reload1.c (reload_as_needed): Set reload_is_output_reload / reload_has_output_reload for auto_inc expressions...

	* reload1.c (reload_as_needed): Set reload_is_output_reload /
	reload_has_output_reload for auto_inc expressions that could be
	reloaded.  Call forget_old_reloads for REG_INC notes.

From-SVN: r25899