// RUN: %clang_cc1 -E %s | FileCheck %s// PR6282// This test should not trigger the include guard optimization since// the guard macro is defined on the first include.#define ITERATING 1#define X 1#include"mi_opt2.h"#undef X#define X 2#include"mi_opt2.h"// CHECK: b: 1// CHECK: b: 2