1/* Test "ignore redundant include" facility.
2
3   -H is used because cpp might confuse the issue by optimizing out
4   #line markers.  This test only passes if the headers is read
5   twice.
6
7   The disgusting regexp in the dg-error line, when stuck into
8   dg.exp's compiler-output regexp, matches the correct -H output and
9   only the correct -H output.  It has to be all on one line because
10   otherwise it will not be interpreted all in one unit.  */
11
12/* { dg-do preprocess }
13   { dg-options "-H" }
14   { dg-message "mi7a\.h\n\[^\n\]*mi7a\.h\n\[^\n\]*mi7b\.h\n\[^\n\]*mi7b\.h" "redundant include check" { target *-*-* } 0 } */
15
16#include "mi7a.h"
17#include "mi7a.h"
18#include "mi7b.h"
19#include "mi7b.h"
20