Fix <rdar://problem/6240065> clang: __BLOCKS__ should be defined.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@56503 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/Preprocessor.cpp b/lib/Lex/Preprocessor.cpp
index 50fafdc..81a09f5 100644
--- a/lib/Lex/Preprocessor.cpp
+++ b/lib/Lex/Preprocessor.cpp
@@ -477,9 +477,10 @@
DefineBuiltinMacro(Buf, "__declspec(X)=");
}
// Directly modeled after the attribute-based implementation in GCC.
- if (PP.getLangOptions().Blocks)
+ if (PP.getLangOptions().Blocks) {
DefineBuiltinMacro(Buf, "__block=__attribute__((__blocks__(byref)))");
- else
+ DefineBuiltinMacro(Buf, "__BLOCKS__=1");
+ } else
// This allows "__block int unusedVar;" even when blocks are disabled.
// This is modeled after GCC's handling of __strong/__weak.
DefineBuiltinMacro(Buf, "__block=");