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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug lto/112732] during IPA pass: *free_lang_data ICE: 'verify_type'
 failed: type variant with 'TYPE_ALIAS_SET_KNOWN_P' with -Os
 -Wstrict-aliasing=2 -flto
Date: Tue, 28 Nov 2023 15:58:47 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D112732

--- Comment #3 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:f26d68d5d128c86faaceeb81b1e8f22254ad53df

commit r14-5934-gf26d68d5d128c86faaceeb81b1e8f22254ad53df
Author: Richard Biener <rguenther@suse.de>
Date:   Tue Nov 28 12:36:21 2023 +0100

    middle-end/112732 - stray TYPE_ALIAS_SET in type variant

    The following fixes a stray TYPE_ALIAS_SET in a type variant built
    by build_opaque_vector_type which is diagnosed by type checking
    enabled with -flto.

            PR middle-end/112732
            * tree.cc (build_opaque_vector_type): Reset TYPE_ALIAS_SET
            of the newly built type.=