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/* Test "ignore redundant include" facility.

   -H is used because cpp might confuse the issue by optimizing out

   #line markers.  This test only passes if the headers is read

   twice.

   The disgusting regexp in the dg-error line, when stuck into

   dg.exp's compiler-output regexp, matches the correct -H output and

   only the correct -H output.  It has to be all on one line because

   otherwise it will not be interpreted all in one unit.  */

/* { dg-do preprocess }

   { dg-options "-H" }

   { dg-message "mi7a\.h\n\[^\n\]*mi7a\.h\n\[^\n\]*mi7b\.h\n\[^\n\]*mi7b\.h" "redundant include check" { target *-*-* } 0 } */

#include "mi7a.h"

#include "mi7a.h"

#include "mi7b.h"

#include "mi7b.h"