Fix SCO5 namespace/dwarf interaction bug.

	* dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Ignore
	LANG_TYPE trees with DECL_SOURCE_LINE of 0.

From-SVN: r19883

gcc/ChangeLog

+1998-05-19  Jim Wilson  <wilson@cygnus.com>
+
+	* dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Ignore
+	LANG_TYPE trees with DECL_SOURCE_LINE of 0.
+
 Tue May 19 15:07:54 1998  Todd Vierling  <tv@netbsd.org>
 
 	* arm/netbsd.h: Ensure DWARF2_UNWIND_INFO is undefined.

gcc/dwarfout.c

@@ -5190,8 +5190,18 @@ dwarfout_file_scope_decl (decl, set_finalizing)
 	 really need to output these (non-fundamental) types because other
 	 DIEs may contain references to them.  */
 
+      /* Also ignore language dependent types here, because they are probably
+	 also built-in types.  If we didn't ignore them, then we would get
+	 references to undefined labels because output_type doesn't support
+	 them.   So, for now, we need to ignore them to avoid assembler
+	 errors.  */
+
+      /* ??? This code is different than the equivalent code in dwarf2out.c.
+	 The dwarf2out.c code is probably more correct.  */
+
       if (DECL_SOURCE_LINE (decl) == 0
-	  && type_is_fundamental (TREE_TYPE (decl)))
+	  && (type_is_fundamental (TREE_TYPE (decl))
+	      || TREE_CODE (TREE_TYPE (decl)) == LANG_TYPE))
 	return;
 
       /* If we are in terse mode, don't generate any DIEs to represent