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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 debug/112718] [11/12 Regression] ICE: in add_dwarf_attr, at
 dwarf2out.cc:4501 with -g -fdebug-types-section -flto -ffat-lto-objects
Date: Fri, 17 May 2024 11:12:00 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D112718

--- Comment #6 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-12 branch has been updated by Richard Biener
<rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:1f41e8eef3da1d76c18fe1a93846054c53dc5a47

commit r12-10453-g1f41e8eef3da1d76c18fe1a93846054c53dc5a47
Author: Richard Biener <rguenther@suse.de>
Date:   Mon Jan 22 15:42:59 2024 +0100

    debug/112718 - reset all type units with -ffat-lto-objects

    When mixing -flto, -ffat-lto-objects and -fdebug-type-section we
    fail to reset all type units after early output resulting in an
    ICE when attempting to add then duplicate sibling attributes.

            PR debug/112718
            * dwarf2out.cc (dwarf2out_finish): Reset all type units
            for the fat part of an LTO compile.

            * gcc.dg/debug/pr112718.c: New testcase.

    (cherry picked from commit 7218f5050cb7163edae331f54ca163248ab48bfa)=