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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/109241] [12/13/14 Regression] ICE Segmentation fault for
 statement expression with a local type inside inside a generic lambda inside
 a generic lambda since r13-6722-gb323f52ccf966800
Date: Mon, 15 May 2023 07:54:17 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109241

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[12/13 Regression] ICE      |[12/13/14 Regression] ICE
                   |Segmentation fault for      |Segmentation fault for
                   |statement expression with a |statement expression with a
                   |local type inside inside a  |local type inside inside a
                   |generic lambda inside a     |generic lambda inside a
                   |generic lambda since        |generic lambda since
                   |r13-6722-gb323f52ccf966800  |r13-6722-gb323f52ccf966800
                 CC|                            |rguenth at gcc dot gnu.org

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Marek Polacek from comment #5)
> In GCC 12 this test still ICEs:
>=20
> template<class T>
> void foo(T) {
>     [](auto){
>         [] {
>             struct X {};
>         };
>     };
> }
>=20
> template void foo(int);

How so?  I can't reproduce.  Likewise for PR109850.  Is trunk actually fixe=
d?
Please update known-to-work.=