diff --git a/CMake/AbseilDll.cmake b/CMake/AbseilDll.cmake
index cf6a8c9..d67c439 100644
--- a/CMake/AbseilDll.cmake
+++ b/CMake/AbseilDll.cmake
@@ -250,6 +250,7 @@
   "synchronization/notification.h"
   "synchronization/internal/create_thread_identity.cc"
   "synchronization/internal/create_thread_identity.h"
+  "synchronization/internal/futex.h"
   "synchronization/internal/graphcycles.cc"
   "synchronization/internal/graphcycles.h"
   "synchronization/internal/kernel_timeout.h"
diff --git a/absl/algorithm/container.h b/absl/algorithm/container.h
index bb3d1c7..09b91f7 100644
--- a/absl/algorithm/container.h
+++ b/absl/algorithm/container.h
@@ -93,7 +93,7 @@
 //   std::foo(begin(c), end(c));
 // becomes
 //   std::foo(container_algorithm_internal::begin(c),
-//     container_algorithm_internal::end(c));
+//            container_algorithm_internal::end(c));
 // These are meant for internal use only.
 
 template <typename C>
diff --git a/absl/base/internal/unscaledcycleclock.cc b/absl/base/internal/unscaledcycleclock.cc
index f1e7bbe..1545288 100644
--- a/absl/base/internal/unscaledcycleclock.cc
+++ b/absl/base/internal/unscaledcycleclock.cc
@@ -123,9 +123,7 @@
 
 #pragma intrinsic(__rdtsc)
 
-int64_t UnscaledCycleClock::Now() {
-  return __rdtsc();
-}
+int64_t UnscaledCycleClock::Now() { return __rdtsc(); }
 
 double UnscaledCycleClock::Frequency() {
   return base_internal::NominalCPUFrequency();
diff --git a/absl/container/internal/layout_test.cc b/absl/container/internal/layout_test.cc
index 757272f..1d7158f 100644
--- a/absl/container/internal/layout_test.cc
+++ b/absl/container/internal/layout_test.cc
@@ -128,8 +128,10 @@
   {
     using L = Layout<int32_t, int32_t>;
     SameType<std::tuple<int32_t, int32_t>, L::ElementTypes>();
-    SameType<std::tuple<int32_t, int32_t>, decltype(L::Partial())::ElementTypes>();
-    SameType<std::tuple<int32_t, int32_t>, decltype(L::Partial(0))::ElementTypes>();
+    SameType<std::tuple<int32_t, int32_t>,
+             decltype(L::Partial())::ElementTypes>();
+    SameType<std::tuple<int32_t, int32_t>,
+             decltype(L::Partial(0))::ElementTypes>();
   }
   {
     using L = Layout<int8_t, int32_t, Int128>;
@@ -368,18 +370,21 @@
   {
     using L = Layout<int32_t>;
     EXPECT_EQ(0, Distance(p, Type<const int32_t*>(L::Partial().Pointer<0>(p))));
-    EXPECT_EQ(0, Distance(p, Type<const int32_t*>(L::Partial(3).Pointer<0>(p))));
+    EXPECT_EQ(0,
+              Distance(p, Type<const int32_t*>(L::Partial(3).Pointer<0>(p))));
     EXPECT_EQ(0, Distance(p, Type<const int32_t*>(L(3).Pointer<0>(p))));
   }
   {
     using L = Layout<int32_t, int32_t>;
     EXPECT_EQ(0, Distance(p, Type<const int32_t*>(L::Partial().Pointer<0>(p))));
-    EXPECT_EQ(0, Distance(p, Type<const int32_t*>(L::Partial(3).Pointer<0>(p))));
-    EXPECT_EQ(12, Distance(p, Type<const int32_t*>(L::Partial(3).Pointer<1>(p))));
     EXPECT_EQ(0,
-              Distance(p, Type<const int32_t*>(L::Partial(3, 5).Pointer<0>(p))));
+              Distance(p, Type<const int32_t*>(L::Partial(3).Pointer<0>(p))));
     EXPECT_EQ(12,
-              Distance(p, Type<const int32_t*>(L::Partial(3, 5).Pointer<1>(p))));
+              Distance(p, Type<const int32_t*>(L::Partial(3).Pointer<1>(p))));
+    EXPECT_EQ(
+        0, Distance(p, Type<const int32_t*>(L::Partial(3, 5).Pointer<0>(p))));
+    EXPECT_EQ(
+        12, Distance(p, Type<const int32_t*>(L::Partial(3, 5).Pointer<1>(p))));
     EXPECT_EQ(0, Distance(p, Type<const int32_t*>(L(3, 5).Pointer<0>(p))));
     EXPECT_EQ(12, Distance(p, Type<const int32_t*>(L(3, 5).Pointer<1>(p))));
   }
@@ -387,39 +392,44 @@
     using L = Layout<int8_t, int32_t, Int128>;
     EXPECT_EQ(0, Distance(p, Type<const int8_t*>(L::Partial().Pointer<0>(p))));
     EXPECT_EQ(0, Distance(p, Type<const int8_t*>(L::Partial(0).Pointer<0>(p))));
-    EXPECT_EQ(0, Distance(p, Type<const int32_t*>(L::Partial(0).Pointer<1>(p))));
+    EXPECT_EQ(0,
+              Distance(p, Type<const int32_t*>(L::Partial(0).Pointer<1>(p))));
     EXPECT_EQ(0, Distance(p, Type<const int8_t*>(L::Partial(1).Pointer<0>(p))));
-    EXPECT_EQ(4, Distance(p, Type<const int32_t*>(L::Partial(1).Pointer<1>(p))));
+    EXPECT_EQ(4,
+              Distance(p, Type<const int32_t*>(L::Partial(1).Pointer<1>(p))));
     EXPECT_EQ(0, Distance(p, Type<const int8_t*>(L::Partial(5).Pointer<0>(p))));
-    EXPECT_EQ(8, Distance(p, Type<const int32_t*>(L::Partial(5).Pointer<1>(p))));
+    EXPECT_EQ(8,
+              Distance(p, Type<const int32_t*>(L::Partial(5).Pointer<1>(p))));
     EXPECT_EQ(0,
               Distance(p, Type<const int8_t*>(L::Partial(0, 0).Pointer<0>(p))));
-    EXPECT_EQ(0,
-              Distance(p, Type<const int32_t*>(L::Partial(0, 0).Pointer<1>(p))));
+    EXPECT_EQ(
+        0, Distance(p, Type<const int32_t*>(L::Partial(0, 0).Pointer<1>(p))));
     EXPECT_EQ(0,
               Distance(p, Type<const Int128*>(L::Partial(0, 0).Pointer<2>(p))));
     EXPECT_EQ(0,
               Distance(p, Type<const int8_t*>(L::Partial(1, 0).Pointer<0>(p))));
-    EXPECT_EQ(4,
-              Distance(p, Type<const int32_t*>(L::Partial(1, 0).Pointer<1>(p))));
+    EXPECT_EQ(
+        4, Distance(p, Type<const int32_t*>(L::Partial(1, 0).Pointer<1>(p))));
     EXPECT_EQ(8,
               Distance(p, Type<const Int128*>(L::Partial(1, 0).Pointer<2>(p))));
     EXPECT_EQ(0,
               Distance(p, Type<const int8_t*>(L::Partial(5, 3).Pointer<0>(p))));
-    EXPECT_EQ(8,
-              Distance(p, Type<const int32_t*>(L::Partial(5, 3).Pointer<1>(p))));
+    EXPECT_EQ(
+        8, Distance(p, Type<const int32_t*>(L::Partial(5, 3).Pointer<1>(p))));
     EXPECT_EQ(24,
               Distance(p, Type<const Int128*>(L::Partial(5, 3).Pointer<2>(p))));
     EXPECT_EQ(
         0, Distance(p, Type<const int8_t*>(L::Partial(0, 0, 0).Pointer<0>(p))));
     EXPECT_EQ(
-        0, Distance(p, Type<const int32_t*>(L::Partial(0, 0, 0).Pointer<1>(p))));
+        0,
+        Distance(p, Type<const int32_t*>(L::Partial(0, 0, 0).Pointer<1>(p))));
     EXPECT_EQ(
         0, Distance(p, Type<const Int128*>(L::Partial(0, 0, 0).Pointer<2>(p))));
     EXPECT_EQ(
         0, Distance(p, Type<const int8_t*>(L::Partial(1, 0, 0).Pointer<0>(p))));
     EXPECT_EQ(
-        4, Distance(p, Type<const int32_t*>(L::Partial(1, 0, 0).Pointer<1>(p))));
+        4,
+        Distance(p, Type<const int32_t*>(L::Partial(1, 0, 0).Pointer<1>(p))));
     EXPECT_EQ(
         8, Distance(p, Type<const Int128*>(L::Partial(1, 0, 0).Pointer<2>(p))));
     EXPECT_EQ(
@@ -428,7 +438,8 @@
         24,
         Distance(p, Type<const Int128*>(L::Partial(5, 3, 1).Pointer<2>(p))));
     EXPECT_EQ(
-        8, Distance(p, Type<const int32_t*>(L::Partial(5, 3, 1).Pointer<1>(p))));
+        8,
+        Distance(p, Type<const int32_t*>(L::Partial(5, 3, 1).Pointer<1>(p))));
     EXPECT_EQ(0, Distance(p, Type<const int8_t*>(L(5, 3, 1).Pointer<0>(p))));
     EXPECT_EQ(24, Distance(p, Type<const Int128*>(L(5, 3, 1).Pointer<2>(p))));
     EXPECT_EQ(8, Distance(p, Type<const int32_t*>(L(5, 3, 1).Pointer<1>(p))));
@@ -439,75 +450,78 @@
   alignas(max_align_t) const unsigned char p[100] = {};
   {
     using L = Layout<int32_t>;
-    EXPECT_EQ(0,
-              Distance(p, Type<const int32_t*>(L::Partial().Pointer<int32_t>(p))));
-    EXPECT_EQ(0,
-              Distance(p, Type<const int32_t*>(L::Partial(3).Pointer<int32_t>(p))));
+    EXPECT_EQ(
+        0, Distance(p, Type<const int32_t*>(L::Partial().Pointer<int32_t>(p))));
+    EXPECT_EQ(
+        0,
+        Distance(p, Type<const int32_t*>(L::Partial(3).Pointer<int32_t>(p))));
     EXPECT_EQ(0, Distance(p, Type<const int32_t*>(L(3).Pointer<int32_t>(p))));
   }
   {
     using L = Layout<int8_t, int32_t, Int128>;
-    EXPECT_EQ(0, Distance(p, Type<const int8_t*>(L::Partial().Pointer<int8_t>(p))));
-    EXPECT_EQ(0,
-              Distance(p, Type<const int8_t*>(L::Partial(0).Pointer<int8_t>(p))));
-    EXPECT_EQ(0,
-              Distance(p, Type<const int32_t*>(L::Partial(0).Pointer<int32_t>(p))));
-    EXPECT_EQ(0,
-              Distance(p, Type<const int8_t*>(L::Partial(1).Pointer<int8_t>(p))));
-    EXPECT_EQ(4,
-              Distance(p, Type<const int32_t*>(L::Partial(1).Pointer<int32_t>(p))));
-    EXPECT_EQ(0,
-              Distance(p, Type<const int8_t*>(L::Partial(5).Pointer<int8_t>(p))));
-    EXPECT_EQ(8,
-              Distance(p, Type<const int32_t*>(L::Partial(5).Pointer<int32_t>(p))));
     EXPECT_EQ(
-        0, Distance(p, Type<const int8_t*>(L::Partial(0, 0).Pointer<int8_t>(p))));
+        0, Distance(p, Type<const int8_t*>(L::Partial().Pointer<int8_t>(p))));
     EXPECT_EQ(
-        0, Distance(p, Type<const int32_t*>(L::Partial(0, 0).Pointer<int32_t>(p))));
+        0, Distance(p, Type<const int8_t*>(L::Partial(0).Pointer<int8_t>(p))));
+    EXPECT_EQ(
+        0,
+        Distance(p, Type<const int32_t*>(L::Partial(0).Pointer<int32_t>(p))));
+    EXPECT_EQ(
+        0, Distance(p, Type<const int8_t*>(L::Partial(1).Pointer<int8_t>(p))));
+    EXPECT_EQ(
+        4,
+        Distance(p, Type<const int32_t*>(L::Partial(1).Pointer<int32_t>(p))));
+    EXPECT_EQ(
+        0, Distance(p, Type<const int8_t*>(L::Partial(5).Pointer<int8_t>(p))));
+    EXPECT_EQ(
+        8,
+        Distance(p, Type<const int32_t*>(L::Partial(5).Pointer<int32_t>(p))));
+    EXPECT_EQ(
+        0,
+        Distance(p, Type<const int8_t*>(L::Partial(0, 0).Pointer<int8_t>(p))));
+    EXPECT_EQ(0, Distance(p, Type<const int32_t*>(
+                                 L::Partial(0, 0).Pointer<int32_t>(p))));
     EXPECT_EQ(
         0,
         Distance(p, Type<const Int128*>(L::Partial(0, 0).Pointer<Int128>(p))));
     EXPECT_EQ(
-        0, Distance(p, Type<const int8_t*>(L::Partial(1, 0).Pointer<int8_t>(p))));
-    EXPECT_EQ(
-        4, Distance(p, Type<const int32_t*>(L::Partial(1, 0).Pointer<int32_t>(p))));
+        0,
+        Distance(p, Type<const int8_t*>(L::Partial(1, 0).Pointer<int8_t>(p))));
+    EXPECT_EQ(4, Distance(p, Type<const int32_t*>(
+                                 L::Partial(1, 0).Pointer<int32_t>(p))));
     EXPECT_EQ(
         8,
         Distance(p, Type<const Int128*>(L::Partial(1, 0).Pointer<Int128>(p))));
     EXPECT_EQ(
-        0, Distance(p, Type<const int8_t*>(L::Partial(5, 3).Pointer<int8_t>(p))));
-    EXPECT_EQ(
-        8, Distance(p, Type<const int32_t*>(L::Partial(5, 3).Pointer<int32_t>(p))));
+        0,
+        Distance(p, Type<const int8_t*>(L::Partial(5, 3).Pointer<int8_t>(p))));
+    EXPECT_EQ(8, Distance(p, Type<const int32_t*>(
+                                 L::Partial(5, 3).Pointer<int32_t>(p))));
     EXPECT_EQ(
         24,
         Distance(p, Type<const Int128*>(L::Partial(5, 3).Pointer<Int128>(p))));
-    EXPECT_EQ(
-        0,
-        Distance(p, Type<const int8_t*>(L::Partial(0, 0, 0).Pointer<int8_t>(p))));
-    EXPECT_EQ(
-        0,
-        Distance(p, Type<const int32_t*>(L::Partial(0, 0, 0).Pointer<int32_t>(p))));
+    EXPECT_EQ(0, Distance(p, Type<const int8_t*>(
+                                 L::Partial(0, 0, 0).Pointer<int8_t>(p))));
+    EXPECT_EQ(0, Distance(p, Type<const int32_t*>(
+                                 L::Partial(0, 0, 0).Pointer<int32_t>(p))));
     EXPECT_EQ(0, Distance(p, Type<const Int128*>(
                                  L::Partial(0, 0, 0).Pointer<Int128>(p))));
-    EXPECT_EQ(
-        0,
-        Distance(p, Type<const int8_t*>(L::Partial(1, 0, 0).Pointer<int8_t>(p))));
-    EXPECT_EQ(
-        4,
-        Distance(p, Type<const int32_t*>(L::Partial(1, 0, 0).Pointer<int32_t>(p))));
+    EXPECT_EQ(0, Distance(p, Type<const int8_t*>(
+                                 L::Partial(1, 0, 0).Pointer<int8_t>(p))));
+    EXPECT_EQ(4, Distance(p, Type<const int32_t*>(
+                                 L::Partial(1, 0, 0).Pointer<int32_t>(p))));
     EXPECT_EQ(8, Distance(p, Type<const Int128*>(
                                  L::Partial(1, 0, 0).Pointer<Int128>(p))));
-    EXPECT_EQ(
-        0,
-        Distance(p, Type<const int8_t*>(L::Partial(5, 3, 1).Pointer<int8_t>(p))));
+    EXPECT_EQ(0, Distance(p, Type<const int8_t*>(
+                                 L::Partial(5, 3, 1).Pointer<int8_t>(p))));
     EXPECT_EQ(24, Distance(p, Type<const Int128*>(
                                   L::Partial(5, 3, 1).Pointer<Int128>(p))));
-    EXPECT_EQ(
-        8,
-        Distance(p, Type<const int32_t*>(L::Partial(5, 3, 1).Pointer<int32_t>(p))));
+    EXPECT_EQ(8, Distance(p, Type<const int32_t*>(
+                                 L::Partial(5, 3, 1).Pointer<int32_t>(p))));
     EXPECT_EQ(24,
               Distance(p, Type<const Int128*>(L(5, 3, 1).Pointer<Int128>(p))));
-    EXPECT_EQ(8, Distance(p, Type<const int32_t*>(L(5, 3, 1).Pointer<int32_t>(p))));
+    EXPECT_EQ(
+        8, Distance(p, Type<const int32_t*>(L(5, 3, 1).Pointer<int32_t>(p))));
   }
 }
 
