Don't pass -O0 to clang_cc1, it is the default.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@189910 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/2010-03-5-LexicalScope.c b/test/CodeGen/2010-03-5-LexicalScope.c
index e0e41dd..8dc68d7 100644
--- a/test/CodeGen/2010-03-5-LexicalScope.c
+++ b/test/CodeGen/2010-03-5-LexicalScope.c
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -emit-llvm -O0 -g %s -o - | FileCheck %s
+// RUN: %clang_cc1 -emit-llvm -g %s -o - | FileCheck %s
 // CHECK: DW_TAG_lexical_block
 // CHECK: DW_TAG_lexical_block
 int foo(int i) {