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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/96690] [10/11 Regression] ICE in write_type since r10-6087
Date: Tue, 18 Aug 2020 20:12:11 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96690

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Target Milestone|---                         |10.3
   Last reconfirmed|                            |2020-08-18
                 CC|                            |hubicka at gcc dot gnu.org,
                   |                            |rguenth at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
The problem is that free_lang_data marks the const qualified int type, but =
does
not mark the non-qualified int type and we then later try to mangle somethi=
ng
and ICE during the mangling, where mangler asserts that TYPE_MAIN_VARIANT of
the qualified types it is given are non-qualified (in particular different =
from
the qualified type).=