gcc/testsuite/gcc.c-torture/execute/pr79043.c

   1 /* PR ipa/78791 */
   2
   3 int val;
   4
   5 int *ptr = &val;
   6 float *ptr2 = &val;
   7
   8 static
   9 __attribute__((always_inline, optimize ("-fno-strict-aliasing")))
  10 typepun ()
  11 {
  12   *ptr2=0;
  13 }
  14
  15 main()
  16 {
  17   *ptr=1;
  18   typepun ();
  19   if (*ptr)
  20     __builtin_abort ();
  21 }