Fix IA-64 enable-checking glibc ICE.

* varasm.c (output_constant_pool_1): In LABEL_REF check, use tmp
consistently.

From-SVN: r133783

gcc/ChangeLog

@@ -19,6 +19,9 @@
 
 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
 
+	* varasm.c (output_constant_pool_1): In LABEL_REF check, use tmp
+	consistently.
+
 	PR target/35695
 	* config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
 	* config/ia64/ia64.c (rtx_needs_barrier): Handle

gcc/varasm.c

@@ -3685,17 +3685,17 @@ output_constant_pool_1 (struct constant_descriptor_rtx *desc,
      functioning even with INSN_DELETED_P and friends.  */
 
   tmp = x;
-  switch (GET_CODE (x))
+  switch (GET_CODE (tmp))
     {
     case CONST:
-      if (GET_CODE (XEXP (x, 0)) != PLUS
-	  || GET_CODE (XEXP (XEXP (x, 0), 0)) != LABEL_REF)
+      if (GET_CODE (XEXP (tmp, 0)) != PLUS
+	  || GET_CODE (XEXP (XEXP (tmp, 0), 0)) != LABEL_REF)
 	break;
-      tmp = XEXP (XEXP (x, 0), 0);
+      tmp = XEXP (XEXP (tmp, 0), 0);
       /* FALLTHRU  */
 
     case LABEL_REF:
-      tmp = XEXP (x, 0);
+      tmp = XEXP (tmp, 0);
       gcc_assert (!INSN_DELETED_P (tmp));
       gcc_assert (!NOTE_P (tmp)
 		  || NOTE_KIND (tmp) != NOTE_INSN_DELETED);