define __weak to null in rewritten source for

-fms-extensions as well.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@93569 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Frontend/RewriteObjC.cpp b/lib/Frontend/RewriteObjC.cpp
index 9f777d616e1116e140fd5fdc3347b7844a0060d5..44a770a3edf6513e90996e0aad9308df60b62302 100644 (file)
--- a/lib/Frontend/RewriteObjC.cpp
+++ b/lib/Frontend/RewriteObjC.cpp
@@ -618,6 +618,7 @@ void RewriteObjC::Initialize(ASTContext &context) {
     Preamble += "#undef __OBJC_RW_DLLIMPORT\n";
     Preamble += "#undef __OBJC_RW_STATICIMPORT\n";
     Preamble += "#define __attribute__(X)\n";
+    Preamble += "#define __weak\n";
   }
   else {
     Preamble += "#define __block\n";