Generate objc_read_weak for __weak objc loads.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59553 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGValue.h b/lib/CodeGen/CGValue.h
index 505381e..ef2cb03 100644
--- a/lib/CodeGen/CGValue.h
+++ b/lib/CodeGen/CGValue.h
@@ -138,6 +138,10 @@
   static void SetQualifiers(unsigned Qualifiers, LValue& R) {
     R.Volatile = (Qualifiers&QualType::Volatile)!=0;
     R.Restrict = (Qualifiers&QualType::Restrict)!=0;
+    // FIXME: Convenient place to set objc flags to 0. This
+    // should really be done in a user-defined constructor instead.
+    R.ObjcWeak = 0;
+    R.ObjcStrong = 0;
   }
   
 public: