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acfcd78aec
Friend function template defined in a class template becomes available if the enclosing class template is instantiated. Until the function template is used, it does not have a body, but still is considered a definition for the purpose of redeclaration checks. This change modifies redefinition check so that it can find the friend function template definitions in instantiated classes. Differential Revision: http://reviews.llvm.org/D21508 llvm-svn: 348473
42 lines
967 B
C++
42 lines
967 B
C++
// RUN: %clang_cc1 -fmodules -std=c++14 %s -verify
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// expected-no-diagnostics
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#pragma clang module build A
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module A {}
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#pragma clang module contents
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#pragma clang module begin A
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template<typename T> struct A {
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friend A operator+(const A&, const A&) { return {}; }
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template<typename T2> friend void func_1(const A&, const T2 &) {}
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};
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#pragma clang module end
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#pragma clang module endbuild
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#pragma clang module build B
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module B {}
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#pragma clang module contents
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#pragma clang module begin B
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#pragma clang module import A
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inline void f() { A<int> a; }
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#pragma clang module end
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#pragma clang module endbuild
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#pragma clang module build C
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module C {}
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#pragma clang module contents
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#pragma clang module begin C
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#pragma clang module import A
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inline void g() { A<int> a; }
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#pragma clang module end
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#pragma clang module endbuild
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#pragma clang module import A
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#pragma clang module import B
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#pragma clang module import C
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void h() {
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A<int> a;
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a + a;
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func_1(a, 0);
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}
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