Fixes a minor rewriter bug messaging inside a function call.
Fixes radar 7617047.

llvm-svn: 95392
diff --git a/clang/lib/Frontend/RewriteObjC.cpp b/clang/lib/Frontend/RewriteObjC.cpp
index dcd83c6..b90babd 100644
--- a/clang/lib/Frontend/RewriteObjC.cpp
+++ b/clang/lib/Frontend/RewriteObjC.cpp
@@ -1310,7 +1310,11 @@
     Stmt *newStmt = RewriteObjCIvarRefExpr(IvarRefExpr, OrigStmtRange.getBegin(),
                                            replaced);
     return newStmt;
-  }  
+  } 
+  if (ObjCMessageExpr *MsgRefExpr = dyn_cast<ObjCMessageExpr>(S)) {
+    Stmt *newStmt = SynthMessageExpr(MsgRefExpr);
+    return newStmt;
+  }
   return S;
 }