| 1 | /* RUN: %clang_cc1 %s -fsyntax-only -pedantic -verify |
|---|
| 2 | */ |
|---|
| 3 | |
|---|
| 4 | extern struct {int a;} x; // expected-note {{previous declaration is here}} |
|---|
| 5 | extern struct {int a;} x; // expected-error {{redeclaration of 'x'}} |
|---|
| 6 | |
|---|
| 7 | struct x; |
|---|
| 8 | int 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 |
|---|
| 11 | struct x {int a;} *c = b; // expected-warning {{incompatible pointer types}} |
|---|
| 12 | } |
|---|
| 13 | |
|---|
| 14 | struct x {int a;} r; |
|---|
| 15 | int b() { |
|---|
| 16 | struct x {char x;} s = r; // expected-error {{initializing 'struct x' with an expression of incompatible type 'struct x'}} |
|---|
| 17 | } |
|---|
| 18 | |
|---|