[Bug tree-optimization/93213] [10 Regression] wrong code with -Og -foptimize-strlen

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93213

--- Comment #6 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Martin Sebor <mse...@gcc.gnu.org>:

https://gcc.gnu.org/git/gitweb.cgi?p=gcc.git;h=e13f37d9f7600d337f8a4589b5f985ded9e05852

commit r10-5917-ge13f37d9f7600d337f8a4589b5f985ded9e05852
Author: Martin Sebor <mse...@redhat.com>
Date:   Mon Jan 13 13:20:41 2020 +0000

    PR tree-optimization/93213 - wrong code with -Og -foptimize-strlen

    gcc/testsuite/ChangeLog:

        PR tree-optimization/93213
        * gcc.c-torture/execute/pr93213.c: New test.

    gcc/ChangeLog:

        PR tree-optimization/93213
        * tree-ssa-strlen.c (handle_store): Only allow single-byte nul-over-nul
        stores to be eliminated.