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-rw-r--r--libcxx/include/__mutex_base9
1 files changed, 0 insertions, 9 deletions
diff --git a/libcxx/include/__mutex_base b/libcxx/include/__mutex_base
index ed75c82380a6..8b4b74802b19 100644
--- a/libcxx/include/__mutex_base
+++ b/libcxx/include/__mutex_base
@@ -29,15 +29,6 @@ _LIBCPP_BEGIN_NAMESPACE_STD
#ifndef _LIBCPP_HAS_NO_THREADS
-#ifndef _LIBCPP_THREAD_SAFETY_ANNOTATION
-# ifdef _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS
-# define _LIBCPP_THREAD_SAFETY_ANNOTATION(x) __attribute__((x))
-# else
-# define _LIBCPP_THREAD_SAFETY_ANNOTATION(x)
-# endif
-#endif // _LIBCPP_THREAD_SAFETY_ANNOTATION
-
-
class _LIBCPP_TYPE_VIS _LIBCPP_THREAD_SAFETY_ANNOTATION(capability("mutex")) mutex
{
__libcpp_mutex_t __m_ = _LIBCPP_MUTEX_INITIALIZER;