p4-1y.cpp revision 152b4e4652baedfceba1cd8115515629225e713f 
1// RUN: %clang_cc1 -fsyntax-only -std=c++1y %s -verify
2
3int a;
4int &b = [] (int &r) -> decltype(auto) { return r; } (a);
5int &c = [] (int &r) -> decltype(auto) { return (r); } (a);
6int &d = [] (int &r) -> auto & { return r; } (a);
7int &e = [] (int &r) -> auto { return r; } (a); // expected-error {{cannot bind to a temporary}}
8int &f = [] (int r) -> decltype(auto) { return r; } (a); // expected-error {{cannot bind to a temporary}}
9int &g = [] (int r) -> decltype(auto) { return (r); } (a); // expected-warning {{reference to stack}}
10