@@ -548,15 +562,18 @@
     EXPECT_EQ(8, Distance(p, Type<int32_t*>(L::Partial(5, 3).Pointer<1>(p))));
     EXPECT_EQ(24, Distance(p, Type<Int128*>(L::Partial(5, 3).Pointer<2>(p))));
     EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial(0, 0, 0).Pointer<0>(p))));
-    EXPECT_EQ(0, Distance(p, Type<int32_t*>(L::Partial(0, 0, 0).Pointer<1>(p))));
+    EXPECT_EQ(0,
+              Distance(p, Type<int32_t*>(L::Partial(0, 0, 0).Pointer<1>(p))));
     EXPECT_EQ(0, Distance(p, Type<Int128*>(L::Partial(0, 0, 0).Pointer<2>(p))));
     EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial(1, 0, 0).Pointer<0>(p))));
-    EXPECT_EQ(4, Distance(p, Type<int32_t*>(L::Partial(1, 0, 0).Pointer<1>(p))));
+    EXPECT_EQ(4,
+              Distance(p, Type<int32_t*>(L::Partial(1, 0, 0).Pointer<1>(p))));
     EXPECT_EQ(8, Distance(p, Type<Int128*>(L::Partial(1, 0, 0).Pointer<2>(p))));
     EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial(5, 3, 1).Pointer<0>(p))));
     EXPECT_EQ(24,
               Distance(p, Type<Int128*>(L::Partial(5, 3, 1).Pointer<2>(p))));
-    EXPECT_EQ(8, Distance(p, Type<int32_t*>(L::Partial(5, 3, 1).Pointer<1>(p))));
+    EXPECT_EQ(8,
+              Distance(p, Type<int32_t*>(L::Partial(5, 3, 1).Pointer<1>(p))));
     EXPECT_EQ(0, Distance(p, Type<int8_t*>(L(5, 3, 1).Pointer<0>(p))));
     EXPECT_EQ(24, Distance(p, Type<Int128*>(L(5, 3, 1).Pointer<2>(p))));
     EXPECT_EQ(8, Distance(p, Type<int32_t*>(L(5, 3, 1).Pointer<1>(p))));
@@ -568,48 +585,61 @@
   {
     using L = Layout<int32_t>;
     EXPECT_EQ(0, Distance(p, Type<int32_t*>(L::Partial().Pointer<int32_t>(p))));
-    EXPECT_EQ(0, Distance(p, Type<int32_t*>(L::Partial(3).Pointer<int32_t>(p))));
+    EXPECT_EQ(0,
+              Distance(p, Type<int32_t*>(L::Partial(3).Pointer<int32_t>(p))));
     EXPECT_EQ(0, Distance(p, Type<int32_t*>(L(3).Pointer<int32_t>(p))));
   }
   {
     using L = Layout<int8_t, int32_t, Int128>;
     EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial().Pointer<int8_t>(p))));
     EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial(0).Pointer<int8_t>(p))));
-    EXPECT_EQ(0, Distance(p, Type<int32_t*>(L::Partial(0).Pointer<int32_t>(p))));
+    EXPECT_EQ(0,
+              Distance(p, Type<int32_t*>(L::Partial(0).Pointer<int32_t>(p))));
     EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial(1).Pointer<int8_t>(p))));
-    EXPECT_EQ(4, Distance(p, Type<int32_t*>(L::Partial(1).Pointer<int32_t>(p))));
+    EXPECT_EQ(4,
+              Distance(p, Type<int32_t*>(L::Partial(1).Pointer<int32_t>(p))));
     EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial(5).Pointer<int8_t>(p))));
-    EXPECT_EQ(8, Distance(p, Type<int32_t*>(L::Partial(5).Pointer<int32_t>(p))));
-    EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial(0, 0).Pointer<int8_t>(p))));
-    EXPECT_EQ(0, Distance(p, Type<int32_t*>(L::Partial(0, 0).Pointer<int32_t>(p))));
+    EXPECT_EQ(8,
+              Distance(p, Type<int32_t*>(L::Partial(5).Pointer<int32_t>(p))));
+    EXPECT_EQ(0,
+              Distance(p, Type<int8_t*>(L::Partial(0, 0).Pointer<int8_t>(p))));
+    EXPECT_EQ(
+        0, Distance(p, Type<int32_t*>(L::Partial(0, 0).Pointer<int32_t>(p))));
     EXPECT_EQ(0,
               Distance(p, Type<Int128*>(L::Partial(0, 0).Pointer<Int128>(p))));
-    EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial(1, 0).Pointer<int8_t>(p))));
-    EXPECT_EQ(4, Distance(p, Type<int32_t*>(L::Partial(1, 0).Pointer<int32_t>(p))));
+    EXPECT_EQ(0,
+              Distance(p, Type<int8_t*>(L::Partial(1, 0).Pointer<int8_t>(p))));
+    EXPECT_EQ(
+        4, Distance(p, Type<int32_t*>(L::Partial(1, 0).Pointer<int32_t>(p))));
     EXPECT_EQ(8,
               Distance(p, Type<Int128*>(L::Partial(1, 0).Pointer<Int128>(p))));
-    EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial(5, 3).Pointer<int8_t>(p))));
-    EXPECT_EQ(8, Distance(p, Type<int32_t*>(L::Partial(5, 3).Pointer<int32_t>(p))));
+    EXPECT_EQ(0,
+              Distance(p, Type<int8_t*>(L::Partial(5, 3).Pointer<int8_t>(p))));
+    EXPECT_EQ(
+        8, Distance(p, Type<int32_t*>(L::Partial(5, 3).Pointer<int32_t>(p))));
     EXPECT_EQ(24,
               Distance(p, Type<Int128*>(L::Partial(5, 3).Pointer<Int128>(p))));
-    EXPECT_EQ(0,
-              Distance(p, Type<int8_t*>(L::Partial(0, 0, 0).Pointer<int8_t>(p))));
-    EXPECT_EQ(0,
-              Distance(p, Type<int32_t*>(L::Partial(0, 0, 0).Pointer<int32_t>(p))));
+    EXPECT_EQ(
+        0, Distance(p, Type<int8_t*>(L::Partial(0, 0, 0).Pointer<int8_t>(p))));
+    EXPECT_EQ(
+        0,
+        Distance(p, Type<int32_t*>(L::Partial(0, 0, 0).Pointer<int32_t>(p))));
     EXPECT_EQ(
         0, Distance(p, Type<Int128*>(L::Partial(0, 0, 0).Pointer<Int128>(p))));
-    EXPECT_EQ(0,
-              Distance(p, Type<int8_t*>(L::Partial(1, 0, 0).Pointer<int8_t>(p))));
-    EXPECT_EQ(4,
-              Distance(p, Type<int32_t*>(L::Partial(1, 0, 0).Pointer<int32_t>(p))));
+    EXPECT_EQ(
+        0, Distance(p, Type<int8_t*>(L::Partial(1, 0, 0).Pointer<int8_t>(p))));
+    EXPECT_EQ(
+        4,
+        Distance(p, Type<int32_t*>(L::Partial(1, 0, 0).Pointer<int32_t>(p))));
     EXPECT_EQ(
         8, Distance(p, Type<Int128*>(L::Partial(1, 0, 0).Pointer<Int128>(p))));
-    EXPECT_EQ(0,
-              Distance(p, Type<int8_t*>(L::Partial(5, 3, 1).Pointer<int8_t>(p))));
+    EXPECT_EQ(
+        0, Distance(p, Type<int8_t*>(L::Partial(5, 3, 1).Pointer<int8_t>(p))));
     EXPECT_EQ(
         24, Distance(p, Type<Int128*>(L::Partial(5, 3, 1).Pointer<Int128>(p))));
-    EXPECT_EQ(8,
-              Distance(p, Type<int32_t*>(L::Partial(5, 3, 1).Pointer<int32_t>(p))));
+    EXPECT_EQ(
+        8,
+        Distance(p, Type<int32_t*>(L::Partial(5, 3, 1).Pointer<int32_t>(p))));
     EXPECT_EQ(0, Distance(p, Type<int8_t*>(L(5, 3, 1).Pointer<int8_t>(p))));
     EXPECT_EQ(24, Distance(p, Type<Int128*>(L(5, 3, 1).Pointer<Int128>(p))));
     EXPECT_EQ(8, Distance(p, Type<int32_t*>(L(5, 3, 1).Pointer<int32_t>(p))));
@@ -790,67 +820,72 @@
   {
     using L = Layout<int32_t>;
     EXPECT_EQ(
-        0,
-        Distance(p, Type<Span<const int32_t>>(L::Partial(0).Slice<0>(p)).data()));
+        0, Distance(
+               p, Type<Span<const int32_t>>(L::Partial(0).Slice<0>(p)).data()));
     EXPECT_EQ(
-        0,
-        Distance(p, Type<Span<const int32_t>>(L::Partial(3).Slice<0>(p)).data()));
-    EXPECT_EQ(0, Distance(p, Type<Span<const int32_t>>(L(3).Slice<0>(p)).data()));
+        0, Distance(
+               p, Type<Span<const int32_t>>(L::Partial(3).Slice<0>(p)).data()));
+    EXPECT_EQ(0,
+              Distance(p, Type<Span<const int32_t>>(L(3).Slice<0>(p)).data()));
   }
   {
     using L = Layout<int32_t, int32_t>;
     EXPECT_EQ(
-        0,
-        Distance(p, Type<Span<const int32_t>>(L::Partial(3).Slice<0>(p)).data()));
+        0, Distance(
+               p, Type<Span<const int32_t>>(L::Partial(3).Slice<0>(p)).data()));
     EXPECT_EQ(
         0,
-        Distance(p,
-                 Type<Span<const int32_t>>(L::Partial(3, 5).Slice<0>(p)).data()));
+        Distance(
+            p, Type<Span<const int32_t>>(L::Partial(3, 5).Slice<0>(p)).data()));
     EXPECT_EQ(
         12,
-        Distance(p,
-                 Type<Span<const int32_t>>(L::Partial(3, 5).Slice<1>(p)).data()));
-    EXPECT_EQ(0,
-              Distance(p, Type<Span<const int32_t>>(L(3, 5).Slice<0>(p)).data()));
-    EXPECT_EQ(12,
-              Distance(p, Type<Span<const int32_t>>(L(3, 5).Slice<1>(p)).data()));
+        Distance(
+            p, Type<Span<const int32_t>>(L::Partial(3, 5).Slice<1>(p)).data()));
+    EXPECT_EQ(
+        0, Distance(p, Type<Span<const int32_t>>(L(3, 5).Slice<0>(p)).data()));
+    EXPECT_EQ(
+        12, Distance(p, Type<Span<const int32_t>>(L(3, 5).Slice<1>(p)).data()));
   }
   {
     using L = Layout<int8_t, int32_t, Int128>;
     EXPECT_EQ(
-        0,
-        Distance(p, Type<Span<const int8_t>>(L::Partial(0).Slice<0>(p)).data()));
-    EXPECT_EQ(
-        0,
-        Distance(p, Type<Span<const int8_t>>(L::Partial(1).Slice<0>(p)).data()));
-    EXPECT_EQ(
-        0,
-        Distance(p, Type<Span<const int8_t>>(L::Partial(5).Slice<0>(p)).data()));
+        0, Distance(
+               p, Type<Span<const int8_t>>(L::Partial(0).Slice<0>(p)).data()));
     EXPECT_EQ(
         0, Distance(
-               p, Type<Span<const int8_t>>(L::Partial(0, 0).Slice<0>(p)).data()));
-    EXPECT_EQ(
-        0,
-        Distance(p,
-                 Type<Span<const int32_t>>(L::Partial(0, 0).Slice<1>(p)).data()));
+               p, Type<Span<const int8_t>>(L::Partial(1).Slice<0>(p)).data()));
     EXPECT_EQ(
         0, Distance(
-               p, Type<Span<const int8_t>>(L::Partial(1, 0).Slice<0>(p)).data()));
-    EXPECT_EQ(
-        4,
-        Distance(p,
-                 Type<Span<const int32_t>>(L::Partial(1, 0).Slice<1>(p)).data()));
-    EXPECT_EQ(
-        0, Distance(
-               p, Type<Span<const int8_t>>(L::Partial(5, 3).Slice<0>(p)).data()));
-    EXPECT_EQ(
-        8,
-        Distance(p,
-                 Type<Span<const int32_t>>(L::Partial(5, 3).Slice<1>(p)).data()));
+               p, Type<Span<const int8_t>>(L::Partial(5).Slice<0>(p)).data()));
     EXPECT_EQ(
         0,
         Distance(
-            p, Type<Span<const int8_t>>(L::Partial(0, 0, 0).Slice<0>(p)).data()));
+            p, Type<Span<const int8_t>>(L::Partial(0, 0).Slice<0>(p)).data()));
+    EXPECT_EQ(
+        0,
+        Distance(
+            p, Type<Span<const int32_t>>(L::Partial(0, 0).Slice<1>(p)).data()));
+    EXPECT_EQ(
+        0,
+        Distance(
+            p, Type<Span<const int8_t>>(L::Partial(1, 0).Slice<0>(p)).data()));
+    EXPECT_EQ(
+        4,
+        Distance(
+            p, Type<Span<const int32_t>>(L::Partial(1, 0).Slice<1>(p)).data()));
+    EXPECT_EQ(
+        0,
+        Distance(
+            p, Type<Span<const int8_t>>(L::Partial(5, 3).Slice<0>(p)).data()));
+    EXPECT_EQ(
+        8,
+        Distance(
+            p, Type<Span<const int32_t>>(L::Partial(5, 3).Slice<1>(p)).data()));
+    EXPECT_EQ(
+        0,
+        Distance(
+            p,
+            Type<Span<const int8_t>>(L::Partial(0, 0, 0).Slice<0>(p)).data()));
     EXPECT_EQ(
         0,
         Distance(
@@ -864,7 +899,8 @@
     EXPECT_EQ(
         0,
         Distance(
-            p, Type<Span<const int8_t>>(L::Partial(1, 0, 0).Slice<0>(p)).data()));
+            p,
+            Type<Span<const int8_t>>(L::Partial(1, 0, 0).Slice<0>(p)).data()));
     EXPECT_EQ(
         4,
         Distance(
@@ -878,7 +914,8 @@
     EXPECT_EQ(
         0,
         Distance(
-            p, Type<Span<const int8_t>>(L::Partial(5, 3, 1).Slice<0>(p)).data()));
+            p,
+            Type<Span<const int8_t>>(L::Partial(5, 3, 1).Slice<0>(p)).data()));
     EXPECT_EQ(
         24,
         Distance(
@@ -890,12 +927,14 @@
             p,
             Type<Span<const int32_t>>(L::Partial(5, 3, 1).Slice<1>(p)).data()));
     EXPECT_EQ(
-        0, Distance(p, Type<Span<const int8_t>>(L(5, 3, 1).Slice<0>(p)).data()));
+        0,
+        Distance(p, Type<Span<const int8_t>>(L(5, 3, 1).Slice<0>(p)).data()));
     EXPECT_EQ(
         24,
         Distance(p, Type<Span<const Int128>>(L(5, 3, 1).Slice<2>(p)).data()));
     EXPECT_EQ(
-        8, Distance(p, Type<Span<const int32_t>>(L(5, 3, 1).Slice<1>(p)).data()));
+        8,
+        Distance(p, Type<Span<const int32_t>>(L(5, 3, 1).Slice<1>(p)).data()));
   }
 }
 
