GitLab

Handle watchpoints (bug#4282).
(def-gdb-thread-buffer-command): Enable thread to be selected by
clicking without selecting threads buffer first.
(gdb-current-context-command): Use selected frame so that "up",
"down" etc work in the GUD buffer.
(gdb-update): Find selected frame before rendering stack buffer.
(gdb-frame-handler): Set gdb-frame-number for stack buffer.