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/* { dg-do compile } */

/* { dg-options "-fstrict-overflow -O2 -Wstrict-overflow=2" } */

/* Source: Ian Lance Taylor.  Dual of no-strict-overflow-6.c.  */

/* VRP test.  This turns into an infinite loop (depending on what

   bigtime_test does), but at least we warn about it.  */

extern int bigtime_test (int);

int

foo ()

{

  int j;

  for (j = 1; 0 < j; j *= 2) /* { dg-warning "assuming signed overflow does not occur" "correct warning" } */

    if (! bigtime_test (j))

      return 1;

  return 0;

}