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-rw-r--r--clang/docs/LanguageExtensions.rst3
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/docs/LanguageExtensions.rst b/clang/docs/LanguageExtensions.rst
index 6a4dd5ccbf3..88e42e95ba5 100644
--- a/clang/docs/LanguageExtensions.rst
+++ b/clang/docs/LanguageExtensions.rst
@@ -1715,6 +1715,9 @@ The macros ``__ATOMIC_RELAXED``, ``__ATOMIC_CONSUME``, ``__ATOMIC_ACQUIRE``,
provided, with values corresponding to the enumerators of C11's
``memory_order`` enumeration.
+(Note that Clang additionally provides GCC-compatible ``__atomic_*``
+builtins)
+
Low-level ARM exclusive memory builtins
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