gcc-4.9/gcc/testsuite/gcc.dg/pr24820.c


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/* { dg-do compile } */
/* { dg-options "-O2 -ffast-math" } */

double floor (double);
double bar (double sum)
{
  int i;
  for (i = 0; i < 256; i++)
   sum += floor (0.5 + (i - 128));
  return sum;
}