gcc/testsuite/gcc.dg/20001012-1.c

   1 /* { dg-do run { target fpic } } */
   2 /* { dg-options "-O2 -fpic" } */
   3
   4 extern void abort (void);
   5 extern void exit (int);
   6
   7 double
   8 foo (void)
   9 {
  10   return (__extension__ ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) { __l: 0x3f800000UL }).__d);
  11 }
  12
  13 int
  14 main ()
  15 {
  16   if (foo() != 1.0)
  17     abort ();
  18   exit (0);
  19 }