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Subject: [Bug testsuite/27691] FAIL: gdb.threads/gcore-thread.exp: core0file:
 re-load generated corefile
Date: Tue, 06 Apr 2021 08:40:16 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D27691

--- 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=3D043bcbaf818f=
0f699ff223064f3e46ee29b9cb69

commit 043bcbaf818f0f699ff223064f3e46ee29b9cb69
Author: Tom de Vries <tdevries@suse.de>
Date:   Tue Apr 6 10:40:11 2021 +0200

    [gdb/testsuite] Fix xfail handling in gdb.threads/gcore-thread.exp

    When running test-case gdb.threads/gcore-thread.exp on openSUSE Tumblew=
eed,
    I run into these XFAILs:
    ...
    XFAIL: gdb.threads/gcore-thread.exp: clear __stack_user.next
    XFAIL: gdb.threads/gcore-thread.exp: clear stack_used.next
    ...

    Apart from the xfail, the test-case also sets core0file to "":
    ...
            -re "No symbol \"${symbol}\" in current context\\.\r\n$gdb_prom=
pt
$" {
                xfail $test
                # Do not do the verification.
                set core0file ""
            }
    ...

    After which we run into this FAIL, because gdb_core_cmd fails to load a
    core file called "":
    ...
    (gdb) core ^M
    No core file now.^M
    (gdb) FAIL: gdb.threads/gcore-thread.exp: core0file: \
      re-load generated corefile
    ...

    Fix this FAIL by skipping gdb_core_cmd if the core file is "".

    Tested on x86_64-linux.

    gdb/testsuite/ChangeLog:

    2021-04-06  Tom de Vries  <tdevries@suse.de>

            PR testsuite/27691
            * gdb.threads/gcore-thread.exp: Don't call gdb_core_cmd with co=
re
            file "".

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