* loop.c (try_swap_copy_prop): Go back to checking insn.

From-SVN: r41540

gcc/ChangeLog

+2001-04-25  Jason Merrill  <jason_merrill@redhat.com>
+
+	* loop.c (try_swap_copy_prop): Go back to checking insn.
+
+2001-03-25  Jason Merrill  <jason_merrill@redhat.com>
+
+	* dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
+	(dbxout_type_fields): Lose minimal_debug support.
+	(dbxout_type_methods, dbxout_type): Likewise.
+
+	* config/elfos.h (NO_DOLLAR_IN_LABEL): Remove definition.
+	* config/i386/sco5.h, config/i386/scodbx.h, config/m68k/m68kelf.h,
+	config/m68k/m68kv4.h, config/mips/news5.h, svr3.h: Likewise.
+
 2001-04-25  Jakub Jelinek  <jakub@redhat.com>
 
 	* emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check

gcc/loop.c

@@ -9318,7 +9318,7 @@ try_swap_copy_prop (loop, replacement, regno)
 	break;
     }
 
-  if (set)
+  if (insn != NULL_RTX)
     {
       rtx prev_insn;
       rtx prev_set;