llvm-project/clang/test/CodeGenCXX/PR42665.cpp

35 lines
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C++

// RUN: %clang_cc1 -std=c++17 -O0 %s -emit-llvm -o /dev/null -verify -triple %itanium_abi_triple
// RUN: %clang_cc1 -std=c++17 -O0 %s -emit-llvm -o /dev/null -verify -triple %ms_abi_triple
// Minimal reproducer for PR42665.
// expected-no-diagnostics
struct Foo {
Foo() = default;
virtual ~Foo() = default;
};
template <typename Deleter>
struct Pair {
Foo first;
Deleter second;
};
template <typename Deleter>
Pair(Foo, Deleter) -> Pair<Deleter>;
template <typename T>
void deleter(T& t) { t.~T(); }
auto make_pair() {
return Pair{ Foo(), deleter<Foo> };
}
void foobar() {
auto p = make_pair();
auto& f = p.first;
auto& d = p.second;
d(f); // Invoke virtual destructor of Foo through d.
} // p's destructor is invoked.