gcc/testsuite/c-c++-common/pr57793.c

   1 /* PR c++/57793 */
   2
   3 struct A { unsigned a : 1; unsigned b : 1; };
   4 struct B     /* { dg-error "type .B. is too large" "" { target { c++ && ilp32 } } } */
   5 {
   6   unsigned char c[0x40000000]; /* { dg-error "size of array .c. is too large" "" { target { ! int32plus } } } */
   7   unsigned char d[0x40000ff0];/* { dg-error "size of array .d. is too large" "" { target { ! int32plus } } } */
   8   struct A e;
   9 }; /* { dg-error "type .struct B. is too large" "" { target { c && ilp32 } } } */
  10
  11 void *foo (struct B *p)
  12 {
  13   if (p->e.a)
  14     return (void *) 0;
  15   p->e.b = 1;
  16   return p->c;
  17 }
  18
  19 void
  20 bar (struct B *p)
  21 {
  22   foo (p);
  23 }