[Bug middle-end/93829] [10 Regression] bogus -Wstringop-overflow on memcpy of a struct with a pointer member from another with a long string

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93829

--- Comment #2 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/g:1e9369c5dcf301e090d3a83e2c210cd6b96ac08c

commit r10-6959-g1e9369c5dcf301e090d3a83e2c210cd6b96ac08c
Author: Martin Sebor <mse...@redhat.com>
Date:   Sun Mar 1 17:35:49 2020 -0700

    PR middle-end/93829 - bogus -Wstringop-overflow on memcpy of a struct with
a pointer member from another with a long string

    gcc/testsuite/ChangeLog:

        PR middle-end/93829
        * gcc.dg/Wstringop-overflow-32.c: New test.

    gcc/ChangeLog:

        PR middle-end/93829
        * tree-ssa-strlen.c (count_nonzero_bytes): Set the size to that
          of a pointer in the outermost ADDR_EXPRs.