File: ComplexExplicitSpecifier.cpp

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// Tests complex explicit constructor across modules.
//
// RUN: rm -rf %t
// RUN: mkdir -p %t
// RUN: split-file %s %t

// RUN: %clang_cc1 -std=c++20 -emit-module-interface %t/Foo.cppm \
// RUN: -o %t/Foo.pcm

// RUN: %clang_cc1 -std=c++20 -emit-module-interface \
// RUN: -fmodule-file=Foo=%t/Foo.pcm \
// RUN: %t/Bar.cppm \
// RUN: -o %t/Bar.pcm

// RUN: %clang_cc1 -std=c++20 -emit-obj \
// RUN: -main-file-name Bar.cppm \
// RUN: -fmodule-file=Foo=%t/Foo.pcm \
// RUN: -x pcm %t/Bar.pcm \
// RUN: -o %t/Bar.o

//--- Foo.cppm
export module Foo;

export {
template<class T>
class Foo {
  public:
    template<class... Args>
    explicit (sizeof...(Args) == 1) Foo(Args&&... args);
};
}

template<class T>
template<class... Args>
inline Foo<T>::Foo(Args&&... args) {}

//--- Bar.cppm
export module Bar;
import Foo;

struct Bar {};

void a() {
  auto foo = Foo<Bar>{};
}