re PR c++/66690 (error: use of ‘X’ before deduction of ‘auto’)

2017-10-06  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/66690
	* g++.dg/cpp1y/pr66690.C: New.

From-SVN: r253502

gcc/testsuite/ChangeLog

+2017-10-06  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/66690
+	* g++.dg/cpp1y/pr66690.C: New.
+
 2017-10-06  Nathan Sidwell  <nathan@acm.org>
 
 	PR c++/82424

gcc/testsuite/g++.dg/cpp1y/pr66690.C

+// PR c++/66690
+// { dg-do compile { target c++14 } }
+
+template<class T> auto foo(T t) {return 3;}
+class B {B();};  // { dg-message "declared private" }
+template<class T> class D:public B
+{
+    D()  // { dg-message "declared private" }
+    {  // { dg-error "is private" }
+        T x00;
+        foo(x00);
+    }
+};
+D<int> d;  // { dg-error "is private" }