re PR c++/82231 (ICE when deducing non-type template parameter value whose type…

re PR c++/82231 (ICE when deducing non-type template parameter value whose type depends on a non-type `auto` template parameter from function arguments)

	PR c++/82231
	* g++.dg/cpp1z/nontype-auto14.C: New test.

From-SVN: r255839

gcc/testsuite/ChangeLog

+2017-12-19  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/82231
+	* g++.dg/cpp1z/nontype-auto14.C: New test.
+
 2017-12-18  Jeff Law  <law@redhat.com>
 
 	PR tree-optimization/83477

gcc/testsuite/g++.dg/cpp1z/nontype-auto14.C

+// PR c++/82231
+// { dg-options -std=c++17 }
+
+template<int>
+struct x {};
+
+template <auto I, decltype(I) X>
+void f(x<X>) { }
+
+int
+main()
+{
+  f<0>(x<1>{});
+}