gcc-4.9/gcc/testsuite/gcc.dg/920413-1.c


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/* { dg-do compile } */
/* { dg-options "-Wtraditional" } */

int
x (b)
{
  return
  4294967295U   /* { dg-warning "width of integer|traditional C rejects" } */
   / (unsigned long) b;
}