Attempt to make test from r195886 portable with different shells

Windows and Hexagon complained. It's not clear which command is failing, so
will back out the changes if this doesn't do the trick.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@195889 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Frontend/rewrite-includes-bom.c b/test/Frontend/rewrite-includes-bom.c
index 276c994fb0e7e4efd0c025f7b543e4012d7b6b65..9a62f4594afda9b3d6d73f976a6d7fc7fa301a4c 100644 (file)
--- a/test/Frontend/rewrite-includes-bom.c
+++ b/test/Frontend/rewrite-includes-bom.c
@@ -1,5 +1,5 @@
-// RUN: grep '^\xEF\xBB\xBF' %S/Inputs/rewrite-includes-bom.h
-// RUN: %clang_cc1 -E -frewrite-includes -I %S/Inputs %s -o - | %clang_cc1 -fsyntax-only -verify -x c - | not grep '\xEF\xBB\xBF'
+// RUN: grep -E "^\\xEF\\xBB\\xBF" %S/Inputs/rewrite-includes-bom.h
+// RUN: %clang_cc1 -E -frewrite-includes -I %S/Inputs %s -o - | %clang_cc1 -fsyntax-only -verify -x c - | not grep -E "\\xEF\\xBB\\xBF"
 // expected-no-diagnostics
 
 #include "rewrite-includes-bom.h"