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// RUN: %clang_cc1 -fsyntax-only -std=c++11 -Wc++14-compat-pedantic -verify %s
// RUN: %clang_cc1 -fsyntax-only -std=c++17 -Wc++14-compat-pedantic -verify %s
#if __cplusplus < 201402L
// expected-no-diagnostics
// FIXME: C++11 features removed or changed in C++14?
#else
static_assert(true); // expected-warning {{incompatible with C++ standards before C++17}}
template<int ...N> int f() { return (N + ...); } // expected-warning {{incompatible with C++ standards before C++17}}
namespace [[]] NS_with_attr {} // expected-warning {{incompatible with C++ standards before C++17}}
enum { e [[]] }; // expected-warning {{incompatible with C++ standards before C++17}}
template<typename T = int> struct X {};
X x; // expected-warning {{class template argument deduction is incompatible with C++ standards before C++17; for compatibility, use explicit type name 'X<>'}}
template<template<typename> class> struct Y {};
Y<X> yx; // ok, not class template argument deduction
template<typename T> void f(T t) {
X x = t; // expected-warning {{incompatible}}
}
template<typename T> void g(T t) {
typename T::X x = t; // expected-warning {{incompatible}}
}
struct A { template<typename T> struct X { X(T); }; };
void h(A a) { g(a); } // expected-note {{in instantiation of}}
#endif
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