From: Chris Lattner <sabre@nondot.org>
Date: Sun, 5 Oct 2008 19:32:52 +0000 (+0000)
Subject: gcc no longer defines __block to nothing when blocks aren't enabled.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2b43ad9588b8c7f0c9fdc1d95f4f972257215fca;p=clang

gcc no longer defines __block to nothing when blocks aren't enabled.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57129 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Lex/Preprocessor.cpp b/lib/Lex/Preprocessor.cpp
index 4cd8bce6aa..c97cda3bcd 100644
--- a/lib/Lex/Preprocessor.cpp
+++ b/lib/Lex/Preprocessor.cpp
@@ -436,10 +436,7 @@ static void InitializePredefinedMacros(Preprocessor &PP,
   if (PP.getLangOptions().Blocks) {
     DefineBuiltinMacro(Buf, "__block=__attribute__((__blocks__(byref)))");
     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=");
+  }
   
   if (PP.getLangOptions().CPlusPlus) {
     DefineBuiltinMacro(Buf, "__DEPRECATED=1");