re PR c++/55262 ([C++0x] g++.dg/cpp0x/inh-ctor10.C ICEs with -g)

	PR c++/55262
	* method.c (implicitly_declare_fn): Set DECL_PARM_INDEX on
	the parms of an inheriting ctor.

From-SVN: r193622

gcc/cp/ChangeLog

 2012-11-19  Jason Merrill  <jason@redhat.com>
 
+	PR c++/55262
+	* method.c (implicitly_declare_fn): Set DECL_PARM_INDEX on
+	the parms of an inheriting ctor.
+
 	PR c++/55261
 	* class.c (add_implicitly_declared_members): Use
 	lookup_fnfields_slot to get the base constructors.

gcc/cp/method.c

@@ -1663,10 +1663,14 @@ implicitly_declare_fn (special_function_kind kind, tree type,
   else if (kind == sfk_inheriting_constructor)
     {
       tree *p = &DECL_ARGUMENTS (fn);
+      int index = 1;
       for (tree parm = inherited_parms; parm != void_list_node;
 	   parm = TREE_CHAIN (parm))
 	{
 	  *p = cp_build_parm_decl (NULL_TREE, TREE_VALUE (parm));
+	  retrofit_lang_decl (*p);
+	  DECL_PARM_LEVEL (*p) = 1;
+	  DECL_PARM_INDEX (*p) = index++;
 	  DECL_CONTEXT (*p) = fn;
 	  p = &DECL_CHAIN (*p);
 	}

gcc/testsuite/g++.dg/cpp0x/inh-ctor10.C

-// { dg-options "-std=c++11" }
+// { dg-options "-std=c++11 -g" }
 
 struct A
 {