add a comment to explain this test case
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161172 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/nobuiltin.c b/test/CodeGen/nobuiltin.c
index 5a2bf1e..0a8e8bb 100644
--- a/test/CodeGen/nobuiltin.c
+++ b/test/CodeGen/nobuiltin.c
@@ -1,7 +1,8 @@
// RUN: %clang_cc1 -fno-builtin -O1 -S -o - %s | FileCheck %s
-void fn() {
+void PR13497() {
char content[2];
+ // make sure we don't optimize this call to strcpy()
// CHECK: __strcpy_chk
__builtin___strcpy_chk(content, "", 1);
}