[Bug ipa/115701] [11/12/13/14 Regression] wrong code at -O1 and above with "-fipa-pta" on x86_64-linux-gnu

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115701

--- Comment #7 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-14 branch has been updated by Richard Biener
<rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:6f74a5f5dc12bc337068f0f6a554d72604488959

commit r14-10437-g6f74a5f5dc12bc337068f0f6a554d72604488959
Author: Richard Biener <rguenther@suse.de>
Date:   Sun Jun 30 11:28:11 2024 +0200

    tree-optimization/115701 - factor out maybe_duplicate_ssa_info_at_copy

    The following factors out the code that preserves SSA info of the LHS
    of a SSA copy LHS = RHS when LHS is about to be eliminated to RHS.

            PR tree-optimization/115701
            * tree-ssanames.h (maybe_duplicate_ssa_info_at_copy): Declare.
            * tree-ssanames.cc (maybe_duplicate_ssa_info_at_copy): New
            function, split out from ...
            * tree-ssa-copy.cc (fini_copy_prop): ... here.
            * tree-ssa-sccvn.cc (eliminate_dom_walker::eliminate_stmt): ...
            and here.

    (cherry picked from commit b5c64b413fd5bc03a1a8ef86d005892071e42cbe)