gcc/testsuite/gcc.dg/torture/pr71598-2.c

   1 /* { dg-do run } */
   2 /* { dg-prune-output "use of enum values across objects may fail" } */
   3 /* { dg-additional-options "-fshort-enums" } */
   4 /* { dg-skip-if "" short_eq_int } */
   5
   6 enum e1 { c1 = -__INT_MAX__ };
   7
   8 __attribute__((noinline,noclone))
   9 int f(enum e1 *p, signed int *q)
  10 {
  11   *p = c1;
  12   *q = 2;
  13   return *p;
  14 }
  15
  16 enum e2 { c2 = __SHRT_MAX__ + 1};
  17
  18 __attribute__((noinline,noclone))
  19 int g(enum e2 *p, unsigned short *q)
  20 {
  21   *p = c2;
  22   *q = 2;
  23   return *p;
  24 }
  25
  26 enum e3 { c3 = __SCHAR_MAX__ };
  27
  28 __attribute__((noinline,noclone))
  29 int h(enum e3 *p, unsigned char *q)
  30 {
  31   *p = c3;
  32   *q = 2;
  33   return *p;
  34 }
  35
  36 int main()
  37 {
  38   signed x;
  39   unsigned short y;
  40   unsigned char z;
  41
  42   if (f(&x, &x) != 2)
  43     __builtin_abort();
  44   if (g(&y, &y) != 2)
  45     __builtin_abort();
  46   if (h(&z, &z) != 2)
  47     __builtin_abort();
  48   return 0;
  49 }