File: decltype29.C

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gcc-arm-none-eabi 15%3A7-2018-q2-5
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// PR c++/44175
// { dg-do compile { target c++11 } }

template <bool, class T> struct enable_if { };
template <class T> struct enable_if <true, T> { typedef T type; };

template <int x>
typename enable_if<x==0,int>::type
ft() {}

template<class F, int N>
decltype (ft<F> (F()))		// { dg-error "depth" }
ft() {}

int main() {
    ft<struct a*, 0>();		// { dg-message "from here" }
}

// { dg-prune-output "compilation terminated" }