19 lines
372 B
C++
19 lines
372 B
C++
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// RUN: %clang_cc1 -std=c++17 -verify %s
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// expected-no-diagnostics
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template<typename T> struct A {
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template<typename U> struct B {
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B(...);
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B(const B &) = default;
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};
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template<typename U> B(U) -> B<U>;
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};
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A<void>::B b = 123;
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A<void>::B copy = b;
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using T = decltype(b);
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using T = A<void>::B<int>;
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using Copy = decltype(copy);
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using Copy = A<void>::B<int>;
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