gcc/testsuite/gcc.c-torture/execute/20030216-1.c

   1 /* This test requires constant propagation of loads and stores to be
   2    enabled.  This is only guaranteed at -O2 and higher.  Do not run
   3    at -O1.  */
   4 /* { dg-skip-if "requires higher optimization" { *-*-* } "-O1" "" } */
   5
   6 void link_error (void);
   7 const double one=1.0;
   8 main ()
   9 {
  10 #ifdef __OPTIMIZE__
  11   if ((int) one != 1)
  12     link_error ();
  13 #endif
  14   return 0;
  15 }