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/* { dg-do compile } */

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

/* Don't warn about an overflow when folding i > 0.  The loop analysis

   should determine that i does not wrap.  */

struct c { unsigned int a; unsigned int b; };

extern void bar (struct c *);

int

foo (struct c *p)

{

  int i;

  int sum = 0;

  for (i = 0; i < p->a - p->b; ++i)

    {

      if (i > 0)

        sum += 2;

      bar (p);

    }

  return sum;

}