1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -verify -fsyntax-only -Wno-private-extern %s 2*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -verify -fsyntax-only -Wno-private-extern -fmodules %s 3*f4a2713aSLionel Sambuc 4*f4a2713aSLionel Sambuc static int g0; // expected-note{{previous definition}} 5*f4a2713aSLionel Sambuc int g0; // expected-error{{non-static declaration of 'g0' follows static declaration}} 6*f4a2713aSLionel Sambuc 7*f4a2713aSLionel Sambuc static int g1; 8*f4a2713aSLionel Sambuc extern int g1; 9*f4a2713aSLionel Sambuc 10*f4a2713aSLionel Sambuc static int g2; 11*f4a2713aSLionel Sambuc __private_extern__ int g2; 12*f4a2713aSLionel Sambuc 13*f4a2713aSLionel Sambuc int g3; // expected-note{{previous definition}} 14*f4a2713aSLionel Sambuc static int g3; // expected-error{{static declaration of 'g3' follows non-static declaration}} 15*f4a2713aSLionel Sambuc 16*f4a2713aSLionel Sambuc extern int g4; // expected-note{{previous definition}} 17*f4a2713aSLionel Sambuc static int g4; // expected-error{{static declaration of 'g4' follows non-static declaration}} 18*f4a2713aSLionel Sambuc 19*f4a2713aSLionel Sambuc __private_extern__ int g5; // expected-note{{previous definition}} 20*f4a2713aSLionel Sambuc static int g5; // expected-error{{static declaration of 'g5' follows non-static declaration}} 21*f4a2713aSLionel Sambuc 22*f4a2713aSLionel Sambuc void f0() { 23*f4a2713aSLionel Sambuc int g6; // expected-note {{previous}} 24*f4a2713aSLionel Sambuc extern int g6; // expected-error {{extern declaration of 'g6' follows non-extern declaration}} 25*f4a2713aSLionel Sambuc } 26*f4a2713aSLionel Sambuc 27*f4a2713aSLionel Sambuc void f1() { 28*f4a2713aSLionel Sambuc int g7; // expected-note {{previous}} 29*f4a2713aSLionel Sambuc __private_extern__ int g7; // expected-error {{extern declaration of 'g7' follows non-extern declaration}} 30*f4a2713aSLionel Sambuc } 31*f4a2713aSLionel Sambuc 32*f4a2713aSLionel Sambuc void f2() { 33*f4a2713aSLionel Sambuc extern int g8; // expected-note{{previous definition}} 34*f4a2713aSLionel Sambuc int g8; // expected-error {{non-extern declaration of 'g8' follows extern declaration}} 35*f4a2713aSLionel Sambuc } 36*f4a2713aSLionel Sambuc 37*f4a2713aSLionel Sambuc void f3() { 38*f4a2713aSLionel Sambuc __private_extern__ int g9; // expected-note{{previous definition}} 39*f4a2713aSLionel Sambuc int g9; // expected-error {{non-extern declaration of 'g9' follows extern declaration}} 40*f4a2713aSLionel Sambuc } 41*f4a2713aSLionel Sambuc 42*f4a2713aSLionel Sambuc void f4() { 43*f4a2713aSLionel Sambuc extern int g10; 44*f4a2713aSLionel Sambuc extern int g10; 45*f4a2713aSLionel Sambuc } 46*f4a2713aSLionel Sambuc 47*f4a2713aSLionel Sambuc void f5() { 48*f4a2713aSLionel Sambuc __private_extern__ int g11; 49*f4a2713aSLionel Sambuc __private_extern__ int g11; 50*f4a2713aSLionel Sambuc } 51*f4a2713aSLionel Sambuc 52*f4a2713aSLionel Sambuc void f6() { 53*f4a2713aSLionel Sambuc // FIXME: Diagnose 54*f4a2713aSLionel Sambuc extern int g12; 55*f4a2713aSLionel Sambuc __private_extern__ int g12; 56*f4a2713aSLionel Sambuc } 57*f4a2713aSLionel Sambuc 58*f4a2713aSLionel Sambuc void f7() { 59*f4a2713aSLionel Sambuc // FIXME: Diagnose 60*f4a2713aSLionel Sambuc __private_extern__ int g13; 61*f4a2713aSLionel Sambuc extern int g13; 62*f4a2713aSLionel Sambuc } 63*f4a2713aSLionel Sambuc 64*f4a2713aSLionel Sambuc struct s0; 65*f4a2713aSLionel Sambuc void f8() { 66*f4a2713aSLionel Sambuc extern struct s0 g14; 67*f4a2713aSLionel Sambuc __private_extern__ struct s0 g14; 68*f4a2713aSLionel Sambuc } 69*f4a2713aSLionel Sambuc struct s0 { int x; }; 70*f4a2713aSLionel Sambuc 71*f4a2713aSLionel Sambuc void f9() { 72*f4a2713aSLionel Sambuc extern int g15 = 0; // expected-error{{'extern' variable cannot have an initializer}} 73*f4a2713aSLionel Sambuc // FIXME: linkage specifier in warning. 74*f4a2713aSLionel Sambuc __private_extern__ int g16 = 0; // expected-error{{'extern' variable cannot have an initializer}} 75*f4a2713aSLionel Sambuc } 76*f4a2713aSLionel Sambuc 77*f4a2713aSLionel Sambuc extern int g17; 78*f4a2713aSLionel Sambuc int g17 = 0; 79*f4a2713aSLionel Sambuc 80*f4a2713aSLionel Sambuc extern int g18 = 0; // expected-warning{{'extern' variable has an initializer}} 81*f4a2713aSLionel Sambuc 82*f4a2713aSLionel Sambuc __private_extern__ int g19; 83*f4a2713aSLionel Sambuc int g19 = 0; 84*f4a2713aSLionel Sambuc 85*f4a2713aSLionel Sambuc __private_extern__ int g20 = 0; 86