2016-04-19  Richard Biener  <rguenther@suse.de>

	* gimple-walk.h (struct walk_stmt_info): Add stmt member.
	* gimple-walk.c (walk_gimple_op): Initialize it.
	(walk_gimple_asm): Set wi->is_lhs before each callback invocation.
	* tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
	remapping SSA names of defs.
	(copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
	adjustment.

From-SVN: r235190