re PR debug/49250 (ICE in set_slot_part, at var-tracking.c:6793)

	PR debug/49250
	* var-tracking.c (add_uses, add_stores): Don't call
	cselib_subst_to_values on ENTRY_VALUE.

From-SVN: r174548

gcc/ChangeLog

+2011-06-01  Jakub Jelinek  <jakub@redhat.com>
+
+	PR debug/49250
+	* var-tracking.c (add_uses, add_stores): Don't call
+	cselib_subst_to_values on ENTRY_VALUE.
+
 2011-06-01  Diego Novillo  <dnovillo@google.com>
 
 	* lto-streamer-out.c (lto_output_ts_decl_with_vis_tree_pointers): Call

gcc/var-tracking.c

@@ -5052,6 +5052,7 @@ add_uses (rtx *ploc, void *data)
 	  if (MEM_P (vloc)
 	      && !REG_P (XEXP (vloc, 0))
 	      && !MEM_P (XEXP (vloc, 0))
+	      && GET_CODE (XEXP (vloc, 0)) != ENTRY_VALUE
 	      && (GET_CODE (XEXP (vloc, 0)) != PLUS
 		  || XEXP (XEXP (vloc, 0), 0) != cfa_base_rtx
 		  || !CONST_INT_P (XEXP (XEXP (vloc, 0), 1))))
@@ -5130,6 +5131,7 @@ add_uses (rtx *ploc, void *data)
 	  if (MEM_P (oloc)
 	      && !REG_P (XEXP (oloc, 0))
 	      && !MEM_P (XEXP (oloc, 0))
+	      && GET_CODE (XEXP (oloc, 0)) != ENTRY_VALUE
 	      && (GET_CODE (XEXP (oloc, 0)) != PLUS
 		  || XEXP (XEXP (oloc, 0), 0) != cfa_base_rtx
 		  || !CONST_INT_P (XEXP (XEXP (oloc, 0), 1))))
@@ -5383,6 +5385,7 @@ add_stores (rtx loc, const_rtx expr, void *cuip)
       if (MEM_P (loc) && type == MO_VAL_SET
 	  && !REG_P (XEXP (loc, 0))
 	  && !MEM_P (XEXP (loc, 0))
+	  && GET_CODE (XEXP (loc, 0)) != ENTRY_VALUE
 	  && (GET_CODE (XEXP (loc, 0)) != PLUS
 	      || XEXP (XEXP (loc, 0), 0) != cfa_base_rtx
 	      || !CONST_INT_P (XEXP (XEXP (loc, 0), 1))))