gdb/

gdb/
	* breakpoint.c (watchpoint_check): Check the call
	gdbarch_in_function_epilogue_p before calling frame_find_by_id.
	Extend the comment.
	* config/djgpp/fnchange.lst: Add translations for
	watchpoint-cond-gone.exp, watchpoint-cond-gone.c and
	watchpoint-cond-gone-stripped.c.

gdb/testsuite/
	* gdb.base/watchpoint-cond-gone.exp, gdb.base/watchpoint-cond-gone.c,
	gdb.base/watchpoint-cond-gone-stripped.c: New.