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[Bug build/25097] new -Warray-bounds with GCC 10


https://sourceware.org/bugzilla/show_bug.cgi?id=25097

--- Comment #9 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Florian Weimer <fw@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=70c6e15654928c603c6d24bd01cf62e7a8e2ce9b

commit 70c6e15654928c603c6d24bd01cf62e7a8e2ce9b
Author: Florian Weimer <fweimer@redhat.com>
Date:   Sun Nov 3 11:39:56 2019 +0100

    Redefine _IO_iconv_t to store a single gconv step pointer [BZ #25097]

    libio can only deal with gconv conversions which consist of a single
    step.  Not using __gconv_info simplifies the data structures somewhat.

    This eliminates a new GCC 10 warning about subscribing an inner
    zero-length array.

    Tested on x86_64-linux-gnu with mainline GCC.  Built with
    build-many-glibcs.py, also with mainline GCC.  Due to GCC PR 92039,
    there are failures left on 32-bit architectures with float128 support.

    Change-Id: I8b4c489b619a53154712ff32e1b6f13bb92d4203

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