re PR c++/68754 (Explicitly defaulted constexpr assignment operator fails to compile)

2017-06-02  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/68754
	* g++.dg/cpp1y/constexpr-68754.C: New.

From-SVN: r248847

gcc/testsuite/ChangeLog

-2017-06-02  Carl Love  <cel@us.ibm.com>
+2017-06-02  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/68754
+	* g++.dg/cpp1y/constexpr-68754.C: New.
 
-gcc/testsuite/ChangeLog:
+2017-06-02  Carl Love  <cel@us.ibm.com>
 
 	* gcc.target/powerpc/builtins-3-runnable.c: New file of runnable tests
 	for the new built-ins.

gcc/testsuite/g++.dg/cpp1y/constexpr-68754.C

+// PR c++/68754
+// { dg-do compile { target c++14 } }
+
+struct base { };
+struct derived : base {
+  constexpr derived& operator=(derived const&) = default;
+};