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1// Regression test for the crash in2// https://github.com/llvm/llvm-project/issues/545373//4// RUN: %clang_cc1 -std=c++20 -fsyntax-only -verify %s5// expected-no-diagnostics6 7template< class T > inline constexpr bool test_v = true;8 9template <typename T>10struct A {11 A(const T = 1 ) requires test_v<T>;12};13 14struct B : A<int> {15 using A<int>::A;16};17