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// RUN: %clang_cc1 -fsyntax-only -verify %s
extern "C" {
extern "C" void f(int);
}
extern "C++" {
extern "C++" int& g(int);
float& g();
}
double& g(double);
void test(int x, double d) {
f(x);
float &f1 = g();
int& i1 = g(x);
double& d1 = g(d);
}
extern "C" int foo;
extern "C" int foo;
extern "C" const int bar;
extern "C" int const bar;
// <rdar://problem/6895431>
extern "C" struct bar d;
extern struct bar e;
extern "C++" {
namespace N0 {
struct X0 {
int foo(int x) { return x; }
};
}
}
// PR5430
namespace pr5430 {
extern "C" void func(void);
}
using namespace pr5430;
extern "C" void pr5430::func(void) { }
// PR5404
int f2(char *)
{
return 0;
}
extern "C"
{
int f2(int)
{
return f2((char *)0);
}
}
// PR6991
extern "C" typedef int (*PutcFunc_t)(int);
// PR7859
extern "C" void pr7859_a(int) {} // expected-note {{previous definition}}
extern "C" void pr7859_a(int) {} // expected-error {{redefinition}}
extern "C" void pr7859_b() {} // expected-note {{previous definition}}
extern "C" void pr7859_b(int) {} // expected-error {{conflicting}}
extern "C" void pr7859_c(short) {} // expected-note {{previous definition}}
extern "C" void pr7859_c(int) {} // expected-error {{conflicting}}
// <rdar://problem/8318976>
extern "C" {
struct s0 {
private:
s0();
s0(const s0 &);
};
}
//PR7754
extern "C++" template <class T> int pr7754(T param);
namespace N {
int value;
}
extern "C++" using N::value;
// PR7076
extern "C" const char *Version_string = "2.9";
namespace PR9162 {
extern "C" {
typedef struct _ArtsSink ArtsSink;
struct _ArtsSink {
int sink;
};
}
int arts_sink_get_type()
{
return sizeof(ArtsSink);
}
}
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