clang/test/Sema/redefinition-same-header.c

   1 // RUN: rm -rf %t
   2 // RUN: mkdir -p %t
   3 // RUN: echo 'int yyy = 42;' > %t/a.h
   4 // RUN: %clang_cc1 -fsyntax-only %s -I%t  -verify
   5
   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
  14 int foo(void) { return yyy; }