2019-04-23  Richard Biener  <rguenther@suse.de>

	PR debug/90131
	* tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
	dest_single_pred_p argument.
	(remove_forwarder_block): Adjust.
	(remove_forwarder_block_with_phi): Likewise.

From-SVN: r270505