llvm-project/clang/test/SemaCXX/warn-self-move.cpp

56 lines
1.5 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -Wself-move -std=c++11 -verify %s
// definitions for std::move
namespace std {
inline namespace foo {
template <class T> struct remove_reference { typedef T type; };
template <class T> struct remove_reference<T&> { typedef T type; };
template <class T> struct remove_reference<T&&> { typedef T type; };
template <class T> typename remove_reference<T>::type &&move(T &&t);
}
}
void int_test() {
int x = 5;
x = std::move(x); // expected-warning{{explicitly moving}}
(x) = std::move(x); // expected-warning{{explicitly moving}}
using std::move;
x = move(x); // expected-warning{{explicitly moving}}
}
int global;
void global_int_test() {
global = std::move(global); // expected-warning{{explicitly moving}}
(global) = std::move(global); // expected-warning{{explicitly moving}}
using std::move;
global = move(global); // expected-warning{{explicitly moving}}
}
class field_test {
int x;
field_test(field_test&& other) {
x = std::move(x); // expected-warning{{explicitly moving}}
x = std::move(other.x);
other.x = std::move(x);
other.x = std::move(other.x); // expected-warning{{explicitly moving}}
}
};
struct A {};
struct B { A a; };
struct C { C() {}; ~C() {} };
void struct_test() {
A a;
a = std::move(a); // expected-warning{{explicitly moving}}
B b;
b = std::move(b); // expected-warning{{explicitly moving}}
b.a = std::move(b.a); // expected-warning{{explicitly moving}}
C c;
c = std::move(c); // expected-warning{{explicitly moving}}
}