[Bug middle-end/100307] [11/12 Regression] spurious -Wplacement-new with negative pointer offset

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100307

--- Comment #4 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:158cdc7bd97d7ccca5bc8adaaf80fe51eacdc038

commit r12-445-g158cdc7bd97d7ccca5bc8adaaf80fe51eacdc038
Author: Martin Sebor <mse...@redhat.com>
Date:   Tue May 4 13:46:37 2021 -0600

    PR middle-end/100307 - spurious -Wplacement-new with negative pointer
offset

    gcc/ChangeLog:

            PR middle-end/100307
            * builtins.c (compute_objsize_r): Clear base0 for pointers.

    gcc/testsuite/ChangeLog:

            PR middle-end/100307
            * g++.dg/warn/Wplacement-new-size-9.C: New test.
            * gcc.dg/tree-ssa/builtin-sprintf-warn-26.c: New test.