forked from OSchip/llvm-project
45 lines
1.8 KiB
C++
45 lines
1.8 KiB
C++
// RUN: rm -rf %t
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// RUN: mkdir %t
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// RUN: split-file %s %t
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//
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// RUN: %clang_cc1 -std=c++20 -emit-module-interface %t/var_def.cppm -o %t/var_def.pcm
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// RUN: %clang_cc1 -std=c++20 -emit-module-interface -fprebuilt-module-path=%t %t/reexport1.cppm -o %t/reexport1.pcm
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// RUN: %clang_cc1 -std=c++20 -emit-module-interface -fprebuilt-module-path=%t %t/reexport2.cppm -o %t/reexport2.pcm
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// RUN: %clang_cc1 -std=c++20 -fprebuilt-module-path=%t %t/use.cppm -fsyntax-only -verify
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//--- use.cppm
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import reexport1;
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import reexport2;
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auto foo = zero<Int>;
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auto bar = zero<int*>;
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auto baz = zero<int>;
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template <class T> constexpr T zero = 0; // expected-error-re {{declaration{{.*}}in the global module follows declaration in module var_def}}
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// expected-note@* {{previous}}
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template <> constexpr Int zero<Int> = {0}; // expected-error-re {{declaration{{.*}}in the global module follows declaration in module var_def}}
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// expected-note@* {{previous}}
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template <class T> constexpr T* zero<T*> = nullptr; // expected-error-re {{declaration{{.*}}in the global module follows declaration in module var_def}}
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// expected-note@* {{previous}}
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template <> constexpr int** zero<int**> = nullptr; // ok, new specialization.
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template <class T> constexpr T** zero<T**> = nullptr; // ok, new partial specilization.
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//--- var_def.cppm
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export module var_def;
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export template <class T> constexpr T zero = 0;
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export struct Int {
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int value;
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};
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export template <> constexpr Int zero<Int> = {0};
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export template <class T> constexpr T* zero<T*> = nullptr;
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//--- reexport1.cppm
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export module reexport1;
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export import var_def;
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//--- reexport2.cppm
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export module reexport2;
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export import var_def;
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