gcc/testsuite/gcc.dg/torture/bitint-52.c

   1 /* PR middle-end/113574 */
   2 /* { dg-do run { target bitint } } */
   3 /* { dg-options "-std=c23 -pedantic-errors" } */
   4 /* { dg-skip-if "" { ! run_expensive_tests }  { "*" } { "-O0" "-O2" } } */
   5 /* { dg-skip-if "" { ! run_expensive_tests } { "-flto" } { "" } } */
   6
   7 unsigned _BitInt(1) a;
   8 unsigned _BitInt(8) b;
   9
  10 void
  11 foo (unsigned _BitInt(16) x)
  12 {
  13   a += (x << 2) | b;
  14 }
  15
  16 int
  17 main ()
  18 {
  19   foo (0xfef1uwb);
  20   if (a)
  21     __builtin_abort ();
  22   return 0;
  23 }