15 lines · c
1// RUN: rm -rf %t2// RUN: mkdir -p %t3// RUN: echo 'int yyy = 42;' > %t/a.h4// RUN: %clang_cc1 -fsyntax-only %s -I%t -verify5 6// expected-error@a.h:1 {{redefinition of 'yyy'}}7// expected-note@a.h:1 {{unguarded header; consider using #ifdef guards or #pragma once}}8// expected-note-re@redefinition-same-header.c:11 {{'{{.*}}a.h' included multiple times, additional include site here}}9// expected-note-re@redefinition-same-header.c:12 {{'{{.*}}a.h' included multiple times, additional include site here}}10 11#include "a.h"12#include "a.h"13 14int foo(void) { return yyy; }15