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| author | Fangrui Song <maskray@google.com> | 2019-08-16 13:54:44 +0000 |
|---|---|---|
| committer | Fangrui Song <maskray@google.com> | 2019-08-16 13:54:44 +0000 |
| commit | 6897f99314452a04be2e08058ef2f7a93053539f (patch) | |
| tree | a1251f8755bc1fa540ae8cb59029271ab2b61359 | |
| parent | 6e1ac424742bcaa8fcb259676e8ae6a183a38543 (diff) | |
| download | bcm5719-llvm-6897f99314452a04be2e08058ef2f7a93053539f.tar.gz bcm5719-llvm-6897f99314452a04be2e08058ef2f7a93053539f.zip | |
[libcxxabi] __cxa_guard_require: test guard byte with != 0 instead of == 1
llvm-svn: 369109
| -rw-r--r-- | libcxxabi/src/cxa_guard_impl.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libcxxabi/src/cxa_guard_impl.h b/libcxxabi/src/cxa_guard_impl.h index 545731b0818..98e42ba2fb0 100644 --- a/libcxxabi/src/cxa_guard_impl.h +++ b/libcxxabi/src/cxa_guard_impl.h @@ -175,7 +175,7 @@ public: /// Implements __cxa_guard_acquire AcquireResult cxa_guard_acquire() { AtomicInt<uint8_t> guard_byte(guard_byte_address); - if (guard_byte.load(std::_AO_Acquire) == COMPLETE_BIT) + if (guard_byte.load(std::_AO_Acquire) != UNSET) return INIT_IS_DONE; return derived()->acquire_init_byte(); } |
