message: Stop using __has_trivial_copy on recent clang versions.
diff: @@ -640,7 +640,8 @@ void SizePrefixedTest() {
  void TriviallyCopyableTest() {
  // clang-format off
  - #if __GNUG__ && __GNUC__ < 5
  + #if __GNUG__ && __GNUC__ < 5 && \
  + !(defined(__clang__) && __clang_major__ >= 16)
  TEST_EQ(__has_trivial_copy(Vec3), true);
  #else
  #if __cplusplus >= 201103L
  