re PR c++/80412 ([c++17] crash with class template deduction guide and inheritance)

2017-10-11  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/80412
	* g++.dg/cpp1z/class-deduction44.C: New.

From-SVN: r253632

gcc/testsuite/ChangeLog

 2017-10-11  Paolo Carlini  <paolo.carlini@oracle.com>
 
+	PR c++/80412
+	* g++.dg/cpp1z/class-deduction44.C: New.
+
+2017-10-11  Paolo Carlini  <paolo.carlini@oracle.com>
+
 	PR c++/82230
 	* g++.dg/cpp1y/lambda-generic-ice8.C: New.
 

gcc/testsuite/g++.dg/cpp1z/class-deduction44.C

+// PR c++/80412
+// { dg-options -std=c++17 }
+
+template <typename> struct A;
+template <typename> struct B : A < B { ,  // { dg-error "" }