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 | |