gcc/testsuite/gcc.dg/pr91134.c

   1 /* PR c/91134 */
   2 /* { dg-options "-fdiagnostics-show-caret" } */
   3
   4 struct X { int member; } x;
   5 struct Y { struct X **x; } y;
   6
   7 int
   8 foo (void)
   9 {
  10   struct X *pointer = &x;
  11   struct Y *yp = &y;
  12   struct X **pointerpointer = &pointer;
  13   int i = *pointerpointer->member;      /* { dg-error "'pointerpointer' is a pointer to pointer; did you mean to dereference it before applying '->' to it\\\?" } */
  14 /* { dg-begin-multiline-output "" }
  15    int i = *pointerpointer->member;
  16                           ^~
  17             (*            )
  18    { dg-end-multiline-output "" } */
  19   int j = pointer.member;               /* { dg-error "'pointer' is a pointer; did you mean to use '->'\\\?" } */
  20 /* { dg-begin-multiline-output "" }
  21    int j = pointer.member;
  22                   ^
  23                   ->
  24    { dg-end-multiline-output "" } */
  25   int k = yp->x->member;                /* { dg-error "'yp->x' is a pointer to pointer; did you mean to dereference it before applying '->' to it\\\?" } */
  26 /* { dg-begin-multiline-output "" }
  27    int k = yp->x->member;
  28                 ^~
  29            (*   )
  30    { dg-end-multiline-output "" } */
  31   return i + j + k;
  32 }