51 lines
1.2 KiB
Text
51 lines
1.2 KiB
Text
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// Tests that the ODR check wouldn't produce false-positive result for preferred_name attribute.
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//
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// 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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//
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// RUN: %clang_cc1 -std=c++20 %t/A.cppm -emit-module-interface -o %t/A.pcm
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// RUN: %clang_cc1 -std=c++20 -fprebuilt-module-path=%t -I%t %t/Use.cppm -verify -fsyntax-only
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// RUN: %clang_cc1 -std=c++20 -fprebuilt-module-path=%t -I%t %t/Use1.cpp -verify -fsyntax-only
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// RUN: %clang_cc1 -std=c++20 -fprebuilt-module-path=%t -I%t %t/Use2.cpp -verify -fsyntax-only
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//
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//--- foo.h
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template<class _CharT>
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class foo_templ;
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typedef foo_templ<char> foo;
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template<class _CharT>
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class
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__attribute__((__preferred_name__(foo)))
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foo_templ {
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public:
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foo_templ() {}
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};
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inline foo_templ<char> bar()
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{
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return foo_templ<char>();
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}
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//--- A.cppm
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module;
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#include "foo.h"
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export module A;
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//--- Use.cppm
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// expected-no-diagnostics
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module;
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#include "foo.h"
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export module Use;
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import A;
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//--- Use1.cpp
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import A; // expected-warning@foo.h:8 {{attribute declaration must precede definition}}
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#include "foo.h" // expected-note@foo.h:9 {{previous definition is here}}
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//--- Use2.cpp
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// expected-no-diagnostics
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#include "foo.h"
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import A;
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