re PR debug/20161 (ICE with dwarf for incomplete element type argument)

	PR debug/20161
	* passes.c (rest_of_decl_compilation): If decl is a type and
	we have encountered errors, don't emit debug information.

From-SVN: r102452

gcc/ChangeLog

+2005-07-28  Steven Bosscher  <stevenb@suse.de>
+
+	PR debug/20161
+	* passes.c (rest_of_decl_compilation): If decl is a type and
+	we have encountered errors, don't emit debug information.
+
 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
+
 	* params.def: Fixed comment.
 	
 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>

gcc/passes.c

@@ -175,7 +175,10 @@ rest_of_decl_compilation (tree decl,
 
       timevar_pop (TV_VARCONST);
     }
-  else if (TREE_CODE (decl) == TYPE_DECL)
+  else if (TREE_CODE (decl) == TYPE_DECL
+	   /* Like in rest_of_type_compilation, avoid confusing the debug
+	      information machinery when there are errors.  */
+	   && !(sorrycount || errorcount))
     {
       timevar_push (TV_SYMOUT);
       debug_hooks->type_decl (decl, !top_level);