llvm-project/clang/test/SemaCXX/extern-c.cpp

59 lines
1.4 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -verify %s
namespace test1 {
extern "C" {
void f() {
void test1_g(int); // expected-note {{previous declaration is here}}
}
}
}
int test1_g(int); // expected-error {{functions that differ only in their return type cannot be overloaded}}
namespace test2 {
extern "C" {
void f() {
extern int test2_x; // expected-note {{previous definition is here}}
}
}
}
float test2_x; // expected-error {{redefinition of 'test2_x' with a different type: 'float' vs 'int'}}
namespace test3 {
extern "C" {
void f() {
extern int test3_b; // expected-note {{previous definition is here}}
}
}
extern "C" {
float test3_b; // expected-error {{redefinition of 'test3_b' with a different type: 'float' vs 'int'}}
}
}
extern "C" {
void test4_f() {
extern int test4_b; // expected-note {{previous definition is here}}
}
}
static float test4_b; // expected-error {{redefinition of 'test4_b' with a different type: 'float' vs 'int'}}
extern "C" {
void test5_f() {
extern int test5_b; // expected-note {{previous definition is here}}
}
}
extern "C" {
static float test5_b; // expected-error {{redefinition of 'test5_b' with a different type: 'float' vs 'int'}}
}
extern "C" {
void f() {
extern int test6_b;
}
}
namespace foo {
extern "C" {
static float test6_b;
extern float test6_b;
}
}