flow.c (find_auto_inc): Remove most recent change.

        * flow.c (find_auto_inc): Remove most recent change.  Real bug was
        elsewhere.

From-SVN: r21013

gcc/ChangeLog

 Wed Jul  8 21:43:14 1998  Jeffrey A Law  (law@cygnus.com)
 
+	* flow.c (find_auto_inc): Remove most recent change.  Real bug was
+	elsewhere.
+
 	* cse.c (count_reg_usage): Count registers used in addresses of
 	CLOBBERs.
 

gcc/flow.c

@@ -2386,10 +2386,6 @@ find_auto_inc (needed, x, insn)
 		 Then fall into the usual case.  */
 	      rtx insns, temp;
 
-	      /* Since q is now changed, clear its UNCHANGING bit.  Otherwise,
-		 we would confuse alias.c when this pseudo ends up in a stack
-		 slot.  */
-	      RTX_UNCHANGING_P (q) = 0;
 	      start_sequence ();
 	      emit_move_insn (q, addr);
 	      insns = get_insns ();