16 lines · c
1// RUN: %clang_cc1 -E %s | FileCheck %s2// PR62823// This test should not trigger the include guard optimization since4// the guard macro is defined on the first include.5 6#define ITERATING 17#define X 18#include "mi_opt2.h"9#undef X10#define X 211#include "mi_opt2.h"12 13// CHECK: b: 114// CHECK: b: 215 16