@@ -906,98 +945,94 @@
     EXPECT_EQ(
         0,
         Distance(
-            p, Type<Span<const int32_t>>(L::Partial(0).Slice<int32_t>(p)).data()));
+            p,
+            Type<Span<const int32_t>>(L::Partial(0).Slice<int32_t>(p)).data()));
     EXPECT_EQ(
         0,
         Distance(
-            p, Type<Span<const int32_t>>(L::Partial(3).Slice<int32_t>(p)).data()));
+            p,
+            Type<Span<const int32_t>>(L::Partial(3).Slice<int32_t>(p)).data()));
     EXPECT_EQ(
-        0, Distance(p, Type<Span<const int32_t>>(L(3).Slice<int32_t>(p)).data()));
+        0,
+        Distance(p, Type<Span<const int32_t>>(L(3).Slice<int32_t>(p)).data()));
   }
   {
     using L = Layout<int8_t, int32_t, Int128>;
     EXPECT_EQ(
-        0, Distance(
-               p, Type<Span<const int8_t>>(L::Partial(0).Slice<int8_t>(p)).data()));
-    EXPECT_EQ(
-        0, Distance(
-               p, Type<Span<const int8_t>>(L::Partial(1).Slice<int8_t>(p)).data()));
-    EXPECT_EQ(
-        0, Distance(
-               p, Type<Span<const int8_t>>(L::Partial(5).Slice<int8_t>(p)).data()));
-    EXPECT_EQ(
         0,
         Distance(
-            p, Type<Span<const int8_t>>(L::Partial(0, 0).Slice<int8_t>(p)).data()));
+            p,
+            Type<Span<const int8_t>>(L::Partial(0).Slice<int8_t>(p)).data()));
     EXPECT_EQ(
         0,
         Distance(
             p,
-            Type<Span<const int32_t>>(L::Partial(0, 0).Slice<int32_t>(p)).data()));
-    EXPECT_EQ(
-        0,
-        Distance(
-            p, Type<Span<const int8_t>>(L::Partial(1, 0).Slice<int8_t>(p)).data()));
-    EXPECT_EQ(
-        4,
-        Distance(
-            p,
-            Type<Span<const int32_t>>(L::Partial(1, 0).Slice<int32_t>(p)).data()));
-    EXPECT_EQ(
-        0,
-        Distance(
-            p, Type<Span<const int8_t>>(L::Partial(5, 3).Slice<int8_t>(p)).data()));
-    EXPECT_EQ(
-        8,
-        Distance(
-            p,
-            Type<Span<const int32_t>>(L::Partial(5, 3).Slice<int32_t>(p)).data()));
+            Type<Span<const int8_t>>(L::Partial(1).Slice<int8_t>(p)).data()));
     EXPECT_EQ(
         0,
         Distance(
             p,
-            Type<Span<const int8_t>>(L::Partial(0, 0, 0).Slice<int8_t>(p)).data()));
+            Type<Span<const int8_t>>(L::Partial(5).Slice<int8_t>(p)).data()));
     EXPECT_EQ(
         0,
-        Distance(p, Type<Span<const int32_t>>(L::Partial(0, 0, 0).Slice<int32_t>(p))
+        Distance(p, Type<Span<const int8_t>>(L::Partial(0, 0).Slice<int8_t>(p))
                         .data()));
+    EXPECT_EQ(0, Distance(p, Type<Span<const int32_t>>(
+                                 L::Partial(0, 0).Slice<int32_t>(p))
+                                 .data()));
+    EXPECT_EQ(
+        0,
+        Distance(p, Type<Span<const int8_t>>(L::Partial(1, 0).Slice<int8_t>(p))
+                        .data()));
+    EXPECT_EQ(4, Distance(p, Type<Span<const int32_t>>(
+                                 L::Partial(1, 0).Slice<int32_t>(p))
+                                 .data()));
+    EXPECT_EQ(
+        0,
+        Distance(p, Type<Span<const int8_t>>(L::Partial(5, 3).Slice<int8_t>(p))
+                        .data()));
+    EXPECT_EQ(8, Distance(p, Type<Span<const int32_t>>(
+                                 L::Partial(5, 3).Slice<int32_t>(p))
+                                 .data()));
+    EXPECT_EQ(0, Distance(p, Type<Span<const int8_t>>(
+                                 L::Partial(0, 0, 0).Slice<int8_t>(p))
+                                 .data()));
+    EXPECT_EQ(0, Distance(p, Type<Span<const int32_t>>(
+                                 L::Partial(0, 0, 0).Slice<int32_t>(p))
+                                 .data()));
     EXPECT_EQ(0, Distance(p, Type<Span<const Int128>>(
                                  L::Partial(0, 0, 0).Slice<Int128>(p))
                                  .data()));
-    EXPECT_EQ(
-        0,
-        Distance(
-            p,
-            Type<Span<const int8_t>>(L::Partial(1, 0, 0).Slice<int8_t>(p)).data()));
-    EXPECT_EQ(
-        4,
-        Distance(p, Type<Span<const int32_t>>(L::Partial(1, 0, 0).Slice<int32_t>(p))
-                        .data()));
+    EXPECT_EQ(0, Distance(p, Type<Span<const int8_t>>(
+                                 L::Partial(1, 0, 0).Slice<int8_t>(p))
+                                 .data()));
+    EXPECT_EQ(4, Distance(p, Type<Span<const int32_t>>(
+                                 L::Partial(1, 0, 0).Slice<int32_t>(p))
+                                 .data()));
     EXPECT_EQ(8, Distance(p, Type<Span<const Int128>>(
                                  L::Partial(1, 0, 0).Slice<Int128>(p))
                                  .data()));
-    EXPECT_EQ(
-        0,
-        Distance(
-            p,
-            Type<Span<const int8_t>>(L::Partial(5, 3, 1).Slice<int8_t>(p)).data()));
+    EXPECT_EQ(0, Distance(p, Type<Span<const int8_t>>(
+                                 L::Partial(5, 3, 1).Slice<int8_t>(p))
+                                 .data()));
     EXPECT_EQ(24, Distance(p, Type<Span<const Int128>>(
                                   L::Partial(5, 3, 1).Slice<Int128>(p))
                                   .data()));
-    EXPECT_EQ(
-        8,
-        Distance(p, Type<Span<const int32_t>>(L::Partial(5, 3, 1).Slice<int32_t>(p))
-                        .data()));
+    EXPECT_EQ(8, Distance(p, Type<Span<const int32_t>>(
+                                 L::Partial(5, 3, 1).Slice<int32_t>(p))
+                                 .data()));
     EXPECT_EQ(
         0,
-        Distance(p, Type<Span<const int8_t>>(L(5, 3, 1).Slice<int8_t>(p)).data()));
+        Distance(p,
+                 Type<Span<const int8_t>>(L(5, 3, 1).Slice<int8_t>(p)).data()));
     EXPECT_EQ(
         24,
         Distance(p,
                  Type<Span<const Int128>>(L(5, 3, 1).Slice<Int128>(p)).data()));
     EXPECT_EQ(
-        8, Distance(
-               p, Type<Span<const int32_t>>(L(5, 3, 1).Slice<int32_t>(p)).data()));
+        8,
+        Distance(
+            p, Type<Span<const int32_t>>(L(5, 3, 1).Slice<int32_t>(p)).data()));
   }
 }
 
