* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return

	true when something was changed.
	(rename_ssa_copies): When something was changed, do
	TODO_remove_unused_locals.
	* tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
	add TODO_remove_unused_locals when instruction was removed.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@121571 138bc75d-0d04-0410-961f-82ee72b054a4