File: 20041213-2.c

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gcc-arm-none-eabi 15%3A12.2.rel1-1
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/* PR tree-optimization/18694

   The dominator optimization didn't take the PHI evaluation order
   into account when threading an edge.  */

extern void abort (void) __attribute__((noreturn));
extern void exit (int) __attribute__((noreturn));

void __attribute__((noinline))
foo (int i)
{
  int next_n = 1;
  int j = 0;

  for (; i != 0; i--)
    {
      int n;

      for (n = next_n; j < n; j++)
	next_n++;

      if (j != n)
	abort ();
    }
}

int
main (void)
{
  foo (2);
  exit (0);
}