gcc/testsuite/gcc.dg/anon-struct-14.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-fplan9-extensions" } */
   3
   4 /* When using Plan 9 extensions, a typedef can conflict with an
   5    anonymous field.  */
   6
   7 typedef struct { int a; } s1;
   8 struct s2 { s1; int s1; };              /* { dg-error "duplicate" } */
   9 int f(struct s2 *p) { return p->s1; }   /* { dg-error "incompatible" } */