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/* { dg-do run } */

/* { dg-options "-O1 -ftree-vrp" } */

/* PR tree-optimization/22230

   The meet of the ranges in "i*i" was not computed correctly, leading

   gcc to believe that a was equal to 0 after the loop.  */

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

int main (void)

{

  long a, i;

  for (i = 0; i < 5; i++)

    a = i * i;

  if (a != 16)

    abort ();

  return 0;

}