gcc-4.9/gcc/testsuite/gcc.dg/debug/pr47501.c


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/* { dg-do compile } */
/* { dg-options "-Os -fmodulo-sched -fcompare-debug" } */

void
foo (void)
{
  unsigned numlen;
  unsigned foldlen;
  for (; foldlen; foldlen -= numlen)
    foo ();
}