[Bug testsuite/29659] [gdb/testsuite] local-remote-host timeouts with bracketed-paste

["vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=29659

--- Comment #4 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Tom de Vries from comment #3)
> > With test-case gdb.server/connect-with-no-symbol-file.exp and host board
> > local-remote-host-notty, I have:
> > ...
> > Type "apropos word" to search for commands related to "word".^M
> > (gdb) set height 0^M
> > (gdb) set width 0^M
> > (gdb) disconnect^M
> > You can't do that when your target is `None'^M
> > ...
> 
> Hmm, occasionally I also run into:
> ...
> Type "apropos word" to search for commands related to "word".^M
> (gdb) set height 0^M
> (gdb) set width 0^M
> (gdb) disconnect^M
> You can't do that when your target is `None'(gdb) ^M
> FAIL: gdb.server/connect-with-no-symbol-file.exp: sysroot=:
> action=permission: setup: disconnect (timeout)
> ...
> So, a "\n" seems to have gone missing.
> 
> Hmm, that seems to be fixed by:
> ...
> diff --git a/gdb/exceptions.c b/gdb/exceptions.c
> index fdb65b3dc4b..fa962964042 100644
> --- a/gdb/exceptions.c
> +++ b/gdb/exceptions.c
> @@ -85,6 +85,7 @@ print_exception (struct ui_file *file, const struct gdb_exc
> eption &e)
>         }
>      }                                      
>    gdb_printf (file, "\n");
> +  print_flush ();
>  
>    /* Now append the annotation.  */
>    switch (e.reason)
> ...

Well, not fixed but maybe less likely to occur.

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