[Bug bootstrap/101374] [12 Regression] bootstrap failure varpool.c:490:19: error: array subscript 'varpool_node[0]' is partly outside array bounds of 'varpool_node [0]' [-Werror=array-bounds]

["cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101374

--- Comment #10 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Martin Sebor <msebor@gcc.gnu.org>:

https://gcc.gnu.org/g:9bf9f27ac6db4823628c435da9b242fd82bf8d68

commit r12-2171-g9bf9f27ac6db4823628c435da9b242fd82bf8d68
Author: Martin Sebor <msebor@redhat.com>
Date:   Thu Jul 8 11:34:27 2021 -0600

    Use Object Size Type zero for -Warray-bounds [PR101374].

    Resolves:
    PR bootstrap/101374 - -Warray-bounds accessing a member subobject as
derived

    gcc/cp/ChangeLog:
            PR bootstrap/101374
            * module.cc (module_state::read_macro_maps): Temporarily disable
            -Warray-bounds.
            (module_state::install_macros): Same.

    gcc/ChangeLog:
            PR bootstrap/101374
            * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref):
            Use Object Size Type 0 instead of 1.

    gcc/testsuite/ChangeLog:
            PR bootstrap/101374
            * c-c++-common/Warray-bounds-3.c: Xfail assertion.
            * c-c++-common/Warray-bounds-4.c: Same.