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" } */ f(struct s2 * p)9int f(struct s2 *p) { return p->s1; } /* { dg-error "incompatible" } */ 10