re PR c++/78018 ([C++14] "internal compiler error: Segmentation fault" with templates and lambdas)

2017-10-04  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/78018
	* g++.dg/cpp1y/lambda-generic-78018.C: New.

From-SVN: r253430

gcc/testsuite/ChangeLog

 2017-10-04  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/78018
+	* g++.dg/cpp1y/lambda-generic-78018.C: New.
+
+2017-10-04  Paolo Carlini  <paolo.carlini@oracle.com>
 	    Andrew Pinski  <apinski@cavium.com>
 
 	PR c++/71946

gcc/testsuite/g++.dg/cpp1y/lambda-generic-78018.C

+// PR c++/78018
+// { dg-do compile { target c++14 } }
+
+struct A
+{
+    void f1();
+
+    template <typename F>
+    void f2(F f);
+
+    template<typename T>
+    void f3(T t);
+};
+
+struct B
+{
+    template<typename L>
+    void f(L) { }
+};
+
+void A::f1()
+{
+    f2([&] (auto t) { f3(t); } );
+}
+
+template <typename F>
+void A::f2(F f)
+{
+    B b;
+    f(b);
+}
+
+template<typename T>
+void A::f3(T t)
+{
+}
+