Fix rewriter tests to work with new output file logic. This changes forces the output to standard out (rather than generate a .cpp file, which is the new default for the rewriter).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@48847 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Rewriter/objc-string-concat-1.m b/test/Rewriter/objc-string-concat-1.m
index 63b8d1d..f131fcc 100644
--- a/test/Rewriter/objc-string-concat-1.m
+++ b/test/Rewriter/objc-string-concat-1.m
@@ -1,4 +1,4 @@
-// RUN: clang -rewrite-test %s 
+// RUN: clang -rewrite-test %s -o=-
 
 @class NSString;