gcc/testsuite/c-c++-common/pr43395.c

   1 /* PR c/43395 */
   2 /* { dg-do compile } */
   3
   4 void *
   5 foo (void)
   6 {
   7  lab: /* { dg-line foo_lab } */
   8   return &&lab;
   9 /* { dg-warning "function returns address of label" "" { target c } .-1 } */
  10 /* { dg-warning "address of label" "" { target c++ } foo_lab } */
  11 }
  12
  13 void *
  14 bar (void)
  15 {
  16   __label__ lab;
  17  lab: /* { dg-line bar_lab } */
  18   return &&lab;
  19 /* { dg-warning "function returns address of label" "" { target c } .-1 } */
  20 /* { dg-warning "address of label" "" { target c++ } bar_lab } */
  21 }
  22
  23 void *
  24 baz (void)
  25 {
  26   int i; /* { dg-line baz_i } */
  27   return &i;
  28 /* { dg-warning "function returns address of local variable" "" { target c } .-1 } */
  29 /* { dg-warning "address of local variable" "" { target c++ } baz_i } */
  30 }