* basic-block.h (struct edge_def): Remove crossing_edge.
	(EDGE_CROSSING): New define.
	(EDGE_ALL_FLAGS): Update.
	* bb-reorder.c (find_traces_1_round, better_edge_p,
	find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
	find_jump_block, fix_crossing_conditional_branches,
	fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
	Replace all occurences of crossing_edge with an edge flag check
	or set/reset.
	* cfgcleanup.c (try_simplify_condjump, try_forward_edges,
	try_crossjump_bb): Likewise.
	* cfglayout.c (fixup_reorder_chain): Likewise.
	* cfgrtl.c (force_nonfallthru_and_redirect,
	commit_one_edge_insertion): Likewise.

	* Makefile.in (cfganal.o): Depend on TIMEVAR_H.
	* tree-flow.h (compute_dominance_frontiers): Move prototype...
	* basic-block.h:  ...here.
	* tree-cfg.c (compute_dominance_frontiers_1,
	compute_dominance_frontiers): Move from here...
	* cfganal.c: ...to here.  Include timevar.h.

From-SVN: r86228