diff options
Diffstat (limited to 'src/google/protobuf/stubs/port.h')
| -rw-r--r-- | src/google/protobuf/stubs/port.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/google/protobuf/stubs/port.h b/src/google/protobuf/stubs/port.h index 7d84b92f..5ba04c72 100644 --- a/src/google/protobuf/stubs/port.h +++ b/src/google/protobuf/stubs/port.h @@ -196,8 +196,19 @@ static const uint64 kuint64max = GOOGLE_ULONGLONG(0xFFFFFFFFFFFFFFFF); #define GOOGLE_SAFE_CONCURRENT_WRITES_END() #endif +#if defined(__clang__) && defined(__has_cpp_attribute) \ + && !defined(GOOGLE_PROTOBUF_OS_APPLE) +# if defined(GOOGLE_PROTOBUF_OS_NACL) || defined(EMSCRIPTEN) || \ + __has_cpp_attribute(clang::fallthrough) +# define GOOGLE_FALLTHROUGH_INTENDED [[clang::fallthrough]] +# endif +#endif + +#ifndef GOOGLE_FALLTHROUGH_INTENDED +# define GOOGLE_FALLTHROUGH_INTENDED +#endif + #define GOOGLE_GUARDED_BY(x) -#define GOOGLE_FALLTHROUGH_INTENDED #define GOOGLE_ATTRIBUTE_COLD // x86 and x86-64 can perform unaligned loads/stores directly. |