1// RUN: %clang_cc1 -verify -fsyntax-only -Wno-private-extern %s
2// RUN: %clang_cc1 -verify -fsyntax-only -Wno-private-extern -fmodules %s
3
4static int g0; // expected-note{{previous definition}}
5int g0; // expected-error{{non-static declaration of 'g0' follows static declaration}}
6
7static int g1;
8extern int g1;
9
10static int g2;
11__private_extern__ int g2;
12
13int g3; // expected-note{{previous definition}}
14static int g3; // expected-error{{static declaration of 'g3' follows non-static declaration}}
15
16extern int g4; // expected-note{{previous declaration}}
17static int g4; // expected-error{{static declaration of 'g4' follows non-static declaration}}
18
19__private_extern__ int g5; // expected-note{{previous declaration}}
20static int g5; // expected-error{{static declaration of 'g5' follows non-static declaration}}
21
22void f0() {
23  int g6; // expected-note {{previous}}
24  extern int g6; // expected-error {{extern declaration of 'g6' follows non-extern declaration}}
25}
26
27void f1() {
28  int g7; // expected-note {{previous}}
29  __private_extern__ int g7; // expected-error {{extern declaration of 'g7' follows non-extern declaration}}
30}
31
32void f2() {
33  extern int g8; // expected-note{{previous declaration}}
34  int g8; // expected-error {{non-extern declaration of 'g8' follows extern declaration}}
35}
36
37void f3() {
38  __private_extern__ int g9; // expected-note{{previous declaration}}
39  int g9; // expected-error {{non-extern declaration of 'g9' follows extern declaration}}
40}
41
42void f4() {
43  extern int g10;
44  extern int g10;
45}
46
47void f5() {
48  __private_extern__ int g11;
49  __private_extern__ int g11;
50}
51
52void f6() {
53  // FIXME: Diagnose
54  extern int g12;
55  __private_extern__ int g12;
56}
57
58void f7() {
59  // FIXME: Diagnose
60  __private_extern__ int g13;
61  extern int g13;
62}
63
64struct s0;
65void f8() {
66  extern struct s0 g14;
67  __private_extern__ struct s0 g14;
68}
69struct s0 { int x; };
70
71void f9() {
72  extern int g15 = 0; // expected-error{{'extern' variable cannot have an initializer}}
73  // FIXME: linkage specifier in warning.
74  __private_extern__ int g16 = 0; // expected-error{{'extern' variable cannot have an initializer}}
75}
76
77extern int g17;
78int g17 = 0;
79
80extern int g18 = 0; // expected-warning{{'extern' variable has an initializer}}
81
82__private_extern__ int g19;
83int g19 = 0;
84
85__private_extern__ int g20 = 0;
86