9c04851cf5
This patch introduces a new kind of ModuleOwnershipKind as ReachableWhenImported. This intended the status for reachable described at: https://eel.is/c++draft/module.reach#3. Note that this patch is not intended to support all semantics about reachable semantics. For example, this patch didn't implement discarded declarations in GMF. (https://eel.is/c++draft/module.global.frag#3). This fixes: https://bugs.llvm.org/show_bug.cgi?id=52281 and https://godbolt.org/z/81f3ocjfW. Reviewed By: rsmith, iains Differential Revision: https://reviews.llvm.org/D113545
23 lines
720 B
C++
23 lines
720 B
C++
// RUN: rm -rf %t
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// RUN: mkdir -p %t
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// RUN: split-file %s %t
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// RUN: %clang_cc1 -std=c++20 %t/impl.cppm -emit-module-interface -o %t/M-impl.pcm
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// RUN: %clang_cc1 -std=c++20 %t/M.cppm -emit-module-interface -fprebuilt-module-path=%t -o %t/M.pcm
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// RUN: %clang_cc1 -std=c++20 %t/UseStrict.cpp -fprebuilt-module-path=%t -verify -fsyntax-only
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//--- impl.cppm
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module M:impl;
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class A {};
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//--- M.cppm
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export module M;
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import :impl;
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export A f();
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//--- UseStrict.cpp
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import M;
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void test() {
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auto a = f(); // expected-error {{definition of 'A' must be imported from module 'M:impl' before it is required}} expected-error{{}}
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// expected-note@* {{definition here is not reachable}} expected-note@* {{}}
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}
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