https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115049

--- Comment #14 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jonathan Yong <jy...@gcc.gnu.org>:

https://gcc.gnu.org/g:5080840d8fbf25a321dd27543a1462d393d338bc

commit r15-2140-g5080840d8fbf25a321dd27543a1462d393d338bc
Author: LIU Hao <lh_mo...@126.com>
Date:   Mon Jul 15 16:55:52 2024 +0800

    Do not use caller-saved registers for COMDAT functions

    A reference to a COMDAT function may be resolved to another definition
    outside the current translation unit, so it's not eligible for `-fipa-ra`.

    In `decl_binds_to_current_def_p()` there is already a check for weak
    symbols. This commit checks for COMDAT functions that are not implemented
    as weak symbols, for example, on *-*-mingw32.

    gcc/ChangeLog:

            PR rtl-optimization/115049
            * varasm.cc (decl_binds_to_current_def_p): Add a check for COMDAT
            declarations too, like weak ones.

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