2018-05-08  Richard Biener  <rguenther@suse.de>

	PR bootstrap/85571
	config/
	* bootstrap-lto-noplugin.mk: Disable compare.
	* bootstrap-lto.mk: Supply contrib/compare-lto for do-compare.

	contrib/
	* compare-lto: New script derived from compare-debug.

From-SVN: r260026