re PR middle-end/34018 (ICE: verify_stmts failed)

re PR middle-end/34018 (ICE: verify_stmts failed)

	PR middle-end/34018
	* tree-inline.h (copy_body_data): Add regimplify field.
	* tree-inline.c (copy_body_r): Set id->regimplify to true
	if an TREE_INVARIANT ADDR_EXPR is no longer invariant after
	substitutions.
	(copy_bb): Clear id->regimplify before walk_tree, if it is
	set afterwards, regimplify the whole statement.

	* g++.dg/opt/inline14.C: New test.

From-SVN: r130068