| 1 | // RUN: %clang_cc1 -fmodules %s -verify |
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| 2 | // expected-no-diagnostics |
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| 3 | |
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| 4 | #pragma clang module build A |
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| 5 | module A {} |
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| 6 | #pragma clang module contents |
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| 7 | #pragma clang module begin A |
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| 8 | namespace N { class X; } |
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| 9 | #pragma clang module end |
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| 10 | #pragma clang module endbuild |
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| 11 | |
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| 12 | #pragma clang module build B |
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| 13 | module B {} |
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| 14 | #pragma clang module contents |
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| 15 | #pragma clang module begin B |
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| 16 | namespace N { class Friendly { friend class X; }; } |
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| 17 | #pragma clang module end |
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| 18 | #pragma clang module endbuild |
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| 19 | |
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| 20 | #pragma clang module build C |
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| 21 | module C {} |
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| 22 | #pragma clang module contents |
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| 23 | #pragma clang module begin C |
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| 24 | #pragma clang module import A |
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| 25 | void use_X(N::X *p); |
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| 26 | #pragma clang module import B |
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| 27 | // UsingShadowDecl names the friend declaration |
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| 28 | using N::X; |
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| 29 | #pragma clang module end |
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| 30 | #pragma clang module endbuild |
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| 31 | |
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| 32 | #pragma clang module import B |
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| 33 | namespace N { class AlsoFriendly { friend class X; }; } |
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| 34 | #pragma clang module import A |
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| 35 | #pragma clang module import C |
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| 36 | // The friend declaration from N::Friendly is now the first in the redecl |
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| 37 | // chain, so is not ordinarily visible. We need the IDNS of the UsingShadowDecl |
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| 38 | // to still consider it to be visible, though. |
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| 39 | X *p; |
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| 40 | |
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