@@ -1005,18 +1040,19 @@
   alignas(max_align_t) unsigned char p[100];
   {
     using L = Layout<int32_t>;
-    EXPECT_EQ(0,
-              Distance(p, Type<Span<int32_t>>(L::Partial(0).Slice<0>(p)).data()));
-    EXPECT_EQ(0,
-              Distance(p, Type<Span<int32_t>>(L::Partial(3).Slice<0>(p)).data()));
+    EXPECT_EQ(
+        0, Distance(p, Type<Span<int32_t>>(L::Partial(0).Slice<0>(p)).data()));
+    EXPECT_EQ(
+        0, Distance(p, Type<Span<int32_t>>(L::Partial(3).Slice<0>(p)).data()));
     EXPECT_EQ(0, Distance(p, Type<Span<int32_t>>(L(3).Slice<0>(p)).data()));
   }
   {
     using L = Layout<int32_t, int32_t>;
-    EXPECT_EQ(0,
-              Distance(p, Type<Span<int32_t>>(L::Partial(3).Slice<0>(p)).data()));
     EXPECT_EQ(
-        0, Distance(p, Type<Span<int32_t>>(L::Partial(3, 5).Slice<0>(p)).data()));
+        0, Distance(p, Type<Span<int32_t>>(L::Partial(3).Slice<0>(p)).data()));
+    EXPECT_EQ(
+        0,
+        Distance(p, Type<Span<int32_t>>(L::Partial(3, 5).Slice<0>(p)).data()));
     EXPECT_EQ(
         12,
         Distance(p, Type<Span<int32_t>>(L::Partial(3, 5).Slice<1>(p)).data()));
@@ -1025,55 +1061,63 @@
   }
   {
     using L = Layout<int8_t, int32_t, Int128>;
-    EXPECT_EQ(0,
-              Distance(p, Type<Span<int8_t>>(L::Partial(0).Slice<0>(p)).data()));
-    EXPECT_EQ(0,
-              Distance(p, Type<Span<int8_t>>(L::Partial(1).Slice<0>(p)).data()));
-    EXPECT_EQ(0,
-              Distance(p, Type<Span<int8_t>>(L::Partial(5).Slice<0>(p)).data()));
     EXPECT_EQ(
-        0, Distance(p, Type<Span<int8_t>>(L::Partial(0, 0).Slice<0>(p)).data()));
+        0, Distance(p, Type<Span<int8_t>>(L::Partial(0).Slice<0>(p)).data()));
     EXPECT_EQ(
-        0, Distance(p, Type<Span<int32_t>>(L::Partial(0, 0).Slice<1>(p)).data()));
+        0, Distance(p, Type<Span<int8_t>>(L::Partial(1).Slice<0>(p)).data()));
     EXPECT_EQ(
-        0, Distance(p, Type<Span<int8_t>>(L::Partial(1, 0).Slice<0>(p)).data()));
-    EXPECT_EQ(
-        4, Distance(p, Type<Span<int32_t>>(L::Partial(1, 0).Slice<1>(p)).data()));
-    EXPECT_EQ(
-        0, Distance(p, Type<Span<int8_t>>(L::Partial(5, 3).Slice<0>(p)).data()));
-    EXPECT_EQ(
-        8, Distance(p, Type<Span<int32_t>>(L::Partial(5, 3).Slice<1>(p)).data()));
+        0, Distance(p, Type<Span<int8_t>>(L::Partial(5).Slice<0>(p)).data()));
     EXPECT_EQ(
         0,
-        Distance(p, Type<Span<int8_t>>(L::Partial(0, 0, 0).Slice<0>(p)).data()));
+        Distance(p, Type<Span<int8_t>>(L::Partial(0, 0).Slice<0>(p)).data()));
     EXPECT_EQ(
         0,
-        Distance(p, Type<Span<int32_t>>(L::Partial(0, 0, 0).Slice<1>(p)).data()));
+        Distance(p, Type<Span<int32_t>>(L::Partial(0, 0).Slice<1>(p)).data()));
+    EXPECT_EQ(
+        0,
+        Distance(p, Type<Span<int8_t>>(L::Partial(1, 0).Slice<0>(p)).data()));
+    EXPECT_EQ(
+        4,
+        Distance(p, Type<Span<int32_t>>(L::Partial(1, 0).Slice<1>(p)).data()));
+    EXPECT_EQ(
+        0,
+        Distance(p, Type<Span<int8_t>>(L::Partial(5, 3).Slice<0>(p)).data()));
+    EXPECT_EQ(
+        8,
+        Distance(p, Type<Span<int32_t>>(L::Partial(5, 3).Slice<1>(p)).data()));
+    EXPECT_EQ(
+        0, Distance(
+               p, Type<Span<int8_t>>(L::Partial(0, 0, 0).Slice<0>(p)).data()));
+    EXPECT_EQ(
+        0, Distance(
+               p, Type<Span<int32_t>>(L::Partial(0, 0, 0).Slice<1>(p)).data()));
     EXPECT_EQ(
         0, Distance(
                p, Type<Span<Int128>>(L::Partial(0, 0, 0).Slice<2>(p)).data()));
     EXPECT_EQ(
-        0,
-        Distance(p, Type<Span<int8_t>>(L::Partial(1, 0, 0).Slice<0>(p)).data()));
+        0, Distance(
+               p, Type<Span<int8_t>>(L::Partial(1, 0, 0).Slice<0>(p)).data()));
     EXPECT_EQ(
-        4,
-        Distance(p, Type<Span<int32_t>>(L::Partial(1, 0, 0).Slice<1>(p)).data()));
+        4, Distance(
+               p, Type<Span<int32_t>>(L::Partial(1, 0, 0).Slice<1>(p)).data()));
     EXPECT_EQ(
         8, Distance(
                p, Type<Span<Int128>>(L::Partial(1, 0, 0).Slice<2>(p)).data()));
     EXPECT_EQ(
-        0,
-        Distance(p, Type<Span<int8_t>>(L::Partial(5, 3, 1).Slice<0>(p)).data()));
+        0, Distance(
+               p, Type<Span<int8_t>>(L::Partial(5, 3, 1).Slice<0>(p)).data()));
     EXPECT_EQ(
         24, Distance(
                 p, Type<Span<Int128>>(L::Partial(5, 3, 1).Slice<2>(p)).data()));
     EXPECT_EQ(
-        8,
-        Distance(p, Type<Span<int32_t>>(L::Partial(5, 3, 1).Slice<1>(p)).data()));
-    EXPECT_EQ(0, Distance(p, Type<Span<int8_t>>(L(5, 3, 1).Slice<0>(p)).data()));
+        8, Distance(
+               p, Type<Span<int32_t>>(L::Partial(5, 3, 1).Slice<1>(p)).data()));
+    EXPECT_EQ(0,
+              Distance(p, Type<Span<int8_t>>(L(5, 3, 1).Slice<0>(p)).data()));
     EXPECT_EQ(24,
               Distance(p, Type<Span<Int128>>(L(5, 3, 1).Slice<2>(p)).data()));
-    EXPECT_EQ(8, Distance(p, Type<Span<int32_t>>(L(5, 3, 1).Slice<1>(p)).data()));
+    EXPECT_EQ(8,
+              Distance(p, Type<Span<int32_t>>(L(5, 3, 1).Slice<1>(p)).data()));
   }
 }
 
@@ -1082,66 +1126,84 @@
   {
     using L = Layout<int32_t>;
     EXPECT_EQ(
-        0,
-        Distance(p, Type<Span<int32_t>>(L::Partial(0).Slice<int32_t>(p)).data()));
+        0, Distance(
+               p, Type<Span<int32_t>>(L::Partial(0).Slice<int32_t>(p)).data()));
     EXPECT_EQ(
-        0,
-        Distance(p, Type<Span<int32_t>>(L::Partial(3).Slice<int32_t>(p)).data()));
-    EXPECT_EQ(0, Distance(p, Type<Span<int32_t>>(L(3).Slice<int32_t>(p)).data()));
+        0, Distance(
+               p, Type<Span<int32_t>>(L::Partial(3).Slice<int32_t>(p)).data()));
+    EXPECT_EQ(0,
+              Distance(p, Type<Span<int32_t>>(L(3).Slice<int32_t>(p)).data()));
   }
   {
     using L = Layout<int8_t, int32_t, Int128>;
     EXPECT_EQ(
-        0, Distance(p, Type<Span<int8_t>>(L::Partial(0).Slice<int8_t>(p)).data()));
-    EXPECT_EQ(
-        0, Distance(p, Type<Span<int8_t>>(L::Partial(1).Slice<int8_t>(p)).data()));
-    EXPECT_EQ(
-        0, Distance(p, Type<Span<int8_t>>(L::Partial(5).Slice<int8_t>(p)).data()));
+        0,
+        Distance(p, Type<Span<int8_t>>(L::Partial(0).Slice<int8_t>(p)).data()));
     EXPECT_EQ(
         0,
-        Distance(p, Type<Span<int8_t>>(L::Partial(0, 0).Slice<int8_t>(p)).data()));
-    EXPECT_EQ(
-        0, Distance(
-               p, Type<Span<int32_t>>(L::Partial(0, 0).Slice<int32_t>(p)).data()));
+        Distance(p, Type<Span<int8_t>>(L::Partial(1).Slice<int8_t>(p)).data()));
     EXPECT_EQ(
         0,
-        Distance(p, Type<Span<int8_t>>(L::Partial(1, 0).Slice<int8_t>(p)).data()));
-    EXPECT_EQ(
-        4, Distance(
-               p, Type<Span<int32_t>>(L::Partial(1, 0).Slice<int32_t>(p)).data()));
+        Distance(p, Type<Span<int8_t>>(L::Partial(5).Slice<int8_t>(p)).data()));
     EXPECT_EQ(
         0,
-        Distance(p, Type<Span<int8_t>>(L::Partial(5, 3).Slice<int8_t>(p)).data()));
-    EXPECT_EQ(
-        8, Distance(
-               p, Type<Span<int32_t>>(L::Partial(5, 3).Slice<int32_t>(p)).data()));
-    EXPECT_EQ(
-        0, Distance(
-               p, Type<Span<int8_t>>(L::Partial(0, 0, 0).Slice<int8_t>(p)).data()));
+        Distance(p,
+                 Type<Span<int8_t>>(L::Partial(0, 0).Slice<int8_t>(p)).data()));
     EXPECT_EQ(
         0,
         Distance(
-            p, Type<Span<int32_t>>(L::Partial(0, 0, 0).Slice<int32_t>(p)).data()));
+            p, Type<Span<int32_t>>(L::Partial(0, 0).Slice<int32_t>(p)).data()));
+    EXPECT_EQ(
+        0,
+        Distance(p,
+                 Type<Span<int8_t>>(L::Partial(1, 0).Slice<int8_t>(p)).data()));
+    EXPECT_EQ(
+        4,
+        Distance(
+            p, Type<Span<int32_t>>(L::Partial(1, 0).Slice<int32_t>(p)).data()));
+    EXPECT_EQ(
+        0,
+        Distance(p,
+                 Type<Span<int8_t>>(L::Partial(5, 3).Slice<int8_t>(p)).data()));
+    EXPECT_EQ(
+        8,
+        Distance(
+            p, Type<Span<int32_t>>(L::Partial(5, 3).Slice<int32_t>(p)).data()));
+    EXPECT_EQ(
+        0,
+        Distance(
+            p,
+            Type<Span<int8_t>>(L::Partial(0, 0, 0).Slice<int8_t>(p)).data()));
+    EXPECT_EQ(
+        0,
+        Distance(
+            p,
+            Type<Span<int32_t>>(L::Partial(0, 0, 0).Slice<int32_t>(p)).data()));
     EXPECT_EQ(
         0,
         Distance(
             p,
             Type<Span<Int128>>(L::Partial(0, 0, 0).Slice<Int128>(p)).data()));
     EXPECT_EQ(
-        0, Distance(
-               p, Type<Span<int8_t>>(L::Partial(1, 0, 0).Slice<int8_t>(p)).data()));
+        0,
+        Distance(
+            p,
+            Type<Span<int8_t>>(L::Partial(1, 0, 0).Slice<int8_t>(p)).data()));
     EXPECT_EQ(
         4,
         Distance(
-            p, Type<Span<int32_t>>(L::Partial(1, 0, 0).Slice<int32_t>(p)).data()));
+            p,
+            Type<Span<int32_t>>(L::Partial(1, 0, 0).Slice<int32_t>(p)).data()));
     EXPECT_EQ(
         8,
         Distance(
             p,
             Type<Span<Int128>>(L::Partial(1, 0, 0).Slice<Int128>(p)).data()));
     EXPECT_EQ(
-        0, Distance(
-               p, Type<Span<int8_t>>(L::Partial(5, 3, 1).Slice<int8_t>(p)).data()));
+        0,
+        Distance(
+            p,
+            Type<Span<int8_t>>(L::Partial(5, 3, 1).Slice<int8_t>(p)).data()));
     EXPECT_EQ(
         24,
         Distance(
@@ -1150,14 +1212,16 @@
     EXPECT_EQ(
         8,
         Distance(
-            p, Type<Span<int32_t>>(L::Partial(5, 3, 1).Slice<int32_t>(p)).data()));
-    EXPECT_EQ(0,
-              Distance(p, Type<Span<int8_t>>(L(5, 3, 1).Slice<int8_t>(p)).data()));
+            p,
+            Type<Span<int32_t>>(L::Partial(5, 3, 1).Slice<int32_t>(p)).data()));
+    EXPECT_EQ(
+        0, Distance(p, Type<Span<int8_t>>(L(5, 3, 1).Slice<int8_t>(p)).data()));
     EXPECT_EQ(
         24,
         Distance(p, Type<Span<Int128>>(L(5, 3, 1).Slice<Int128>(p)).data()));
     EXPECT_EQ(
-        8, Distance(p, Type<Span<int32_t>>(L(5, 3, 1).Slice<int32_t>(p)).data()));
+        8,
+        Distance(p, Type<Span<int32_t>>(L(5, 3, 1).Slice<int32_t>(p)).data()));
   }
 }
 
