gcc/testsuite/gcc.dg/20040223-1.c

   1 /* GCC was not warning about taking the address of parameters or
   2    fields of struct parameters when returning them.  */
   3 /* PR c/14156 */
   4
   5 /* { dg-do compile  } */
   6
   7
   8 int * f( int a)
   9 {
  10         return &a;/* { dg-warning "address" "" } */
  11 }
  12
  13 int * g()
  14 {
  15         int b = 0;
  16         return &b;/* { dg-warning "address" "" } */
  17 }
  18
  19 struct ll
  20 {
  21   int i;
  22 };
  23
  24 int *h(struct ll c)
  25 {
  26   return &c.i;/* { dg-warning "address" "" } */
  27 }
  28
  29
  30 struct ll d;
  31
  32 int *i()
  33 {
  34   return &d.i;/* { dg-bogus "address" "" } */
  35 }
  36
  37
  38 int *j(struct ll *c)
  39 {
  40   return &c->i; /* { dg-bogus "address" "" } */
  41 }