gcc/testsuite/gcc.dg/cpp/trad/mi3.c


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/* Another test case for over-eager multiple include optimization.
   This one distilled from glibc's setlocale.c and categories.def.  */
/* { dg-do compile } */

#define X a
#include "mi3.def"
#undef X

#define X b
#include "mi3.def"
#undef X

#include "mi3.h"
#include "mi3.h"  /* The second include declares variable c.  */

int
main(void)
{
  return a + b + c;
}