[Bug tree-optimization/112706] missed simplification in FRE

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112706

--- Comment #6 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:d9abaa8d58f5729925b1db735d4723a9ea825eaa

commit r14-5872-gd9abaa8d58f5729925b1db735d4723a9ea825eaa
Author: Richard Biener <rguenther@suse.de>
Date:   Mon Nov 27 09:45:04 2023 +0100

    tree-optimization/112706 - missed simplification of condition

    We lack a match.pd pattern recognizing ptr + o ==/!= ptr + o'.
    The following extends handling we have for integral types to
    pointers.

            PR tree-optimization/112706
            * match.pd (ptr + o ==/!=/- ptr + o'): New patterns.

            * gcc.dg/tree-ssa/pr112706.c: New testcase.