llvm-for-llvmta/tools/clang/test/SemaCXX/decl-init-ref.cpp

48 lines
1.4 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s -Wno-uninitialized
struct A {};
struct BASE {
operator A(); // expected-note {{candidate function}}
};
struct BASE1 {
operator A(); // expected-note {{candidate function}}
};
class B : public BASE , public BASE1
{
public:
B();
} b;
extern B f();
const int& ri = (void)0; // expected-error {{reference to type 'const int' could not bind to an rvalue of type 'void'}}
int main() {
const A& rca = f(); // expected-error {{reference initialization of type 'const A &' with initializer of type 'B' is ambiguous}}
A& ra = f(); // expected-error {{non-const lvalue reference to type 'A' cannot bind to a temporary of type 'B'}}
}
struct PR6139 { A (&x)[1]; };
PR6139 x = {{A()}}; // expected-error{{non-const lvalue reference to type 'A [1]' cannot bind to an initializer list temporary}}
struct PR6139b { A (&x)[1]; };
PR6139b y = {A()}; // expected-error{{non-const lvalue reference to type 'A [1]' cannot bind to a temporary of type 'A'}}
namespace PR16502 {
struct A { int &&temporary; int x, y; };
int f();
const A &c = { 10, ++c.temporary };
}
namespace IncompleteTest {
struct String;
// expected-error@+1 {{reference to incomplete type 'const IncompleteTest::String' could not bind to an lvalue of type 'const char [1]'}}
void takeString(const String& = "") {} // expected-note {{passing argument to parameter here}}
void test() {
takeString();
}
}