* tree-ssa-live.c (remove_unused_scope_block_p): Remove set but
	unused variable "ann".
	(remove_unused_locals): Likewise.

	* tree-ssa-copy.c (propagate_tree_value_into_stmt): Remove useless
	statement.

	* cfglayout.c (fixup_reorder_chain): Do not dereference E_FALL
	after it is freed.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@171408 138bc75d-0d04-0410-961f-82ee72b054a4