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From: "pkeir at outlook dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/110714] constexpr lifetime error: base class this pointer
Date: Tue, 18 Jul 2023 13:16:07 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110714

--- Comment #3 from Paul Keir <pkeir at outlook dot com> ---
Actually, there's no need here to delete through the base pointer; so this =
is
perhaps simpler:

struct Base
{
  constexpr Base* get_this() { return this; }
  int x;
};

struct Derived : public Base {};

constexpr bool test()
{
  Derived* pf =3D new Derived;

  delete static_cast<Derived*>(pf->get_this());

  return true;
}

constexpr bool b =3D test();=