[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 #3 from Tom de Vries <vries at gcc dot gnu.org> ---
> 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)
...

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