re PR c++/56238 (ICE in tree check: expected record_type or union_type or…

re PR c++/56238 (ICE in tree check: expected record_type or union_type or qual_union_type, have template_type_parm in lookup_conversions, at cp/search.c:2515)

	PR c++/56238
	* pt.c (fold_non_dependent_expr_sfinae): Check
	instantiation_dependent_expression_p.

From-SVN: r196724

gcc/cp/ChangeLog

 2013-03-16  Jason Merrill  <jason@redhat.com>
 
+	PR c++/56238
+	* pt.c (fold_non_dependent_expr_sfinae): Check
+	instantiation_dependent_expression_p.
+
 	PR c++/56095
 	* class.c (resolve_address_of_overloaded_function): Accept a
 	reference to function for target_type.

gcc/cp/pt.c

@@ -5044,9 +5044,8 @@ fold_non_dependent_expr_sfinae (tree expr, tsubst_flags_t complain)
 
      as two declarations of the same function, for example.  */
   if (processing_template_decl
-      && !type_dependent_expression_p (expr)
-      && potential_constant_expression (expr)
-      && !value_dependent_expression_p (expr))
+      && !instantiation_dependent_expression_p (expr)
+      && potential_constant_expression (expr))
     {
       HOST_WIDE_INT saved_processing_template_decl;