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
f1(enum{AA,BB} E)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
f2(enum{AA=7,BB} E)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
f6(struct z{int b;} c)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 };
enum_in_fun_in_fun(void (* fp)(enum{ AA, BB } e))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
f7()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
f8(struct S{ enum E8 { a, b } o; } p)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
f9(struct{ enum e { a = 1 } b; } c)71 int f9(struct { enum e { a = 1 } b; } c) { // expected-warning {{will not be visible}}
72 return a;
73 }
74
f10(struct S{ enum E10 { a, b, c } f; } e)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
f12()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