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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
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// PR c++/65942
// { dg-do compile { target c++11 } }

template <typename T> constexpr int f(T t) { return t; }
template <typename T, typename = decltype(f(T()))> void g(T) { }
void g(...) { }
int main() { g(""); }