cfgrtl.c (rtl_verify_flow_info_1): When checking insns in a bb, don't inspect BLOCK_FOR_INSN for barriers.

	* cfgrtl.c (rtl_verify_flow_info_1): When checking insns in a bb,
	don't inspect BLOCK_FOR_INSN for barriers.
	* emit-rtl.c (emit_barrier_before): Revert last change.
	(emit_barrier_after, emit_barrier): Ditto.

From-SVN: r89308