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comparison clang/test/Modules/seperated-member-function-definition-for-template-class.cppm @ 252:1f2b6ac9f198 llvm-original

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LLVM16-1
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Fri, 18 Aug 2023 09:04:13 +0900
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237:c80f45b162ad 252:1f2b6ac9f198
1 // This comes from the issue report of MSVC
2 // (https://developercommunity.visualstudio.com/t/c20-modules-unresolved-external-symbol/10049210).
3 //
4 // RUN: rm -rf %t
5 // RUN: mkdir %t
6 // RUN: split-file %s %t
7 //
8 // RUN: %clang_cc1 -std=c++20 %t/base.cppm -emit-module-interface -o %t/package-base.pcm
9 // RUN: %clang_cc1 -std=c++20 %t/child.cppm -emit-module-interface -o %t/package-child.pcm \
10 // RUN: -fprebuilt-module-path=%t
11 // RUN: %clang_cc1 -std=c++20 %t/package.cppm -emit-module-interface -o %t/package.pcm \
12 // RUN: -fprebuilt-module-path=%t
13 // RUN: %clang_cc1 -std=c++20 %t/use.cpp -fsyntax-only -verify -fprebuilt-module-path=%t
14
15 //--- base.cppm
16 export module package:base;
17
18 export struct child;
19
20 export
21 template<class> struct base
22 {
23 child getChild();
24 };
25
26
27 //--- child.cppm
28 export module package:child;
29
30 import :base;
31
32 export struct child : base<void> {};
33
34 template<class T>
35 child base<T>::getChild() { return {}; }
36
37 //--- package.cppm
38 export module package;
39
40 export import :base;
41 export import :child;
42
43 //--- use.cpp
44 // expected-no-diagnostics
45 import package;
46
47 int use()
48 {
49 base<void>{}.getChild();
50 base<int>{}.getChild();
51 return 0;
52 }