ICE in lower_dynamic_init with awaiters that have destructors #181

//options_all:--c++20
#include <coroutine>

struct D { ~D(); };

struct awaiter {
  D d;
  bool await_ready() { return true; }
  void await_suspend(std::coroutine_handle<>) noexcept {}
  int await_resume() { return 0; }
};

struct promise {
  struct task get_return_object();
  std::suspend_never initial_suspend() { return {}; }
  struct final_awaitable : std::suspend_always { D d; };
  final_awaitable final_suspend() noexcept { return {}; }
  void return_void() {}
  void unhandled_exception() {}
};

struct task { using promise_type = promise; };

task f() {
  co_await awaiter{};
}