Robustify test in the face of no assertions.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160399 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/debug-info-line2.c b/test/CodeGen/debug-info-line2.c
index 9da6aa8..893b021 100644
--- a/test/CodeGen/debug-info-line2.c
+++ b/test/CodeGen/debug-info-line2.c
@@ -9,8 +9,9 @@
 	} 
 	else
 	{
-//CHECK: store i32 %add
-//CHECK-NOT:  br label %{{[a-zA-Z0-9\.]+}}, !dbg 
+          // CHECK: add nsw
+          // CHECK-NEXT: store i32 %{{[a-zA-Z0-9]+}}
+          // CHECK-NOT:  br label %{{[a-zA-Z0-9\.]+}}, !dbg 
 		j = bar() + 2;
 	}
 	return j;