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-rw-r--r--lib/Lex/PPMacroExpansion.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Lex/PPMacroExpansion.cpp b/lib/Lex/PPMacroExpansion.cpp
index 49ba601b45..3de6cdb39d 100644
--- a/lib/Lex/PPMacroExpansion.cpp
+++ b/lib/Lex/PPMacroExpansion.cpp
@@ -818,6 +818,7 @@ static bool HasFeature(const Preprocessor &PP, const IdentifierInfo *II) {
.Case("objc_instancetype", LangOpts.ObjC2)
.Case("objc_modules", LangOpts.ObjC2 && LangOpts.Modules)
.Case("objc_nonfragile_abi", LangOpts.ObjCRuntime.isNonFragile())
+ .Case("objc_property_explicit_atomic", true) // Does clang support explicit "atomic" keyword?
.Case("objc_weak_class", LangOpts.ObjCRuntime.hasWeakClassImport())
.Case("ownership_holds", true)
.Case("ownership_returns", true)