@@ -1256,17 +1320,17 @@
   }
   {
     const auto x = L::Partial(1, 2, 3);
-    EXPECT_THAT(
-        (Type<std::tuple<Span<int8_t>, Span<int8_t>, Span<Int128>>>(x.Slices(p))),
-        Tuple(IsSameSlice(x.Slice<0>(p)), IsSameSlice(x.Slice<1>(p)),
-              IsSameSlice(x.Slice<2>(p))));
+    EXPECT_THAT((Type<std::tuple<Span<int8_t>, Span<int8_t>, Span<Int128>>>(
+                    x.Slices(p))),
+                Tuple(IsSameSlice(x.Slice<0>(p)), IsSameSlice(x.Slice<1>(p)),
+                      IsSameSlice(x.Slice<2>(p))));
   }
   {
     const L x(1, 2, 3);
-    EXPECT_THAT(
-        (Type<std::tuple<Span<int8_t>, Span<int8_t>, Span<Int128>>>(x.Slices(p))),
-        Tuple(IsSameSlice(x.Slice<0>(p)), IsSameSlice(x.Slice<1>(p)),
-              IsSameSlice(x.Slice<2>(p))));
+    EXPECT_THAT((Type<std::tuple<Span<int8_t>, Span<int8_t>, Span<Int128>>>(
+                    x.Slices(p))),
+                Tuple(IsSameSlice(x.Slice<0>(p)), IsSameSlice(x.Slice<1>(p)),
+                      IsSameSlice(x.Slice<2>(p))));
   }
 }
 
@@ -1398,7 +1462,8 @@
               x.DebugString());
   }
   {
-    constexpr auto x = Layout<int8_t, int32_t, int8_t, Int128>::Partial(1, 2, 3);
+    constexpr auto x =
+        Layout<int8_t, int32_t, int8_t, Int128>::Partial(1, 2, 3);
     EXPECT_EQ(
         "@0<signed char>(1)[1]; @4<int>(4)[2]; @12<signed char>(1)[3]; "
         "@16" +
@@ -1406,7 +1471,8 @@
         x.DebugString());
   }
   {
-    constexpr auto x = Layout<int8_t, int32_t, int8_t, Int128>::Partial(1, 2, 3, 4);
+    constexpr auto x =
+        Layout<int8_t, int32_t, int8_t, Int128>::Partial(1, 2, 3, 4);
     EXPECT_EQ(
         "@0<signed char>(1)[1]; @4<int>(4)[2]; @12<signed char>(1)[3]; "
         "@16" +
diff --git a/absl/container/internal/raw_hash_set_test.cc b/absl/container/internal/raw_hash_set_test.cc
index f5ae83c..6210eb6 100644
--- a/absl/container/internal/raw_hash_set_test.cc
+++ b/absl/container/internal/raw_hash_set_test.cc
@@ -847,7 +847,8 @@
 std::vector<int64_t> CollectBadMergeKeys(size_t N) {
   static constexpr int kGroupSize = Group::kWidth - 1;
 
-  auto topk_range = [](size_t b, size_t e, IntTable* t) -> std::vector<int64_t> {
+  auto topk_range = [](size_t b, size_t e,
+                       IntTable* t) -> std::vector<int64_t> {
     for (size_t i = b; i != e; ++i) {
       t->emplace(i);
     }
@@ -1001,8 +1002,8 @@
 // 1. Create new table and reserve it to keys.size() * 2
 // 2. Insert all keys xored with seed
 // 3. Collect ProbeStats from final table.
-ProbeStats CollectProbeStatsOnKeysXoredWithSeed(const std::vector<int64_t>& keys,
-                                                size_t num_iters) {
+ProbeStats CollectProbeStatsOnKeysXoredWithSeed(
+    const std::vector<int64_t>& keys, size_t num_iters) {
   const size_t reserve_size = keys.size() * 2;
 
   ProbeStats stats;
diff --git a/absl/debugging/internal/symbolize.h b/absl/debugging/internal/symbolize.h
index b3729af..4f26130 100644
--- a/absl/debugging/internal/symbolize.h
+++ b/absl/debugging/internal/symbolize.h
@@ -118,16 +118,14 @@
 //   filename != nullptr
 //
 // Returns true if the file was successfully registered.
-bool RegisterFileMappingHint(
-    const void* start, const void* end, uint64_t offset, const char* filename);
+bool RegisterFileMappingHint(const void* start, const void* end,
+                             uint64_t offset, const char* filename);
 
 // Looks up the file mapping registered by RegisterFileMappingHint for an
 // address range. If there is one, the file name is stored in *filename and
 // *start and *end are modified to reflect the registered mapping. Returns
 // whether any hint was found.
-bool GetFileMappingHint(const void** start,
-                        const void** end,
-                        uint64_t    *  offset,
+bool GetFileMappingHint(const void** start, const void** end, uint64_t* offset,
                         const char** filename);
 
 }  // namespace debugging_internal
diff --git a/absl/flags/BUILD.bazel b/absl/flags/BUILD.bazel
index 9de9e22..2bd9478 100644
--- a/absl/flags/BUILD.bazel
+++ b/absl/flags/BUILD.bazel
@@ -381,6 +381,8 @@
     deps = [
         ":flag",
         ":marshalling",
+        ":parse",
+        ":reflection",
         "//absl/strings",
         "//absl/time",
         "//absl/types:optional",
diff --git a/absl/flags/flag_benchmark.cc b/absl/flags/flag_benchmark.cc
index 7b52c9b..9982b60 100644
--- a/absl/flags/flag_benchmark.cc
+++ b/absl/flags/flag_benchmark.cc
@@ -20,6 +20,8 @@
 
 #include "absl/flags/flag.h"
 #include "absl/flags/marshalling.h"
+#include "absl/flags/parse.h"
+#include "absl/flags/reflection.h"
 #include "absl/strings/string_view.h"
 #include "absl/time/time.h"
 #include "absl/types/optional.h"
@@ -103,6 +105,23 @@
 
 BENCHMARKED_TYPES(FLAG_DEF)
 
+// Register thousands of flags to bloat up the size of the registry.
+// This mimics real life production binaries.
+#define DEFINE_FLAG_0(name) ABSL_FLAG(int, name, 0, "");
+#define DEFINE_FLAG_1(name) DEFINE_FLAG_0(name##0) DEFINE_FLAG_0(name##1)
+#define DEFINE_FLAG_2(name) DEFINE_FLAG_1(name##0) DEFINE_FLAG_1(name##1)
+#define DEFINE_FLAG_3(name) DEFINE_FLAG_2(name##0) DEFINE_FLAG_2(name##1)
+#define DEFINE_FLAG_4(name) DEFINE_FLAG_3(name##0) DEFINE_FLAG_3(name##1)
+#define DEFINE_FLAG_5(name) DEFINE_FLAG_4(name##0) DEFINE_FLAG_4(name##1)
+#define DEFINE_FLAG_6(name) DEFINE_FLAG_5(name##0) DEFINE_FLAG_5(name##1)
+#define DEFINE_FLAG_7(name) DEFINE_FLAG_6(name##0) DEFINE_FLAG_6(name##1)
+#define DEFINE_FLAG_8(name) DEFINE_FLAG_7(name##0) DEFINE_FLAG_7(name##1)
+#define DEFINE_FLAG_9(name) DEFINE_FLAG_8(name##0) DEFINE_FLAG_8(name##1)
+#define DEFINE_FLAG_10(name) DEFINE_FLAG_9(name##0) DEFINE_FLAG_9(name##1)
+#define DEFINE_FLAG_11(name) DEFINE_FLAG_10(name##0) DEFINE_FLAG_10(name##1)
+#define DEFINE_FLAG_12(name) DEFINE_FLAG_11(name##0) DEFINE_FLAG_11(name##1)
+DEFINE_FLAG_12(bloat_flag_);
+
 namespace {
 
 #define BM_GetFlag(T)                                            \
@@ -115,6 +134,20 @@
 
 BENCHMARKED_TYPES(BM_GetFlag)
 
+void BM_ThreadedFindCommandLineFlag(benchmark::State& state) {
+  char dummy[] = "dummy";
+  char* argv[] = {dummy};
+  // We need to ensure that flags have been parsed. That is where the registry
+  // is finalized.
+  absl::ParseCommandLine(1, argv);
+
+  for (auto s : state) {
+    benchmark::DoNotOptimize(
+        absl::FindCommandLineFlag("bloat_flag_010101010101"));
+  }
+}
+BENCHMARK(BM_ThreadedFindCommandLineFlag)->ThreadRange(1, 16);
+
 }  // namespace
 
 #define InvokeGetFlag(T)                                               \
diff --git a/absl/flags/internal/registry.h b/absl/flags/internal/registry.h
index 1df2db7..a8d9eb9 100644
--- a/absl/flags/internal/registry.h
+++ b/absl/flags/internal/registry.h
@@ -30,9 +30,6 @@
 ABSL_NAMESPACE_BEGIN
 namespace flags_internal {
 
-// Executes specified visitor for each non-retired flag in the registry.
-// Requires the caller hold the registry lock.
-void ForEachFlagUnlocked(std::function<void(CommandLineFlag&)> visitor);
 // Executes specified visitor for each non-retired flag in the registry. While
 // callback are executed, the registry is locked and can't be changed.
 void ForEachFlag(std::function<void(CommandLineFlag&)> visitor);
@@ -41,6 +38,8 @@
 
 bool RegisterCommandLineFlag(CommandLineFlag&);
 
+void FinalizeRegistry();
+
 //-----------------------------------------------------------------------------
 // Retired registrations:
 //
diff --git a/absl/flags/parse.cc b/absl/flags/parse.cc
index 4f4bb3d..1835a83 100644
--- a/absl/flags/parse.cc
+++ b/absl/flags/parse.cc
@@ -611,6 +611,11 @@
                                         OnUndefinedFlag on_undef_flag) {
   ABSL_INTERNAL_CHECK(argc > 0, "Missing argv[0]");
 
+  // Once parsing has started we will not have more flag registrations.
+  // If we did, they would be missing during parsing, which is a problem on
+  // itself.
+  flags_internal::FinalizeRegistry();
+
   // This routine does not return anything since we abort on failure.
   CheckDefaultValuesParsingRoundtrip();
 
diff --git a/absl/flags/reflection.cc b/absl/flags/reflection.cc
index d706022..c6bf8aa 100644
--- a/absl/flags/reflection.cc
+++ b/absl/flags/reflection.cc
@@ -17,6 +17,7 @@
 
