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// RUN: %clang_cc1 -std=c++17 -verify %s
template<bool> struct DominatorTreeBase {
static constexpr bool IsPostDominator = true;
};
extern template class DominatorTreeBase<false>;
constexpr bool k = DominatorTreeBase<false>::IsPostDominator;
namespace CompleteType {
template<unsigned N> constexpr int f(const bool (&)[N]) { return 0; }
template<bool ...V> struct X {
static constexpr bool arr[] = {V...};
static constexpr int value = f(arr);
};
constexpr int n = X<true>::value;
}
template <typename T> struct A {
static const int n;
static const int m;
constexpr int f() { return n; }
constexpr int g() { return n; }
};
template <typename T> constexpr int A<T>::n = sizeof(A) + sizeof(T);
template <typename T> inline constexpr int A<T>::m = sizeof(A) + sizeof(T);
static_assert(A<int>().f() == 5);
static_assert(A<int>().g() == 5);
namespace GH135032 {
template <typename T> struct InlineAuto {
template <typename G> inline static auto var = 5;
};
template <typename> struct PartialInlineAuto {
template <typename, typename> inline static auto var = 6;
template <typename T> inline static auto var<int, T> = 7;
};
int inline_auto = InlineAuto<int>::var<int>;
int partial_inline_auto = PartialInlineAuto<int>::var<int, int>;
}
namespace GH140773 {
template <class T> class ConstString { // #ConstString
ConstString(typename T::type) {} // #ConstString-Ctor
};
template <class = int>
struct Foo {
template <char>
static constexpr ConstString kFilename{[] { // #kFileName
return 42;
}};
};
// We don't want to instantiate the member template until it's used!
Foo<> foo;
auto X = Foo<>::kFilename<'a'>;
// expected-error@#kFileName {{no viable constructor}}
// expected-note@-2 {{in instantiation of static data member}}
// expected-note@#ConstString-Ctor {{candidate template ignored}}
// expected-note@#ConstString-Ctor {{implicit deduction guide}}
// expected-note@#ConstString {{candidate template ignored}}
// expected-note@#ConstString {{implicit deduction guide}}
}
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