forked from OSchip/llvm-project
47 lines
1.3 KiB
C++
47 lines
1.3 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/same_as.cppm -o %t/same_as.pcm
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// RUN: %clang_cc1 -std=c++20 -emit-module-interface -fprebuilt-module-path=%t %t/concepts.cppm -o %t/concepts.pcm
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// RUN: %clang_cc1 -std=c++20 -emit-module-interface -fprebuilt-module-path=%t %t/format.cppm -o %t/format.pcm
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// RUN: %clang_cc1 -std=c++20 -emit-module-interface %t/conflicting.cppm -o %t/conflicting.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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//--- same_as.cppm
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export module same_as;
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export template <class T, class U>
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concept same_as = __is_same(T, U);
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//--- concepts.cppm
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export module concepts;
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export import same_as;
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export template <class T>
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concept ConflictingConcept = true;
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//--- format.cppm
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export module format;
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export import concepts;
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export import same_as;
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export template <class T> void foo()
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requires same_as<T, int>
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{}
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//--- conflicting.cppm
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export module conflicting;
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export template <class T, class U = int>
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concept ConflictingConcept = true;
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//--- Use.cppm
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import format;
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import conflicting;
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template <class T> void foo()
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requires same_as<T, T>
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{}
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ConflictingConcept auto x = 10; // expected-error {{reference to 'ConflictingConcept' is ambiguous}}
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// expected-note@* 2 {{candidate}}
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