 #include <assert.h>
 
+#include <atomic>
 #include <map>
 #include <string>
 
@@ -56,21 +57,23 @@
 
   // Returns the flag object for the specified name, or nullptr if not found.
   // Will emit a warning if a 'retired' flag is specified.
-  CommandLineFlag* FindFlagLocked(absl::string_view name);
+  CommandLineFlag* FindFlag(absl::string_view name);
 
   static FlagRegistry& GlobalRegistry();  // returns a singleton registry
 
  private:
   friend class flags_internal::FlagSaverImpl;  // reads all the flags in order
                                                // to copy them
-  friend void ForEachFlagUnlocked(
-      std::function<void(CommandLineFlag&)> visitor);
+  friend void ForEachFlag(std::function<void(CommandLineFlag&)> visitor);
+  friend void FinalizeRegistry();
 
-  // The map from name to flag, for FindFlagLocked().
+  // The map from name to flag, for FindFlag().
   using FlagMap = std::map<absl::string_view, CommandLineFlag*>;
   using FlagIterator = FlagMap::iterator;
   using FlagConstIterator = FlagMap::const_iterator;
   FlagMap flags_;
+  std::vector<CommandLineFlag*> flat_flags_;
+  std::atomic<bool> finalized_flags_{false};
 
   absl::Mutex lock_;
 
@@ -79,15 +82,6 @@
   FlagRegistry& operator=(const FlagRegistry&);
 };
 
-CommandLineFlag* FlagRegistry::FindFlagLocked(absl::string_view name) {
-  FlagConstIterator i = flags_.find(name);
-  if (i == flags_.end()) {
-    return nullptr;
-  }
-
-  return i->second;
-}
-
 namespace {
 
 class FlagRegistryLock {
@@ -101,8 +95,24 @@
 
 }  // namespace
 
+CommandLineFlag* FlagRegistry::FindFlag(absl::string_view name) {
+  if (finalized_flags_.load(std::memory_order_acquire)) {
+    // We could save some gcus here if we make `Name()` be non-virtual.
+    // We could move the `const char*` name to the base class.
+    auto it = std::partition_point(
+        flat_flags_.begin(), flat_flags_.end(),
+        [=](CommandLineFlag* f) { return f->Name() < name; });
+    if (it != flat_flags_.end() && (*it)->Name() == name) return *it;
+  }
+
+  FlagRegistryLock frl(*this);
+  auto it = flags_.find(name);
+  return it != flags_.end() ? it->second : nullptr;
+}
+
 void FlagRegistry::RegisterFlag(CommandLineFlag& flag) {
   FlagRegistryLock registry_lock(*this);
+
   std::pair<FlagIterator, bool> ins =
       flags_.insert(FlagMap::value_type(flag.Name(), &flag));
   if (ins.second == false) {  // means the name was already in the map
@@ -152,18 +162,15 @@
 
 // --------------------------------------------------------------------
 
-void ForEachFlagUnlocked(std::function<void(CommandLineFlag&)> visitor) {
-  FlagRegistry& registry = FlagRegistry::GlobalRegistry();
-  for (FlagRegistry::FlagConstIterator i = registry.flags_.begin();
-       i != registry.flags_.end(); ++i) {
-    visitor(*i->second);
-  }
-}
-
 void ForEachFlag(std::function<void(CommandLineFlag&)> visitor) {
   FlagRegistry& registry = FlagRegistry::GlobalRegistry();
+
+  if (registry.finalized_flags_.load(std::memory_order_acquire)) {
+    for (const auto& i : registry.flat_flags_) visitor(*i);
+  }
+
   FlagRegistryLock frl(registry);
-  ForEachFlagUnlocked(visitor);
+  for (const auto& i : registry.flags_) visitor(*i.second);
 }
 
 // --------------------------------------------------------------------
@@ -173,6 +180,21 @@
   return true;
 }
 
+void FinalizeRegistry() {
+  auto& registry = FlagRegistry::GlobalRegistry();
+  FlagRegistryLock frl(registry);
+  if (registry.finalized_flags_.load(std::memory_order_relaxed)) {
+    // Was already finalized. Ignore the second time.
+    return;
+  }
+  registry.flat_flags_.reserve(registry.flags_.size());
+  for (const auto& f : registry.flags_) {
+    registry.flat_flags_.push_back(f.second);
+  }
+  registry.flags_.clear();
+  registry.finalized_flags_.store(true, std::memory_order_release);
+}
+
 // --------------------------------------------------------------------
 
 namespace {
@@ -298,9 +320,7 @@
   if (name.empty()) return nullptr;
   flags_internal::FlagRegistry& registry =
       flags_internal::FlagRegistry::GlobalRegistry();
-  flags_internal::FlagRegistryLock frl(registry);
-
-  return registry.FindFlagLocked(name);
+  return registry.FindFlag(name);
 }
 
 // --------------------------------------------------------------------
diff --git a/absl/hash/hash_test.cc b/absl/hash/hash_test.cc
index 39ba24a..1d2e6cf 100644
--- a/absl/hash/hash_test.cc
+++ b/absl/hash/hash_test.cc
@@ -82,8 +82,8 @@
 }
 
 REGISTER_TYPED_TEST_CASE_P(HashValueIntTest, BasicUsage, FastPath);
-using IntTypes = testing::Types<unsigned char, char, int, int32_t, int64_t, uint32_t,
-                                uint64_t, size_t>;
+using IntTypes = testing::Types<unsigned char, char, int, int32_t, int64_t,
+                                uint32_t, uint64_t, size_t>;
 INSTANTIATE_TYPED_TEST_CASE_P(My, HashValueIntTest, IntTypes);
 
 enum LegacyEnum { kValue1, kValue2, kValue3 };
@@ -819,8 +819,8 @@
 }
 
 REGISTER_TYPED_TEST_CASE_P(HashIntTest, BasicUsage);
-using IntTypes = testing::Types<unsigned char, char, int, int32_t, int64_t, uint32_t,
-                                uint64_t, size_t>;
+using IntTypes = testing::Types<unsigned char, char, int, int32_t, int64_t,
+                                uint32_t, uint64_t, size_t>;
 INSTANTIATE_TYPED_TEST_CASE_P(My, HashIntTest, IntTypes);
 
 struct StructWithPadding {
diff --git a/absl/hash/internal/city.cc b/absl/hash/internal/city.cc
index e122c18..58d4bcb 100644
--- a/absl/hash/internal/city.cc
+++ b/absl/hash/internal/city.cc
@@ -253,9 +253,8 @@
 
 // Return a 16-byte hash for 48 bytes.  Quick and dirty.
 // Callers do best to use "random-looking" values for a and b.
-static std::pair<uint64_t, uint64_t> WeakHashLen32WithSeeds(uint64_t w, uint64_t x,
-                                                        uint64_t y, uint64_t z,
-                                                        uint64_t a, uint64_t b) {
+static std::pair<uint64_t, uint64_t> WeakHashLen32WithSeeds(
+    uint64_t w, uint64_t x, uint64_t y, uint64_t z, uint64_t a, uint64_t b) {
   a += w;
   b = Rotate(b + a + z, 21);
   uint64_t c = a;
@@ -266,8 +265,9 @@
 }
 
 // Return a 16-byte hash for s[0] ... s[31], a, and b.  Quick and dirty.
-static std::pair<uint64_t, uint64_t> WeakHashLen32WithSeeds(const char *s, uint64_t a,
-                                                        uint64_t b) {
+static std::pair<uint64_t, uint64_t> WeakHashLen32WithSeeds(const char *s,
+                                                            uint64_t a,
+                                                            uint64_t b) {
   return WeakHashLen32WithSeeds(Fetch64(s), Fetch64(s + 8), Fetch64(s + 16),
                                 Fetch64(s + 24), a, b);
 }
@@ -310,8 +310,10 @@
   uint64_t x = Fetch64(s + len - 40);
   uint64_t y = Fetch64(s + len - 16) + Fetch64(s + len - 56);
   uint64_t z = HashLen16(Fetch64(s + len - 48) + len, Fetch64(s + len - 24));
-  std::pair<uint64_t, uint64_t> v = WeakHashLen32WithSeeds(s + len - 64, len, z);
-  std::pair<uint64_t, uint64_t> w = WeakHashLen32WithSeeds(s + len - 32, y + k1, x);
+  std::pair<uint64_t, uint64_t> v =
+      WeakHashLen32WithSeeds(s + len - 64, len, z);
+  std::pair<uint64_t, uint64_t> w =
+      WeakHashLen32WithSeeds(s + len - 32, y + k1, x);
   x = x * k1 + Fetch64(s);
 
   // Decrease len to the nearest multiple of 64, and operate on 64-byte chunks.
@@ -337,7 +339,7 @@
 }
 
 uint64_t CityHash64WithSeeds(const char *s, size_t len, uint64_t seed0,
-                           uint64_t seed1) {
+                             uint64_t seed1) {
   return HashLen16(CityHash64(s, len) - seed0, seed1);
 }
 
diff --git a/absl/hash/internal/city.h b/absl/hash/internal/city.h
index 161c774..9c1e7a5 100644
--- a/absl/hash/internal/city.h
+++ b/absl/hash/internal/city.h
@@ -71,7 +71,7 @@
 // Hash function for a byte array.  For convenience, two seeds are also
 // hashed into the result.
 uint64_t CityHash64WithSeeds(const char *s, size_t len, uint64_t seed0,
-                           uint64_t seed1);
+                             uint64_t seed1);
 
 // Hash function for a byte array.  Most useful in 32-bit binaries.
 uint32_t CityHash32(const char *s, size_t len);
diff --git a/absl/random/internal/generate_real_test.cc b/absl/random/internal/generate_real_test.cc
index aa02f0c..4bdc453 100644
--- a/absl/random/internal/generate_real_test.cc
+++ b/absl/random/internal/generate_real_test.cc
@@ -419,8 +419,8 @@
   };
 
   // Rely on RandU64ToFloat generating values from greatest to least when
-  // supplied with uint64_t values from greatest (0xfff...) to least (0x0).  Thus,
-  // this algorithm stores the previous value, and if the new value is at
+  // supplied with uint64_t values from greatest (0xfff...) to least (0x0).
+  // Thus, this algorithm stores the previous value, and if the new value is at
   // greater than or equal to the previous value, then there is a collision in
   // the generation algorithm.
   //
diff --git a/absl/strings/cord_test.cc b/absl/strings/cord_test.cc
index 4443c82..dbed3e9 100644
--- a/absl/strings/cord_test.cc
+++ b/absl/strings/cord_test.cc
@@ -1,3 +1,17 @@
+// Copyright 2020 The Abseil Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "absl/strings/cord.h"
 
 #include <algorithm>
diff --git a/absl/strings/internal/str_format/arg.cc b/absl/strings/internal/str_format/arg.cc
index 9feb224..e28a29b 100644
--- a/absl/strings/internal/str_format/arg.cc
+++ b/absl/strings/internal/str_format/arg.cc
@@ -1,3 +1,17 @@
+// Copyright 2020 The Abseil Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 //
 // POSIX spec:
 //   http://pubs.opengroup.org/onlinepubs/009695399/functions/fprintf.html
diff --git a/absl/strings/internal/str_format/arg.h b/absl/strings/internal/str_format/arg.h
index 3dbc152..7040c86 100644
--- a/absl/strings/internal/str_format/arg.h
+++ b/absl/strings/internal/str_format/arg.h
@@ -1,3 +1,17 @@
+// Copyright 2020 The Abseil Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #ifndef ABSL_STRINGS_INTERNAL_STR_FORMAT_ARG_H_
 #define ABSL_STRINGS_INTERNAL_STR_FORMAT_ARG_H_
 
diff --git a/absl/strings/internal/str_format/bind.cc b/absl/strings/internal/str_format/bind.cc
index 6980ed1..194e21a 100644
--- a/absl/strings/internal/str_format/bind.cc
+++ b/absl/strings/internal/str_format/bind.cc
@@ -1,3 +1,17 @@
+// Copyright 2020 The Abseil Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "absl/strings/internal/str_format/bind.h"
 
 #include <cerrno>
diff --git a/absl/strings/internal/str_format/bind.h b/absl/strings/internal/str_format/bind.h
index 585246e..727b211 100644
--- a/absl/strings/internal/str_format/bind.h
+++ b/absl/strings/internal/str_format/bind.h
@@ -1,3 +1,17 @@
+// Copyright 2020 The Abseil Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #ifndef ABSL_STRINGS_INTERNAL_STR_FORMAT_BIND_H_
 #define ABSL_STRINGS_INTERNAL_STR_FORMAT_BIND_H_
 
diff --git a/absl/strings/internal/str_format/bind_test.cc b/absl/strings/internal/str_format/bind_test.cc
index 64790a8..1eef9c4 100644
--- a/absl/strings/internal/str_format/bind_test.cc
+++ b/absl/strings/internal/str_format/bind_test.cc
@@ -1,3 +1,17 @@
+// Copyright 2020 The Abseil Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "absl/strings/internal/str_format/bind.h"
 
