* basic-block.h (make_eh_edge, break_superblocks): Declare.
	* cfgbuild.c (make_eh_edge):  Make global.
	* cfglayout.c (break_superblocks): Likewise; fix memory leak.
	* except.c (build_post_landing_pads, connect_post_landing_pads,
	dw2_build_landing_pads, sjlj_emit_function_enter,
	sjlj_emit_function_exit, sjlj_emit_dispatch_table,
	sjlj_build_landing_pads): Update CFG.
	(emit_to_new_bb_before): New function.
	(finish_eh_generation): Do not rebuild the CFG.

From-SVN: r78448