flow.c (delete_block): Call set_last_insn if we end up deleting the last insn in the rtl chain.

	* flow.c (delete_block): Call set_last_insn if we end up deleting the
	last insn in the rtl chain.

From-SVN: r24052

gcc/ChangeLog

@@ -59,6 +59,9 @@ Tue Dec  1 15:03:30 1998  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
 	
 Tue Dec  1 15:20:44 1998  Jeffrey A Law  (law@cygnus.com)
 
+	* flow.c (delete_block): Call set_last_insn if we end up deleting the
+	last insn in the rtl chain.
+
 	* reload1.c (reload): Do not set reload_completed or split insns
 	here.  Instead...
 	* toplev.c (rest_of_compilation): Set reload_completed after

gcc/flow.c

@@ -1018,12 +1018,16 @@ delete_block (i)
       NEXT_INSN (PREV_INSN (basic_block_head[i])) = insn;
       if (insn != 0)
 	PREV_INSN (insn) = PREV_INSN (basic_block_head[i]);
+      else
+	set_last_insn (PREV_INSN (basic_block_head[i]));
     }
   else
     {
       NEXT_INSN (PREV_INSN (basic_block_head[i])) = kept_head;
       if (insn != 0)
 	PREV_INSN (insn) = kept_tail;
+      else
+	set_last_insn (kept_tail);
 
       PREV_INSN (kept_head) = PREV_INSN (basic_block_head[i]);
       NEXT_INSN (kept_tail) = insn;