late-parsing-eager-instantiation.cpp
1.15 KB
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// RUN: %clang_cc1 -std=c++14 -verify %s
// pr33561
class ArrayBuffer;
template <typename T> class Trans_NS_WTF_RefPtr {
public:
ArrayBuffer *operator->() { return nullptr; }
};
Trans_NS_WTF_RefPtr<ArrayBuffer> get();
template <typename _Visitor>
constexpr void visit(_Visitor __visitor) {
__visitor(get()); // expected-note {{in instantiation}}
}
class ArrayBuffer {
char data() {
visit([](auto buffer) -> char { // expected-note {{in instantiation}}
buffer->data();
}); // expected-warning {{non-void lambda does not return a value}}
} // expected-warning {{non-void function does not return a value}}
};
// pr34185
template <typename Promise> struct coroutine_handle {
Promise &promise() const { return
*static_cast<Promise *>(nullptr); // expected-warning {{binding dereferenced null}}
}
};
template <typename Promise> auto GetCurrenPromise() {
struct Awaiter { // expected-note {{in instantiation}}
void await_suspend(coroutine_handle<Promise> h) {
h.promise(); // expected-note {{in instantiation}}
}
};
return Awaiter{};
}
void foo() {
auto &&p = GetCurrenPromise<int>(); // expected-note {{in instantiation}}
}