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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug symtab/30810] [gdb/symtab, stabs] gdbtypes.c:5596:
 internal-error: Unexpected type field location kind: 6
Date: Thu, 31 Aug 2023 07:37:57 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D30810

--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gn=
u.org> ---
The master branch has been updated by Tom de Vries <vries@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=3Dbinutils-gdb.git;h=3D0b8b932dce26=
ef8e907b3b3c06b01a99420245fe

commit 0b8b932dce26ef8e907b3b3c06b01a99420245fe
Author: Tom de Vries <tdevries@suse.de>
Date:   Thu Aug 31 09:37:44 2023 +0200

    [gdb/symtab] Fix uninitialized memory in
buildsym_compunit::finish_block_internal

    When running test-case gdb.dwarf2/per-bfd-sharing.exp with target board
stabs,
    gdb either segfaults or asserts due to reading uninitialized memory,
allocated
    here in buildsym_compunit::finish_block_internal:
    ...
                  ftype->set_fields
                    ((struct field *)
                     TYPE_ALLOC (ftype, nparams * sizeof (struct field)));
    ...

    Fix this by using TYPE_ZALLOC instead.

    Tested on x86_64-linux.

    Approved-By: Tom Tromey <tom@tromey.com>

    PR symtab/30810
    Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=3D30810

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