 #include <string.h>
diff --git a/absl/strings/internal/str_format/checker.h b/absl/strings/internal/str_format/checker.h
index 424c51f..2a2601e 100644
--- a/absl/strings/internal/str_format/checker.h
+++ b/absl/strings/internal/str_format/checker.h
@@ -1,3 +1,17 @@
+// Copyright 2020 The Abseil Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #ifndef ABSL_STRINGS_INTERNAL_STR_FORMAT_CHECKER_H_
 #define ABSL_STRINGS_INTERNAL_STR_FORMAT_CHECKER_H_
 
diff --git a/absl/strings/internal/str_format/checker_test.cc b/absl/strings/internal/str_format/checker_test.cc
index a76d70b..7c70f47 100644
--- a/absl/strings/internal/str_format/checker_test.cc
+++ b/absl/strings/internal/str_format/checker_test.cc
@@ -1,3 +1,17 @@
+// Copyright 2020 The Abseil Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include <string>
 
 #include "gmock/gmock.h"
diff --git a/absl/strings/internal/str_format/convert_test.cc b/absl/strings/internal/str_format/convert_test.cc
index 634ee78..375db0a 100644
--- a/absl/strings/internal/str_format/convert_test.cc
+++ b/absl/strings/internal/str_format/convert_test.cc
@@ -1,3 +1,17 @@
+// Copyright 2020 The Abseil Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include <errno.h>
 #include <stdarg.h>
 #include <stdio.h>
diff --git a/absl/strings/internal/str_format/float_conversion.cc b/absl/strings/internal/str_format/float_conversion.cc
index 20aeada..d3c5f0a 100644
--- a/absl/strings/internal/str_format/float_conversion.cc
+++ b/absl/strings/internal/str_format/float_conversion.cc
@@ -1,3 +1,17 @@
+// Copyright 2020 The Abseil Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "absl/strings/internal/str_format/float_conversion.h"
 
 #include <string.h>
diff --git a/absl/strings/internal/str_format/float_conversion.h b/absl/strings/internal/str_format/float_conversion.h
index e78bc19..71100e7 100644
--- a/absl/strings/internal/str_format/float_conversion.h
+++ b/absl/strings/internal/str_format/float_conversion.h
@@ -1,3 +1,17 @@
+// Copyright 2020 The Abseil Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #ifndef ABSL_STRINGS_INTERNAL_STR_FORMAT_FLOAT_CONVERSION_H_
 #define ABSL_STRINGS_INTERNAL_STR_FORMAT_FLOAT_CONVERSION_H_
 
diff --git a/absl/strings/internal/str_format/parser.cc b/absl/strings/internal/str_format/parser.cc
index cc55dfa..f308d02 100644
--- a/absl/strings/internal/str_format/parser.cc
+++ b/absl/strings/internal/str_format/parser.cc
@@ -1,3 +1,17 @@
+// Copyright 2020 The Abseil Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "absl/strings/internal/str_format/parser.h"
 
 #include <assert.h>
diff --git a/absl/strings/internal/str_format/parser.h b/absl/strings/internal/str_format/parser.h
index fffed04..6504dd3 100644
--- a/absl/strings/internal/str_format/parser.h
+++ b/absl/strings/internal/str_format/parser.h
@@ -1,3 +1,17 @@
+// Copyright 2020 The Abseil Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #ifndef ABSL_STRINGS_INTERNAL_STR_FORMAT_PARSER_H_
 #define ABSL_STRINGS_INTERNAL_STR_FORMAT_PARSER_H_
 
diff --git a/absl/strings/internal/str_format/parser_test.cc b/absl/strings/internal/str_format/parser_test.cc
index 5aced98..a5fa1c7 100644
--- a/absl/strings/internal/str_format/parser_test.cc
+++ b/absl/strings/internal/str_format/parser_test.cc
@@ -1,3 +1,17 @@
+// Copyright 2020 The Abseil Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "absl/strings/internal/str_format/parser.h"
 
 #include <string.h>
diff --git a/absl/strings/str_format_test.cc b/absl/strings/str_format_test.cc
index d9fb25a..c60027a 100644
--- a/absl/strings/str_format_test.cc
+++ b/absl/strings/str_format_test.cc
@@ -1,3 +1,16 @@
+// Copyright 2020 The Abseil Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #include "absl/strings/str_format.h"
 
diff --git a/absl/synchronization/BUILD.bazel b/absl/synchronization/BUILD.bazel
index b2df413..cd4009a 100644
--- a/absl/synchronization/BUILD.bazel
+++ b/absl/synchronization/BUILD.bazel
@@ -80,6 +80,7 @@
         "barrier.h",
         "blocking_counter.h",
         "internal/create_thread_identity.h",
+        "internal/futex.h",
         "internal/per_thread_sem.h",
         "internal/waiter.h",
         "mutex.h",
diff --git a/absl/synchronization/CMakeLists.txt b/absl/synchronization/CMakeLists.txt
index c255b03..e633d0b 100644
--- a/absl/synchronization/CMakeLists.txt
+++ b/absl/synchronization/CMakeLists.txt
@@ -52,6 +52,7 @@
     "barrier.h"
     "blocking_counter.h"
     "internal/create_thread_identity.h"
+    "internal/futex.h"
     "internal/per_thread_sem.h"
     "internal/waiter.h"
     "mutex.h"
diff --git a/absl/synchronization/internal/futex.h b/absl/synchronization/internal/futex.h
new file mode 100644
index 0000000..3539f49
--- /dev/null
+++ b/absl/synchronization/internal/futex.h
@@ -0,0 +1,139 @@
+// Copyright 2020 The Abseil Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+#ifndef ABSL_SYNCHRONIZATION_INTERNAL_FUTEX_H_
+#define ABSL_SYNCHRONIZATION_INTERNAL_FUTEX_H_
+
+#include "absl/base/config.h"
+
+#ifdef _WIN32
+#include <windows.h>
+#else
+#include <sys/time.h>
+#include <unistd.h>
+#endif
+
+#ifdef __linux__
+#include <linux/futex.h>
+#include <sys/syscall.h>
+#endif
+
+#include <errno.h>
+#include <stdio.h>
+#include <time.h>
+
+#include <atomic>
+#include <cstdint>
+
+#include "absl/base/optimization.h"
+#include "absl/synchronization/internal/kernel_timeout.h"
+
+namespace absl {
+ABSL_NAMESPACE_BEGIN
+namespace synchronization_internal {
+
+// Some Android headers are missing these definitions even though they
+// support these futex operations.
+#ifdef __BIONIC__
+#ifndef SYS_futex
+#define SYS_futex __NR_futex
+#endif
+#ifndef FUTEX_WAIT_BITSET
+#define FUTEX_WAIT_BITSET 9
+#endif
+#ifndef FUTEX_PRIVATE_FLAG
+#define FUTEX_PRIVATE_FLAG 128
+#endif
+#ifndef FUTEX_CLOCK_REALTIME
+#define FUTEX_CLOCK_REALTIME 256
+#endif
+#ifndef FUTEX_BITSET_MATCH_ANY
+#define FUTEX_BITSET_MATCH_ANY 0xFFFFFFFF
+#endif
+#endif
+
+#if defined(__NR_futex_time64) && !defined(SYS_futex_time64)
+#define SYS_futex_time64 __NR_futex_time64
+#endif
+
+#if defined(SYS_futex_time64) && !defined(SYS_futex)
+#define SYS_futex SYS_futex_time64
+#endif
+
+class FutexImpl {
+ public:
+  static int WaitUntil(std::atomic<int32_t> *v, int32_t val,
+                       KernelTimeout t) {
+    int err = 0;
+    if (t.has_timeout()) {
+      // https://locklessinc.com/articles/futex_cheat_sheet/
+      // Unlike FUTEX_WAIT, FUTEX_WAIT_BITSET uses absolute time.
+      struct timespec abs_timeout = t.MakeAbsTimespec();
+      // Atomically check that the futex value is still 0, and if it
+      // is, sleep until abs_timeout or until woken by FUTEX_WAKE.
+      err = syscall(
+          SYS_futex, reinterpret_cast<int32_t *>(v),
+          FUTEX_WAIT_BITSET | FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME, val,
+          &abs_timeout, nullptr, FUTEX_BITSET_MATCH_ANY);
+    } else {
+      // Atomically check that the futex value is still 0, and if it
+      // is, sleep until woken by FUTEX_WAKE.
+      err = syscall(SYS_futex, reinterpret_cast<int32_t *>(v),
+                    FUTEX_WAIT | FUTEX_PRIVATE_FLAG, val, nullptr);
+    }
+    if (ABSL_PREDICT_FALSE(err != 0)) {
+      err = -errno;
+    }
+    return err;
+  }
+
+  static int WaitBitsetAbsoluteTimeout(std::atomic<int32_t> *v, int32_t val,
+                                       int32_t bits,
+                                       const struct timespec *abstime) {
+    int err = syscall(SYS_futex, reinterpret_cast<int32_t *>(v),
+                      FUTEX_WAIT_BITSET | FUTEX_PRIVATE_FLAG, val, abstime,
+                      nullptr, bits);
+    if (ABSL_PREDICT_FALSE(err != 0)) {
+      err = -errno;
+    }
+    return err;
+  }
+
+  static int Wake(std::atomic<int32_t> *v, int32_t count) {
+    int err = syscall(SYS_futex, reinterpret_cast<int32_t *>(v),
+                      FUTEX_WAKE | FUTEX_PRIVATE_FLAG, count);
+    if (ABSL_PREDICT_FALSE(err < 0)) {
+      err = -errno;
+    }
+    return err;
+  }
+
+  // FUTEX_WAKE_BITSET
+  static int WakeBitset(std::atomic<int32_t> *v, int32_t count, int32_t bits) {
+    int err = syscall(SYS_futex, reinterpret_cast<int32_t *>(v),
+                      FUTEX_WAKE_BITSET | FUTEX_PRIVATE_FLAG, count, nullptr,
+                      nullptr, bits);
+    if (ABSL_PREDICT_FALSE(err < 0)) {
+      err = -errno;
+    }
+    return err;
+  }
+};
+
+class Futex : public FutexImpl {};
+
+}  // namespace synchronization_internal
+ABSL_NAMESPACE_END
+}  // namespace absl
+
+#endif  // ABSL_SYNCHRONIZATION_INTERNAL_FUTEX_H_
diff --git a/absl/synchronization/internal/kernel_timeout.h b/absl/synchronization/internal/kernel_timeout.h
index 1084e1e..bbd4d2d 100644
--- a/absl/synchronization/internal/kernel_timeout.h
+++ b/absl/synchronization/internal/kernel_timeout.h
@@ -26,6 +26,7 @@
 #define ABSL_SYNCHRONIZATION_INTERNAL_KERNEL_TIMEOUT_H_
 
 #include <time.h>
+
 #include <algorithm>
 #include <limits>
 
@@ -142,7 +143,7 @@
 
   struct timespec abstime;
   int64_t seconds = (std::min)(n / kNanosPerSecond,
-                             int64_t{(std::numeric_limits<time_t>::max)()});
+                               int64_t{(std::numeric_limits<time_t>::max)()});
   abstime.tv_sec = static_cast<time_t>(seconds);
   abstime.tv_nsec = static_cast<decltype(abstime.tv_nsec)>(n % kNanosPerSecond);
   return abstime;
diff --git a/absl/synchronization/internal/waiter.cc b/absl/synchronization/internal/waiter.cc
index b6150b9..c51855b 100644
--- a/absl/synchronization/internal/waiter.cc
+++ b/absl/synchronization/internal/waiter.cc
@@ -48,6 +48,11 @@
 #include "absl/base/optimization.h"
 #include "absl/synchronization/internal/kernel_timeout.h"
 
+#if ABSL_WAITER_MODE == ABSL_WAITER_MODE_FUTEX
+#include "absl/synchronization/internal/futex.h"
+#endif
+
+
 namespace absl {
 ABSL_NAMESPACE_BEGIN
 namespace synchronization_internal {
@@ -66,71 +71,6 @@
 
