File: sfinae19.C

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gcc-arm-none-eabi 15%3A8-2019-q3-1
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// PR c++/48737
// { dg-do compile { target c++11 } }

template<class T>
T&& create();

template<class T, class... Args>
decltype(T{create<Args>()...}, char()) f(int);

template<class, class...>
char (&f(...))[2];

static_assert(sizeof(f<int[1], int, int>(0)) != 1, "Error");