File: nontype1.C

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

struct L { constexpr operator int() const { return 0; } };
constexpr L LVar{};

template<const L&> int *f() { return 0; }
template<int> char *f();

auto r = f<LVar>();		// { dg-error "ambiguous" }