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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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/* PR c/83448 */

char *a;
int b;

void
foo (void)
{
  for (;;)
    {
      if (b < 0)
	foo ();
      __builtin_snprintf (a, b, "%*s", b, "");
    }
}