gcc/testsuite/gcc.dg/float-range-2.c

   1 /* Floating constants outside the range of their type should receive a
   2    pedwarn, not a warning.  This includes INFINITY if the target does
   3    not support infinities.  */
   4 /* Origin: Joseph Myers <jsm@polyomino.org.uk> */
   5 /* { dg-do compile { target vax-*-* pdp11-*-* } } */
   6 /* { dg-options "-ansi -pedantic-errors" } */
   7
   8 void
   9 f (void)
  10 {
  11   float a = __builtin_inff (); /* { dg-error "target format does not support infinity" } */
  12   double b = __builtin_inf (); /* { dg-error "target format does not support infinity" } */
  13   long double c = __builtin_infl (); /* { dg-error "target format does not support infinity" } */
  14 }