Merge pull request #3393 from JC3:patch-1

PiperOrigin-RevId: 377289133
diff --git a/googletest/include/gtest/internal/gtest-param-util.h b/googletest/include/gtest/internal/gtest-param-util.h
index 3e49a6b..ed5d467 100644
--- a/googletest/include/gtest/internal/gtest-param-util.h
+++ b/googletest/include/gtest/internal/gtest-param-util.h
@@ -654,7 +654,7 @@
 
     // Check for invalid characters
     for (std::string::size_type index = 0; index < name.size(); ++index) {
-      if (!isalnum(name[index]) && name[index] != '_')
+      if (!IsAlNum(name[index]) && name[index] != '_')
         return false;
     }