`#ifdef` out `clang`-specific pragmas to avoid unknown pragma warnings when compiling with non-`clang` (#18241)
Closes #18241
COPYBARA_INTEGRATE_REVIEW=https://github.com/protocolbuffers/protobuf/pull/18241 from tempoz:tempoz-fix-unknown-pragma e67f35888557f4a78341ed373a96a4c4352da9a0
PiperOrigin-RevId: 676625555
diff --git a/src/google/protobuf/wire_format_lite.cc b/src/google/protobuf/wire_format_lite.cc
index 9737f0e..989a337 100644
--- a/src/google/protobuf/wire_format_lite.cc
+++ b/src/google/protobuf/wire_format_lite.cc
@@ -671,9 +671,11 @@
if (x > 0x1FFFFF) sum++;
if (x > 0xFFFFFFF) sum++;
}
+#ifdef __clang__
// Clang is not smart enough to see that this loop doesn't run many times
// NOLINTNEXTLINE(google3-runtime-pragma-loop-hint): b/315043579
#pragma clang loop vectorize(disable) unroll(disable) interleave(disable)
+#endif
for (; i < n; i++) {
uint32_t x = data[i];
if (ZigZag) {
@@ -713,9 +715,11 @@
if (x > 0x1FFFFF) sum++;
if (x > 0xFFFFFFF) sum++;
}
+#ifdef __clang__
// Clang is not smart enough to see that this loop doesn't run many times
// NOLINTNEXTLINE(google3-runtime-pragma-loop-hint): b/315043579
#pragma clang loop vectorize(disable) unroll(disable) interleave(disable)
+#endif
for (; i < n; i++) {
uint64_t x = data[i];
if (ZigZag) {
