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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/31524] Can't start program in Lazarus/fpc with activated
 debugging
Date: Thu, 28 Mar 2024 22:31:29 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D31524

--- Comment #14 from Sourceware Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Tom Tromey <tromey@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=3Dbinutils-gdb.git;h=3Dedada1692cc4=
558138756eea99532d83b7b894e0

commit edada1692cc4558138756eea99532d83b7b894e0
Author: Tom Tromey <tom@tromey.com>
Date:   Wed Mar 27 10:34:46 2024 -0600

    Make pascal_language::print_type handle varstring=3D=3Dnullptr

    PR gdb/31524 points out a crash when pascal_language::print_type is
    called with varstring=3D=3Dnullptr.  This crash is a regression arising
    from the printf/pager rewrite -- that indirectly removed a NULL check
    from gdb's "puts".

    This patch instead fixes the problem by adding a check to print_type.
    Passing nullptr here seems to be expected in other places (e.g., there
    is a call to type_print like this in expprint.c), and other
    implementations of this method (or related helpers) explicitly check
    for NULL.

    I didn't write a test case for this because it seemed like overkill
    for a Pascal bug that only occurs with -i=3Dmi.  However, if you want
    one, let me know and I will do it.

    Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=3D31524
    Approved-By: John Baldwin <jhb@FreeBSD.org>

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