gcc/testsuite/gcc.dg/m-un-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-W -Wall" } */
   3
   4 typedef __SIZE_TYPE__ size_t;
   5 extern void* malloc (size_t);
   6 extern void free (void*);
   7 extern void* realloc (void*, size_t);
   8
   9 struct vtable {
  10   void* (* _malloc) (size_t);
  11   void (* _free) (void*);
  12   void* (* _realloc) (void*, size_t); /* { dg-line vtable_realloc } */
  13 };
  14
  15 struct vtable mtable = {
  16   malloc,
  17   free
  18 }; /* { dg-warning "missing initializer" "warning regression" } */
  19    /* { dg-message "declared here" "warning regression 2" { target *-*-* } vtable_realloc } */
  20
  21 /* With designated initializers, we assume you meant to leave out the
  22    initialization of any blank fields.  */
  23 struct vtable mtable2 = {
  24   ._malloc = malloc,
  25   ._realloc = realloc
  26 };
  27
  28 struct vtable mtable3 = {
  29   ._free = free,
  30   ._malloc = malloc,
  31   ._realloc = realloc
  32 };