2005-02-01  Jeff Johnston  <jjohnstn@redhat.com>

        * dwarf2read.c (die_type): Tolerate a type reference to location
        <0> and treat as unknown type.

--- gdb-6.3/gdb/dwarf2read.c.fix	Tue Feb  1 16:48:49 2005
+++ gdb-6.3/gdb/dwarf2read.c	Tue Feb  1 16:50:12 2005
@@ -7120,6 +7120,10 @@ die_type (struct die_info *die, struct d
       /* A missing DW_AT_type represents a void type.  */
       return dwarf2_fundamental_type (cu->objfile, FT_VOID, cu);
     }
+  else if (DW_ADDR (type_attr) == 0)
+    /* If we have an invalid reference to 0, ignore it and treat
+       the type as unknown.  */
+    return builtin_type_error;
   else
     type_die = follow_die_ref (die, type_attr, cu);