* jump.c (never_reached_warning): Add finish argument.
	If finish is NULL, stop on CODE_LABEL, otherwise stop before first
	real insn after end.
	* rtl.h (never_reached_warning): Adjust prototype.
	* cse.c (cse_insn): Pass NULL as finish to never_reached_warning.
	* cfgrtl.c (flow_delete_block): Pass b->end as finish to
	never_reached_warning.

	* gcc.dg/Wunreachable-1.c: New test.
	* gcc.dg/Wunreachable-2.c: New test.

From-SVN: r49713