158   template<typename...Ts> bool g(Fst<bool, Ts> ...bools);
159   template<typename...Ts> bool f(Ts &&...ts) {  in f()
160     return g<Ts...>([&ts] {  in f()
174     template<typename...Ts> sink(Ts &&...) {}  in sink()
177   template<typename...Ts> void local_class() {  in local_class()
179       [] (Ts t) {  in local_class()
180         struct S : Ts {  in local_class()
181           void f(Ts t) {  in local_class()
182             Ts &that = *this;  in local_class()
185           Ts g() { return *this; };  in local_class()
190       } (Ts()).g() ...  in local_class()
196   template<typename...Ts> void nested(Ts ...ts) {  in nested()
207   template<typename...Ts> void nested2(Ts ...ts) { // expected-note 2{{here}}  in nested2()