Fix static initialization of std::atomic_flag; Fixes PR#37226. Thanks to Ricky Zhou for the report and test case.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@330828 91177308-0d34-0410-b5e6-96231b3b80d8
2018-04-25 14:27:29 +00:00
parent 58bcf28c63
commit 727ed618db
2 changed files with 8 additions and 1 deletions
--- a/include/atomic
+++ b/include/atomic
@@ -1741,7 +1741,7 @@ typedef struct atomic_flag
    atomic_flag() _NOEXCEPT : __a_() {}
 #endif // _LIBCPP_CXX03_LANG

-    _LIBCPP_INLINE_VISIBILITY
+    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
    atomic_flag(bool __b) _NOEXCEPT : __a_(__b) {} // EXTENSION

 #ifndef _LIBCPP_CXX03_LANG