1 // RUN: %clang_cc1 -verify -fsyntax-only -Wno-private-extern %s
2 // RUN: %clang_cc1 -verify -fsyntax-only -Wno-private-extern -fmodules %s
3 
4 static int g0; // expected-note{{previous definition}}
5 int g0; // expected-error{{non-static declaration of 'g0' follows static declaration}}
6 
7 static int g1;
8 extern int g1;
9 
10 static int g2;
11 __private_extern__ int g2;
12 
13 int g3; // expected-note{{previous definition}}
14 static int g3; // expected-error{{static declaration of 'g3' follows non-static declaration}}
15 
16 extern int g4; // expected-note{{previous declaration}}
17 static int g4; // expected-error{{static declaration of 'g4' follows non-static declaration}}
18 
19 __private_extern__ int g5; // expected-note{{previous declaration}}
20 static int g5; // expected-error{{static declaration of 'g5' follows non-static declaration}}
21 
f0()22 void f0() {
23   int g6; // expected-note {{previous}}
24   extern int g6; // expected-error {{extern declaration of 'g6' follows non-extern declaration}}
25 }
26 
f1()27 void f1() {
28   int g7; // expected-note {{previous}}
29   __private_extern__ int g7; // expected-error {{extern declaration of 'g7' follows non-extern declaration}}
30 }
31 
f2()32 void f2() {
33   extern int g8; // expected-note{{previous declaration}}
34   int g8; // expected-error {{non-extern declaration of 'g8' follows extern declaration}}
35 }
36 
f3()37 void 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 
f4()42 void f4() {
43   extern int g10;
44   extern int g10;
45 }
46 
f5()47 void f5() {
48   __private_extern__ int g11;
49   __private_extern__ int g11;
50 }
51 
f6()52 void f6() {
53   // FIXME: Diagnose
54   extern int g12;
55   __private_extern__ int g12;
56 }
57 
f7()58 void f7() {
59   // FIXME: Diagnose
60   __private_extern__ int g13;
61   extern int g13;
62 }
63 
64 struct s0;
f8()65 void f8() {
66   extern struct s0 g14;
67   __private_extern__ struct s0 g14;
68 }
69 struct s0 { int x; };
70 
f9()71 void 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 
77 extern int g17;
78 int g17 = 0;
79 
80 extern int g18 = 0; // expected-warning{{'extern' variable has an initializer}}
81 
82 __private_extern__ int g19;
83 int g19 = 0;
84 
85 __private_extern__ int g20 = 0;
86