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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/97790] constexpr evaluation reports false positive memory
 leak
Date: Wed, 11 Nov 2020 12:22:01 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97790

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jakub at gcc dot gnu.org

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
The lambda, or templates aren't needed for that.
struct S
{
  int *d;
  int n;
  constexpr S () : d(new int[1]{}), n(1) {}
  constexpr ~S () { delete [] d; }
};

constexpr S
foo ()
{
  return S ();
}

constexpr int
bar ()
{
  return foo ().n;
}

constexpr int
baz ()
{
  return S ().n;
}

constexpr int a =3D baz ();
constexpr int b =3D bar ();=