GCC 4.4 warns that Receiver may be used uninitialized in this function.

As far as I can see, gcc is right to think this!  The following change
will cause a nice segfault rather than undefined behaviour if this case
occurs.  Someone who understands what this code is supposed to do should
probably take a proper look.

llvm-svn: 116917

clang/lib/Rewrite/RewriteObjC.cpp

@@ -1213,7 +1213,7 @@ Stmt *RewriteObjC::RewritePropertyOrImplicitSetter(BinaryOperator *BinOp, Expr *
   ObjCMethodDecl *OMD = 0;
   QualType Ty;
   Selector Sel;
-  Stmt *Receiver;
+  Stmt *Receiver = 0;
   bool Super = false;
   QualType SuperTy;
   SourceLocation SuperLocation;