| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
| 2 | |
| 3 | #define SA(n, c) int arr##n[(c) ? 1 : -1] = {} |
| 4 | |
| 5 | const int AA = 5; |
| 6 | |
| 7 | int f1(enum {AA,BB} E) { // expected-warning {{will not be visible outside of this function}} |
| 8 | SA(1, AA == 0); |
| 9 | SA(2, BB == 1); |
| 10 | return BB; |
| 11 | } |
| 12 | |
| 13 | int f2(enum {AA=7,BB} E) { // expected-warning {{will not be visible outside of this function}} |
| 14 | SA(1, AA == 7); |
| 15 | SA(2, BB == 8); |
| 16 | return AA; |
| 17 | } |
| 18 | |
| 19 | struct a { |
| 20 | }; |
| 21 | |
| 22 | int f3(struct a { } *); // expected-warning {{will not be visible outside of this function}} |
| 23 | |
| 24 | struct A { struct b { int j; } t; }; // expected-note {{previous definition is here}} |
| 25 | |
| 26 | int f4(struct A { struct b { int j; } t; } *); // expected-warning {{declaration of 'struct A' will not be visible outside of this function}} expected-warning {{redefinition of 'b' will not be visible outside of this function}} |
| 27 | |
| 28 | struct aA { |
| 29 | struct ab { // expected-note {{previous definition is here}} expected-note {{previous definition is here}} |
| 30 | int j; |
| 31 | } b; |
| 32 | }; |
| 33 | |
| 34 | int f5(struct aA { struct ab { int j; } b; struct ab { char glorx; } glorx; } *); // expected-warning {{declaration of 'struct aA' will not be visible}} expected-warning {{redefinition of 'ab' will not be visible}} expected-warning {{redefinition of 'ab' will not be visible}} |
| 35 | |
| 36 | void f6(struct z {int b;} c) { // expected-warning {{declaration of 'struct z' will not be visible outside of this function}} |
| 37 | struct z d; |
| 38 | d.b = 4; |
| 39 | } |
| 40 | |
| 41 | void pr19018_1 (enum e19018 { qq } x); // expected-warning{{declaration of 'enum e19018' will not be visible outside of this function}} |
| 42 | enum e19018 qq; //expected-error{{tentative definition has type 'enum e19018' that is never completed}} \ |
| 43 | //expected-note{{forward declaration of 'enum e19018'}} |
| 44 | |
| 45 | // Only warn once, even if we create two declarations. |
| 46 | void f(struct q *, struct __attribute__((aligned(4))) q *); // expected-warning {{will not be visible outside}} |
| 47 | |
| 48 | // This enum inside the function pointer parameter shouldn't leak into the |
| 49 | // function. |
| 50 | enum { BB = 0 }; |
| 51 | void enum_in_fun_in_fun(void (*fp)(enum { AA, BB } e)) { // expected-warning {{will not be visible}} |
| 52 | SA(1, AA == 5); |
| 53 | SA(2, BB == 0); |
| 54 | } |
| 55 | |
| 56 | void f7() { |
| 57 | extern void ext(struct S { enum E7 { a, b } o; } p); // expected-warning 2 {{will not be visible}} |
| 58 | ext(a); // expected-error {{use of undeclared identifier}} |
| 59 | } |
| 60 | |
| 61 | int f8(struct S { enum E8 { a, b } o; } p) { // expected-warning 2 {{will not be visible}} |
| 62 | struct S o; |
| 63 | enum E8 x; |
| 64 | return a + b; |
| 65 | } |
| 66 | // expected-note@+1 {{forward declaration}} |
| 67 | struct S o; // expected-error {{'struct S' that is never completed}} |
| 68 | // expected-note@+1 {{forward declaration}} |
| 69 | enum E8 x = a + b; // expected-error 2 {{undeclared identifier}} expected-error {{incomplete type 'enum E8'}} |
| 70 | |
| 71 | int f9(struct { enum e { a = 1 } b; } c) { // expected-warning {{will not be visible}} |
| 72 | return a; |
| 73 | } |
| 74 | |
| 75 | int f10( |
| 76 | struct S { // expected-warning {{will not be visible}} |
| 77 | enum E10 { a, b, c } f; // expected-warning {{will not be visible}} |
| 78 | } e) { |
| 79 | return a == b; |
| 80 | } |
| 81 | |
| 82 | int f11( |
| 83 | struct S { // expected-warning {{will not be visible}} |
| 84 | enum E11 { // expected-warning {{will not be visible}} |
| 85 | a, b, c |
| 86 | } // expected-warning {{expected ';' at end of declaration list}} |
| 87 | } // expected-error {{expected member name or ';'}} |
| 88 | e); |
| 89 | |
| 90 | void f12() { |
| 91 | extern int ext12( |
| 92 | struct S12 { } e // expected-warning {{will not be visible}} |
| 93 | ); |
| 94 | struct S12 o; // expected-error {{incomplete type}} expected-note {{forward declaration}} |
| 95 | } |
| 96 | |