[Bug rtl-optimization/96298] [11 Regression] wrong code with -O -fno-tree-forwprop

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96298

--- Comment #8 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Roger Sayle <sa...@gcc.gnu.org>:

https://gcc.gnu.org/g:d4b3ea941b1a15cadb79e7ff8a36891131f8804b

commit r11-2296-gd4b3ea941b1a15cadb79e7ff8a36891131f8804b
Author: Roger Sayle <ro...@nextmovesoftware.com>
Date:   Thu Jul 23 18:48:54 2020 +0100

    Resolve regression rtl-optimization/96298.  Sorry for the breakage.

    2020-07-23  Roger Sayle  <ro...@nextmovesoftware.com>

    gcc/ChangeLog
            PR rtl-optimization/96298
            * simplify-rtx.c (simplify_binary_operation_1) [XOR]: Xor doesn't
            distribute over xor, so (a^b)^(c^b) is not the same as (a^c)^b.