gcc/testsuite/gcc.dg/enum-mode-2.c

   1 /* PR c/51147 - attribute((mode(byte))) on an enum generates wrong code */
   2
   3 /* { dg-do compile } */
   4 /* { dg-additional-options "-O2 -fdump-tree-optimized" } */
   5
   6 enum _eq_bool
   7 {
   8   false,
   9   true
  10 } __attribute__((mode (byte)));
  11
  12 typedef enum _eq_bool bool;
  13
  14 bool foo (void);
  15 bool bar (void);
  16
  17 bool test (void)
  18 {
  19   return foo () || bar ();
  20 }
  21
  22 /* { dg-final { scan-tree-dump-times "foo|bar" 2 "optimized" } } */