diff options
Diffstat (limited to 'absl/base')
| -rw-r--r-- | absl/base/call_once.h | 8 | ||||
| -rw-r--r-- | absl/base/config.h | 24 |
2 files changed, 21 insertions, 11 deletions
diff --git a/absl/base/call_once.h b/absl/base/call_once.h index 532ee2e38bb5..f6c8ebb2f791 100644 --- a/absl/base/call_once.h +++ b/absl/base/call_once.h @@ -150,12 +150,8 @@ void CallOnceImpl(std::atomic<uint32_t>* control, old_control != kOnceRunning && old_control != kOnceWaiter && old_control != kOnceDone) { - ABSL_RAW_LOG( - FATAL, - "Unexpected value for control word: %lx. Either the control word " - "has non-static storage duration (where GoogleOnceDynamic might " - "be appropriate), or there's been a memory corruption.", - static_cast<unsigned long>(old_control)); // NOLINT + ABSL_RAW_LOG(FATAL, "Unexpected value for control word: 0x%lx", + static_cast<unsigned long>(old_control)); // NOLINT } } #endif // NDEBUG diff --git a/absl/base/config.h b/absl/base/config.h index d4eb7d0cbd76..e3edb2bf0cb6 100644 --- a/absl/base/config.h +++ b/absl/base/config.h @@ -139,12 +139,18 @@ #ifdef ABSL_HAVE_THREAD_LOCAL #error ABSL_HAVE_THREAD_LOCAL cannot be directly set #elif defined(__APPLE__) -// Notes: Xcode's clang did not support `thread_local` until version -// 8, and even then not for all iOS < 9.0. Also, Xcode 9.3 started disallowing -// `thread_local` for 32-bit iOS simulator targeting iOS 9.x. -// `__has_feature` is only supported by Clang so it has be inside +// Notes: +// * Xcode's clang did not support `thread_local` until version 8, and +// even then not for all iOS < 9.0. +// * Xcode 9.3 started disallowing `thread_local` for 32-bit iOS simulator +// targeting iOS 9.x. +// * Xcode 10 moves the deployment target check for iOS < 9.0 to link time +// making __has_feature unreliable there. +// +// Otherwise, `__has_feature` is only supported by Clang so it has be inside // `defined(__APPLE__)` check. -#if __has_feature(cxx_thread_local) +#if __has_feature(cxx_thread_local) && \ + !(TARGET_OS_IPHONE && __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_9_0) #define ABSL_HAVE_THREAD_LOCAL 1 #endif #else // !defined(__APPLE__) @@ -423,4 +429,12 @@ #define ABSL_HAVE_STD_STRING_VIEW 1 #endif +// In debug mode, MSVC 2017's std::variant throws a EXCEPTION_ACCESS_VIOLATION +// SEH exception from emplace for variant<SomeStruct> when constructing the +// struct can throw. This defeats some of variant_test and +// variant_exception_safety_test. +#if defined(_MSC_VER) && _MSC_VER >= 1700 && defined(_DEBUG) +#define ABSL_INTERNAL_MSVC_2017_DBG_MODE +#endif + #endif // ABSL_BASE_CONFIG_H_ |