private-extern.c
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// RUN: %clang_cc1 -verify -fsyntax-only -Wno-private-extern %s
// RUN: %clang_cc1 -verify -fsyntax-only -Wno-private-extern -fmodules %s
static int g0; // expected-note{{previous definition}}
int g0; // expected-error{{non-static declaration of 'g0' follows static declaration}}
static int g1;
extern int g1;
static int g2;
__private_extern__ int g2;
int g3; // expected-note{{previous definition}}
static int g3; // expected-error{{static declaration of 'g3' follows non-static declaration}}
extern int g4; // expected-note{{previous declaration}}
static int g4; // expected-error{{static declaration of 'g4' follows non-static declaration}}
__private_extern__ int g5; // expected-note{{previous declaration}}
static int g5; // expected-error{{static declaration of 'g5' follows non-static declaration}}
void f0() {
int g6; // expected-note {{previous}}
extern int g6; // expected-error {{extern declaration of 'g6' follows non-extern declaration}}
}
void f1() {
int g7; // expected-note {{previous}}
__private_extern__ int g7; // expected-error {{extern declaration of 'g7' follows non-extern declaration}}
}
void f2() {
extern int g8; // expected-note{{previous declaration}}
int g8; // expected-error {{non-extern declaration of 'g8' follows extern declaration}}
}
void f3() {
__private_extern__ int g9; // expected-note{{previous declaration}}
int g9; // expected-error {{non-extern declaration of 'g9' follows extern declaration}}
}
void f4() {
extern int g10;
extern int g10;
}
void f5() {
__private_extern__ int g11;
__private_extern__ int g11;
}
void f6() {
// FIXME: Diagnose
extern int g12;
__private_extern__ int g12;
}
void f7() {
// FIXME: Diagnose
__private_extern__ int g13;
extern int g13;
}
struct s0;
void f8() {
extern struct s0 g14;
__private_extern__ struct s0 g14;
}
struct s0 { int x; };
void f9() {
extern int g15 = 0; // expected-error{{'extern' variable cannot have an initializer}}
// FIXME: linkage specifier in warning.
__private_extern__ int g16 = 0; // expected-error{{'extern' variable cannot have an initializer}}
}
extern int g17;
int g17 = 0;
extern int g18 = 0; // expected-warning{{'extern' variable has an initializer}}
__private_extern__ int g19;
int g19 = 0;
__private_extern__ int g20 = 0;