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