2005-08-10  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (add_location_or_const_value_attribute): Prefer
	locations gathered by var-tracking in single entry loc_list
	over loc_descriptor_from_tree.

--- gcc/dwarf2out.c.orig	2005-11-17 23:03:34.000000000 -0200
+++ gcc/dwarf2out.c	2005-11-17 23:05:54.000000000 -0200
@@ -9921,7 +9921,15 @@
 
   rtl = rtl_for_decl_location (decl);
   if (rtl == NULL_RTX)
-    return;
+    {
+      /* We couldn't get any rtl, so try directly generating the
+	 location description from the tree.  */
+      descr = loc_descriptor_from_tree (decl, 0);
+      if (descr)
+	add_AT_location_description (die, attr, descr);
+
+      return;
+    }
 
   switch (GET_CODE (rtl))
     {