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-rw-r--r--lib/Frontend/InitPreprocessor.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Frontend/InitPreprocessor.cpp b/lib/Frontend/InitPreprocessor.cpp
index 2417146..025c8b9 100644
--- a/lib/Frontend/InitPreprocessor.cpp
+++ b/lib/Frontend/InitPreprocessor.cpp
@@ -868,6 +868,14 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
"__attribute__((objc_ownership(none)))");
}
+ // On Darwin, there are __double_underscored variants of the type
+ // nullability qualifiers.
+ if (TI.getTriple().isOSDarwin()) {
+ Builder.defineMacro("__nonnull", "_Nonnull");
+ Builder.defineMacro("__null_unspecified", "_Null_unspecified");
+ Builder.defineMacro("__nullable", "_Nullable");
+ }
+
// OpenMP definition
if (LangOpts.OpenMP) {
// OpenMP 2.2:
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