gcc/testsuite/gcc.c-torture/execute/doloop-1.c


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#include <limits.h>

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

volatile unsigned int i;

int
main (void)
{
  unsigned char z = 0;

  do ++i;
  while (--z > 0);
  if (i != UCHAR_MAX + 1U)
    abort ();
  exit (0);
}