Update clang for D20348

Differential Revision: http://reviews.llvm.org/D20339

llvm-svn: 272710
diff --git a/clang/test/CodeGenOpenCL/str_literals.cl b/clang/test/CodeGenOpenCL/str_literals.cl
index 092b637..1c0acd1 100644
--- a/clang/test/CodeGenOpenCL/str_literals.cl
+++ b/clang/test/CodeGenOpenCL/str_literals.cl
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 %s -emit-llvm -o - -ffake-address-space-map | FileCheck %s
+// RUN: %clang_cc1 %s -cl-opt-disable -emit-llvm -o - -ffake-address-space-map | FileCheck %s
 
 __constant char * __constant x = "hello world";
 __constant char * __constant y = "hello world";