gcc/testsuite/gcc.dg/anon-struct-15.c

   1 /* Test diagnostics for duplicate field names involving anonymous
   2    struct or union as first field.  PR 46889.  */
   3 /* { dg-do compile } */
   4 /* { dg-options "" } */
   5
   6 struct foo {
   7   union {
   8     struct {
   9       unsigned long time_stamp;
  10     };
  11     struct {
  12       int *page;
  13     };
  14   };
  15   int *page; /* { dg-error "duplicate member" } */
  16 };