[Bug rtl-optimization/116009] [15 regression] ICE when building cython-3.0.10 on arm64 for Python 3.12 (insert_def_after, at rtl-ssa/accesses.cc:622)

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116009

--- Comment #9 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The trunk branch has been updated by Richard Sandiford <rsand...@gcc.gnu.org>:

https://gcc.gnu.org/g:34f33ea801563e2eabb348e8d3e9344a91abfd48

commit r15-2199-g34f33ea801563e2eabb348e8d3e9344a91abfd48
Author: Richard Sandiford <richard.sandif...@arm.com>
Date:   Mon Jul 22 16:42:16 2024 +0100

    rtl-ssa: Avoid using a stale splay tree root [PR116009]

    In the fix for PR115928, I'd failed to notice that "root" was used
    later in the function, so needed to be updated.

    gcc/
            PR rtl-optimization/116009
            * rtl-ssa/accesses.cc (function_info::add_def): Set the root
            local variable after removing the old clobber group.

    gcc/testsuite/
            PR rtl-optimization/116009
            * gcc.c-torture/compile/pr116009.c: New test.