--- gdb-5.2/gdb/dwarfread.c	2002-02-04 11:55:34.000000000 +0000
+++ gdb-5.2-dds_patch/gdb/dwarfread.c	2002-07-25 09:33:36.000000000 +0100
@@ -490,10 +490,13 @@
 
 static void read_tag_pointer_type (struct dieinfo *dip);
 
 static void read_tag_string_type (struct dieinfo *dip);
 
+static void 
+read_tag_typedef (struct dieinfo *, struct objfile *);
+
 static void read_subroutine_type (struct dieinfo *, char *, char *);
 
 static void
 read_enumeration (struct dieinfo *, char *, char *, struct objfile *);
 
@@ -1796,10 +1799,44 @@
 
 /*
 
    LOCAL FUNCTION
 
+   read_tag_typedef -- read TAG_typedef DIE
+
+   SYNOPSIS
+
+   static void read_tag_typedef (struct dieinfo *, struct objfile *);
+
+   DESCRIPTION
+   Populate the user type with details of the typedef. 
+   
+   This isn't required by gcc as it doesn't generate 
+   at_mod_u_d_type's that point to typedefs. However other 
+   compilers do (eg diab).
+ */
+
+static void
+read_tag_typedef (struct dieinfo *dip, struct objfile *objfile)
+{
+  struct type *type;
+  
+  if ((type = lookup_utype (dip->die_ref)) == NULL)
+  {
+    /* No forward references created an empty type, so install one now */
+    type = alloc_utype (dip->die_ref, NULL);
+  }
+  TYPE_TARGET_TYPE(type) = decode_die_type(dip);
+  TYPE_CODE(type) = TYPE_CODE_TYPEDEF;
+
+  new_symbol (dip, objfile);
+}
+
+/*
+
+   LOCAL FUNCTION
+
    handle_producer -- process the AT_producer attribute
 
    DESCRIPTION
 
    Perform any operations that depend on finding a particular
@@ -1994,10 +2031,13 @@
 	      read_tag_pointer_type (&di);
 	      break;
 	    case TAG_string_type:
 	      read_tag_string_type (&di);
 	      break;
+		case TAG_typedef:
+		  read_tag_typedef (&di, objfile);
+		  break;
 	    default:
 	      new_symbol (&di, objfile);
 	      break;
 	    }
 	}