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Subject: [Bug testsuite/26952] FAIL: gdb.base/multi-line-starts-subshell.exp:
 spawn subshell from multi-line (timeout)
Date: Tue, 15 Dec 2020 09:18:28 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D26952

--- 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=3D77c8aaf716d9=
f93dc5850f8b2481da5eb7a53662

commit 77c8aaf716d9f93dc5850f8b2481da5eb7a53662
Author: Tom de Vries <tdevries@suse.de>
Date:   Tue Dec 15 10:18:23 2020 +0100

    [gdb/testsuite] Handle PS1 quirk in gdb.base/multi-line-starts-subshell=
.exp

    On SLE-11, I run into:
    ...
    (gdb) if 1^M
     >shell HOME=3D/dev/null PS1=3D"gdb-subshell$ " /bin/sh^M
     >end^M
    hostname:/dir> FAIL: gdb.base/multi-line-starts-subshell.exp: \
      spawn subshell from multi-line (timeout)
    ...

    The problem is that the PS1 setting has no effect, due to a bug on older
    openSUSE/SLE version.  The mechanism there is:
    - /etc/profile sets ENV=3D/etc/bash.bashrc
    - /bin/sh is started
    - /bin/sh executes ENV, in other words /etc/bash.bashrc
    - during the execution of /etc/bash.bashrc, PS1 is set unconditionally

    Fix this by setting PS1 after spawning the subshell.

    Tested on x86_64-linux.

    2020-12-15  Tom de Vries  <tdevries@suse.de>

            PR testsuite/26952
            * gdb.base/multi-line-starts-subshell.exp: Set PS1 after spawni=
ng
            shell.

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