[Bug tree-optimization/19832] don't remove an if when we know the value is the same as with the if (subtraction)

"cvs-commit at gcc dot gnu.org via Gcc-bugs" <[email protected]> Sun, 02 Aug 2026 11:54:46 +0000

Newsgroups	gmane.comp.gcc.bugs
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19832

--- Comment #15 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Kael Andrew Franco <[email protected]>:

https://gcc.gnu.org/g:529304e456c9be38139325e3c2567f7d2a93e7c8

commit r17-2887-g529304e456c9be38139325e3c2567f7d2a93e7c8
Author: Kael Andrew Alonzo Franco <[email protected]>
Date:   Sun Aug 2 07:53:46 2026 -0400

    match: Combine two patterns into one for. [PR19832]

    From r14-3606, this reduce genmatch's outputted C++ code.

    Bootstrapped and tested on x86_64-pc-linux-gnu.

            PR tree-optimization/19832

    gcc/ChangeLog:

            * match.pd: Combine two patterns into one for.