| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
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| 2 | // expected-no-diagnostics |
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| 3 | |
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| 4 | // C++0x [basic.lookup.unqual]p14: |
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| 5 | // If a variable member of a namespace is defined outside of the |
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| 6 | // scope of its namespace then any name used in the definition of |
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| 7 | // the variable member (after the declarator-id) is looked up as if |
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| 8 | // the definition of the variable member occurred in its namespace. |
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| 9 | |
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| 10 | namespace N { |
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| 11 | struct S {}; |
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| 12 | S i; |
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| 13 | extern S j; |
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| 14 | extern S j2; |
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| 15 | } |
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| 16 | |
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| 17 | int i = 2; |
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| 18 | N::S N::j = i; |
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| 19 | N::S N::j2(i); |
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| 20 | |
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| 21 | // <rdar://problem/13317030> |
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| 22 | namespace M { |
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| 23 | class X { }; |
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| 24 | inline X operator-(int, X); |
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| 25 | |
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| 26 | template<typename T> |
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| 27 | class Y { }; |
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| 28 | |
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| 29 | typedef Y<float> YFloat; |
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| 30 | |
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| 31 | namespace yfloat { |
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| 32 | YFloat operator-(YFloat, YFloat); |
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| 33 | } |
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| 34 | using namespace yfloat; |
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| 35 | } |
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| 36 | |
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| 37 | using namespace M; |
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| 38 | |
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| 39 | namespace M { |
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| 40 | |
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| 41 | class Other { |
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| 42 | void foo(YFloat a, YFloat b); |
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| 43 | }; |
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| 44 | |
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| 45 | } |
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| 46 | |
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| 47 | void Other::foo(YFloat a, YFloat b) { |
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| 48 | YFloat c = a - b; |
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| 49 | } |
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| 50 | |
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| 51 | // <rdar://problem/13540899> |
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| 52 | namespace Other { |
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| 53 | void other_foo(); |
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| 54 | } |
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| 55 | |
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| 56 | namespace M2 { |
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| 57 | using namespace Other; |
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| 58 | |
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| 59 | extern "C" { |
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| 60 | namespace MInner { |
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| 61 | extern "C" { |
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| 62 | class Bar { |
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| 63 | void bar(); |
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| 64 | }; |
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| 65 | } |
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| 66 | } |
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| 67 | } |
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| 68 | } |
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| 69 | |
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| 70 | void M2::MInner::Bar::bar() { |
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| 71 | other_foo(); |
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| 72 | } |
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| 73 | |
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