re PR c++/71662 ([DR 1485] ICE on invalid C++11 code with unqualified name look…

re PR c++/71662 ([DR 1485] ICE on invalid C++11 code with unqualified name look up: in tsubst_copy, at cp/pt.c:14010)

2018-02-07  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/71662
	* g++.dg/cpp0x/scoped_enum7.C: New.

From-SVN: r257439

gcc/testsuite/ChangeLog

+2018-02-07  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/71662
+	* g++.dg/cpp0x/scoped_enum7.C: New.
+
 2018-02-07  Christophe Lyon <christophe.lyon@linaro.org>
 
 	PR tree-optimization/83008

gcc/testsuite/g++.dg/cpp0x/scoped_enum7.C

+// PR c++/71662
+// { dg-do compile { target c++11 } }
+// { dg-additional-options "-Wno-return-type" }
+
+template < typename T > struct A
+{
+  enum E : T;
+  E h ();
+};
+
+A < int > a;
+A < int >::E b = a.h ();
+
+template < typename T > enum A < T >::E : T { e };  // { dg-message "enumeration" }
+
+template < typename T > typename A < T >::E A < T >::h ()
+{
+  return e;  // { dg-error "declared" }
+}