* tree-pass.h (pass_del_ssa, pass_mark_used_blocks,

	* tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
	pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
	* gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
	pass_mark_used_blocks): Remove.
	* tree-optimize.c (pass_free_datastructures,
	execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
	* passes.c (init_optimization_passes): Don't call
	pass_mark_used_blocks, remove dead code.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@146819 138bc75d-0d04-0410-961f-82ee72b054a4