re PR bootstrap/63204 (gtype-desc.c:887:40: error: 'struct loop' has no member named 'former_header' breaks bootstrap)

2014-09-08  Richard Biener  <rguenther@suse.de>

	PR bootstrap/63204
	* cfgloop.c (mark_loop_for_removal): Track former header
	unconditionally.
	* cfgloop.h (struct loop): Add former_header member unconditionally.
	* loop-init.c (fix_loop_structure): Enable bogus loop removal
	diagnostic unconditionally.

From-SVN: r215012