gcc/testsuite/gcc.dg/pr95115.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -ftrapping-math" } */
   3 /* { dg-add-options ieee } */
   4 /* { dg-require-effective-target fenv_exceptions_double } */
   5
   6 #include <fenv.h>
   7 #include <stdlib.h>
   8
   9 __attribute__ ((noipa)) double
  10 x (void)
  11 {
  12   double d = __builtin_inf ();
  13   return d / d;
  14 }
  15
  16 int
  17 main (void)
  18 {
  19   double r = x ();
  20   if (!__builtin_isnan (r))
  21         abort ();
  22   if (!fetestexcept (FE_INVALID))
  23         abort ();
  24   exit (0);
  25 }