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// RUN: %clang_cc1 -fsyntax-only -verify -std=c++20 %s
// expected-no-diagnostics
namespace GH61159 {
template <typename T> struct X {
struct I;
};
template <> struct X<int>::I {
template <int ct> constexpr int f() { return ct; };
int data = 3;
};
template <typename T> struct X<T>::I {
template <T ct> constexpr T f() { return ct + 1; };
T data = 7;
};
static_assert(X<int>::I{}.f<17>() == 17);
static_assert(X<int>::I{}.data == 3);
static_assert(X<short>::I{}.data == 7);
static_assert(X<short>::I{}.f<18>() == 19);
template <typename T> struct Y {
struct I;
};
template <> struct Y<int> {
struct I {
template <int ct> constexpr int f() { return ct; };
int data = 3;
};
};
static_assert(Y<int>::I{}.f<17>() == 17);
static_assert(Y<int>::I{}.data == 3);
} // namespace GH61159
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