struct-compat.c revision 708eed500a73a2b85a9f5435efbf57b882339f3d 
1/* RUN: clang %s -fsyntax-only -pedantic -verify
2 */
3
4extern struct {int a;} x; // expected-error{{previous definition is here}}
5extern struct {int a;} x; // expected-error{{redefinition of 'x'}}
6
7struct x;
8int a(struct x* b) {
9// Per C99 6.7.2.3, since the outer and inner "struct x"es have different
10// scopes, they don't refer to the same type, and are therefore incompatible
11struct x {int a;} *c = b; // expected-warning{{incompatible pointer types}}
12}
13
14struct x {int a;} r;
15int b() {
16struct x {char x;} s = r; // expected-error{{incompatible type initializing}}
17}
18