 #if ABSL_WAITER_MODE == ABSL_WAITER_MODE_FUTEX
 
-// Some Android headers are missing these definitions even though they
-// support these futex operations.
-#ifdef __BIONIC__
-#ifndef SYS_futex
-#define SYS_futex __NR_futex
-#endif
-#ifndef FUTEX_WAIT_BITSET
-#define FUTEX_WAIT_BITSET 9
-#endif
-#ifndef FUTEX_PRIVATE_FLAG
-#define FUTEX_PRIVATE_FLAG 128
-#endif
-#ifndef FUTEX_CLOCK_REALTIME
-#define FUTEX_CLOCK_REALTIME 256
-#endif
-#ifndef FUTEX_BITSET_MATCH_ANY
-#define FUTEX_BITSET_MATCH_ANY 0xFFFFFFFF
-#endif
-#endif
-
-#if defined(__NR_futex_time64) && !defined(SYS_futex_time64)
-#define SYS_futex_time64 __NR_futex_time64
-#endif
-
-#if defined(SYS_futex_time64) && !defined(SYS_futex)
-#define SYS_futex SYS_futex_time64
-#endif
-
-class Futex {
- public:
-  static int WaitUntil(std::atomic<int32_t> *v, int32_t val,
-                       KernelTimeout t) {
-    int err = 0;
-    if (t.has_timeout()) {
-      // https://locklessinc.com/articles/futex_cheat_sheet/
-      // Unlike FUTEX_WAIT, FUTEX_WAIT_BITSET uses absolute time.
-      struct timespec abs_timeout = t.MakeAbsTimespec();
-      // Atomically check that the futex value is still 0, and if it
-      // is, sleep until abs_timeout or until woken by FUTEX_WAKE.
-      err = syscall(
-          SYS_futex, reinterpret_cast<int32_t *>(v),
-          FUTEX_WAIT_BITSET | FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME, val,
-          &abs_timeout, nullptr, FUTEX_BITSET_MATCH_ANY);
-    } else {
-      // Atomically check that the futex value is still 0, and if it
-      // is, sleep until woken by FUTEX_WAKE.
-      err = syscall(SYS_futex, reinterpret_cast<int32_t *>(v),
-                    FUTEX_WAIT | FUTEX_PRIVATE_FLAG, val, nullptr);
-    }
-    if (err != 0) {
-      err = -errno;
-    }
-    return err;
-  }
-
-  static int Wake(std::atomic<int32_t> *v, int32_t count) {
-    int err = syscall(SYS_futex, reinterpret_cast<int32_t *>(v),
-                      FUTEX_WAKE | FUTEX_PRIVATE_FLAG, count);
-    if (ABSL_PREDICT_FALSE(err < 0)) {
-      err = -errno;
-    }
-    return err;
-  }
-};
-
 Waiter::Waiter() {
   futex_.store(0, std::memory_order_relaxed);
 }
diff --git a/absl/synchronization/mutex.cc b/absl/synchronization/mutex.cc
index 9b7f088..63f0940 100644
--- a/absl/synchronization/mutex.cc
+++ b/absl/synchronization/mutex.cc
@@ -88,8 +88,8 @@
 ABSL_CONST_INIT std::atomic<bool> synch_check_invariants(false);
 
 ABSL_INTERNAL_ATOMIC_HOOK_ATTRIBUTES
-    absl::base_internal::AtomicHook<void (*)(int64_t wait_cycles)>
-        submit_profile_data;
+absl::base_internal::AtomicHook<void (*)(int64_t wait_cycles)>
+    submit_profile_data;
 ABSL_INTERNAL_ATOMIC_HOOK_ATTRIBUTES absl::base_internal::AtomicHook<void (*)(
     const char *msg, const void *obj, int64_t wait_cycles)>
     mutex_tracer;
@@ -491,7 +491,7 @@
   std::atomic<intptr_t> *cv_word;
 
   int64_t contention_start_cycles;  // Time (in cycles) when this thread started
-                                  // to contend for the mutex.
+                                    // to contend for the mutex.
 };
 
 struct SynchLocksHeld {
@@ -2311,7 +2311,8 @@
     if (!cond_waiter) {
       // Sample lock contention events only if the (first) waiter was trying to
       // acquire the lock, not waiting on a condition variable or Condition.
-      int64_t wait_cycles = base_internal::CycleClock::Now() - enqueue_timestamp;
+      int64_t wait_cycles =
+          base_internal::CycleClock::Now() - enqueue_timestamp;
       mutex_tracer("slow release", this, wait_cycles);
       ABSL_TSAN_MUTEX_PRE_DIVERT(this, 0);
       submit_profile_data(enqueue_timestamp);
diff --git a/absl/synchronization/mutex.h b/absl/synchronization/mutex.h
index 6340bd6..f686c4d 100644
--- a/absl/synchronization/mutex.h
+++ b/absl/synchronization/mutex.h
@@ -667,10 +667,10 @@
   //   };
   //   mu_.Await(Condition(&reached));
   //
-  // NOTE: never use "mu_.AssertHeld()" instead of "mu_.AssertReadHeld()" in the
-  // lambda as it may be called when the mutex is being unlocked from a scope
-  // holding only a reader lock, which will make the assertion not fulfilled and
-  // crash the binary.
+  // NOTE: never use "mu_.AssertHeld()" instead of "mu_.AssertReaderHeld()" in
+  // the lambda as it may be called when the mutex is being unlocked from a
+  // scope holding only a reader lock, which will make the assertion not
+  // fulfilled and crash the binary.
 
   // See class comment for performance advice. In particular, if there
   // might be more than one waiter for the same condition, make sure
@@ -954,7 +954,7 @@
 //
 // This has the same memory ordering concerns as RegisterMutexProfiler() above.
 void RegisterMutexTracer(void (*fn)(const char *msg, const void *obj,
-                              int64_t wait_cycles));
+                                    int64_t wait_cycles));
 
 // TODO(gfalcon): Combine RegisterMutexProfiler() and RegisterMutexTracer()
 // into a single interface, since they are only ever called in pairs.
diff --git a/absl/time/clock.cc b/absl/time/clock.cc
index e5c423c..6862e01 100644
--- a/absl/time/clock.cc
+++ b/absl/time/clock.cc
@@ -74,9 +74,7 @@
 #if !ABSL_USE_CYCLECLOCK_FOR_GET_CURRENT_TIME_NANOS
 namespace absl {
 ABSL_NAMESPACE_BEGIN
-int64_t GetCurrentTimeNanos() {
-  return GET_CURRENT_TIME_NANOS_FROM_SYSTEM();
-}
+int64_t GetCurrentTimeNanos() { return GET_CURRENT_TIME_NANOS_FROM_SYSTEM(); }
 ABSL_NAMESPACE_END
 }  // namespace absl
 #else  // Use the cyclecounter-based implementation below.
diff --git a/absl/time/duration.cc b/absl/time/duration.cc
index eca1a6d..4443109 100644
--- a/absl/time/duration.cc
+++ b/absl/time/duration.cc
@@ -356,7 +356,7 @@
 // the remainder.  If it does not saturate, the remainder remain accurate,
 // but the returned quotient will over/underflow int64_t and should not be used.
 int64_t IDivDuration(bool satq, const Duration num, const Duration den,
-                   Duration* rem) {
+                     Duration* rem) {
   int64_t q = 0;
   if (IDivFastPath(num, den, &q, rem)) {
     return q;
diff --git a/absl/time/time.cc b/absl/time/time.cc
index 6bb36cb..1ec2026 100644
--- a/absl/time/time.cc
+++ b/absl/time/time.cc
@@ -60,9 +60,10 @@
 inline int64_t FloorToUnit(absl::Duration d, absl::Duration unit) {
   absl::Duration rem;
   int64_t q = absl::IDivDuration(d, unit, &rem);
-  return (q > 0 ||
-          rem >= ZeroDuration() ||
-          q == std::numeric_limits<int64_t>::min()) ? q : q - 1;
+  return (q > 0 || rem >= ZeroDuration() ||
+          q == std::numeric_limits<int64_t>::min())
+             ? q
+             : q - 1;
 }
 
 inline absl::Time::Breakdown InfiniteFutureBreakdown() {
diff --git a/absl/time/time.h b/absl/time/time.h
index 37f6131..7250803 100644
--- a/absl/time/time.h
+++ b/absl/time/time.h
@@ -639,7 +639,7 @@
   // Deprecated. Use `absl::TimeZone::CivilInfo`.
   struct
       Breakdown {
-    int64_t year;          // year (e.g., 2013)
+    int64_t year;        // year (e.g., 2013)
     int month;           // month of year [1:12]
     int day;             // day of month [1:31]
     int hour;            // hour of day [0:23]
@@ -1494,12 +1494,10 @@
 constexpr bool operator<(Duration lhs, Duration rhs) {
   return time_internal::GetRepHi(lhs) != time_internal::GetRepHi(rhs)
              ? time_internal::GetRepHi(lhs) < time_internal::GetRepHi(rhs)
-             : time_internal::GetRepHi(lhs) ==
-                       (std::numeric_limits<int64_t>::min)()
-                   ? time_internal::GetRepLo(lhs) + 1 <
-                         time_internal::GetRepLo(rhs) + 1
-                   : time_internal::GetRepLo(lhs) <
-                         time_internal::GetRepLo(rhs);
+         : time_internal::GetRepHi(lhs) == (std::numeric_limits<int64_t>::min)()
+             ? time_internal::GetRepLo(lhs) + 1 <
+                   time_internal::GetRepLo(rhs) + 1
+             : time_internal::GetRepLo(lhs) < time_internal::GetRepLo(rhs);
 }
 
 constexpr bool operator==(Duration lhs, Duration rhs) {
diff --git a/absl/time/time_test.cc b/absl/time/time_test.cc
index b28a99f..cde9423 100644
--- a/absl/time/time_test.cc
+++ b/absl/time/time_test.cc
@@ -1070,7 +1070,8 @@
   EXPECT_EQ("292277026596-12-04T15:30:07+00:00",
             absl::FormatTime(absl::RFC3339_full, t, utc));
   EXPECT_EQ(
-      absl::UnixEpoch() + absl::Seconds(std::numeric_limits<int64_t>::max()), t);
+      absl::UnixEpoch() + absl::Seconds(std::numeric_limits<int64_t>::max()),
+      t);
 
   // Checks that we can also get the maximal Time value for a far-east zone.
   const absl::TimeZone plus14 = absl::FixedTimeZone(14 * 60 * 60);
@@ -1078,7 +1079,8 @@
   EXPECT_EQ("292277026596-12-05T05:30:07+14:00",
             absl::FormatTime(absl::RFC3339_full, t, plus14));
   EXPECT_EQ(
-      absl::UnixEpoch() + absl::Seconds(std::numeric_limits<int64_t>::max()), t);
+      absl::UnixEpoch() + absl::Seconds(std::numeric_limits<int64_t>::max()),
+      t);
 
   // One second later should push us to infinity.
   t = absl::FromCivil(absl::CivilSecond(292277026596, 12, 4, 15, 30, 8), utc);
@@ -1092,7 +1094,8 @@
   EXPECT_EQ("-292277022657-01-27T08:29:52+00:00",
             absl::FormatTime(absl::RFC3339_full, t, utc));
   EXPECT_EQ(
-      absl::UnixEpoch() + absl::Seconds(std::numeric_limits<int64_t>::min()), t);
+      absl::UnixEpoch() + absl::Seconds(std::numeric_limits<int64_t>::min()),
+      t);
 
   // Checks that we can also get the minimal Time value for a far-west zone.
   const absl::TimeZone minus12 = absl::FixedTimeZone(-12 * 60 * 60);
@@ -1101,7 +1104,8 @@
   EXPECT_EQ("-292277022657-01-26T20:29:52-12:00",
             absl::FormatTime(absl::RFC3339_full, t, minus12));
   EXPECT_EQ(
-      absl::UnixEpoch() + absl::Seconds(std::numeric_limits<int64_t>::min()), t);
+      absl::UnixEpoch() + absl::Seconds(std::numeric_limits<int64_t>::min()),
+      t);
 
   // One second before should push us to -infinity.
   t = absl::FromCivil(absl::CivilSecond(-292277022657, 1, 27, 8, 29, 51), utc);
diff --git a/absl/types/internal/variant.h b/absl/types/internal/variant.h
index d404e80..772008c 100644
--- a/absl/types/internal/variant.h
+++ b/absl/types/internal/variant.h
@@ -45,7 +45,7 @@
 template <class... Types>
 class variant;
 
-ABSL_INTERNAL_INLINE_CONSTEXPR(size_t, variant_npos, -1);
+ABSL_INTERNAL_INLINE_CONSTEXPR(size_t, variant_npos, static_cast<size_t>(-1));
 
 template <class T>
 struct variant_size;
diff --git a/absl/types/variant_test.cc b/absl/types/variant_test.cc
index cf8f7f3..cf23733 100644
--- a/absl/types/variant_test.cc
+++ b/absl/types/variant_test.cc
@@ -2311,7 +2311,8 @@
   ASSERT_TRUE(absl::holds_alternative<int32_t>(variant2));
   EXPECT_EQ(42, absl::get<int32_t>(variant2));
 
-  variant2 = ConvertVariantTo<variant<int32_t, uint32_t>>(variant<uint32_t>(42));
+  variant2 =
+      ConvertVariantTo<variant<int32_t, uint32_t>>(variant<uint32_t>(42));
   ASSERT_TRUE(absl::holds_alternative<uint32_t>(variant2));
   EXPECT_EQ(42, absl::get<uint32_t>(variant2));
 #endif  // !ABSL_USES_STD_VARIANT
@@ -2453,7 +2454,8 @@
       ConvertVariantTo<variant<int32_t, uint32_t>>(variant<int32_t>(42)));
   EXPECT_THAT(absl::get_if<int32_t>(&variant2), Pointee(42));
 
-  variant2 = ConvertVariantTo<variant<int32_t, uint32_t>>(variant<uint32_t>(42));
+  variant2 =
+      ConvertVariantTo<variant<int32_t, uint32_t>>(variant<uint32_t>(42));
   EXPECT_THAT(absl::get_if<uint32_t>(&variant2), Pointee(42));
 #endif