40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
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// RUN: %clang_cc1 -fmodules %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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namespace N { class X; }
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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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namespace N { class Friendly { friend class X; }; }
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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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void use_X(N::X *p);
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#pragma clang module import B
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// UsingShadowDecl names the friend declaration
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using N::X;
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#pragma clang module end
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#pragma clang module endbuild
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#pragma clang module import B
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namespace N { class AlsoFriendly { friend class X; }; }
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#pragma clang module import A
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#pragma clang module import C
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// The friend declaration from N::Friendly is now the first in the redecl
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// chain, so is not ordinarily visible. We need the IDNS of the UsingShadowDecl
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// to still consider it to be visible, though.
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X *p;
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