* collect2.c (main): Remove SWITCHES_NEED_SPACES conditional.
	* doc/tm.texi (SWITCHES_NEED_SPACES): Don't document.
	* gcc.c (SWITCHES_NEED_SPACES, switches_need_spaces): Remove.
	(static_specs): Remove switches_need_spaces.
	(process_command, do_self_spec): Hardcode handling "-o" instead of
	checking switches_need_spaces.
	* system.h (SWITCHES_NEED_SPACES): Poison.

From-SVN: r161436