Reid Kleckner | a722534 | 2013-05-20 14:02:37 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fms-extensions -fsyntax-only -verify %s |
| 2 | // MSVC produces similar diagnostics. |
| 3 | |
| 4 | __declspec(selectany) void foo() { } // expected-error{{'selectany' can only be applied to data items with external linkage}} |
| 5 | |
| 6 | __declspec(selectany) int x1 = 1; |
| 7 | |
| 8 | const __declspec(selectany) int x2 = 2; // expected-error{{'selectany' can only be applied to data items with external linkage}} |
| 9 | |
| 10 | extern const __declspec(selectany) int x3 = 3; |
| 11 | |
| 12 | extern const int x4; |
| 13 | const __declspec(selectany) int x4 = 4; |
| 14 | |
| 15 | // MSDN says this is incorrect, but MSVC doesn't diagnose it. |
| 16 | extern __declspec(selectany) int x5; |
| 17 | |
| 18 | static __declspec(selectany) int x6 = 2; // expected-error{{'selectany' can only be applied to data items with external linkage}} |
| 19 | |
| 20 | // FIXME: MSVC accepts this and makes x7 externally visible and comdat, but keep |
| 21 | // it as internal and not weak/linkonce. |
| 22 | static int x7; // expected-note{{previous definition}} |
| 23 | extern __declspec(selectany) int x7; // expected-warning{{attribute declaration must precede definition}} |
| 24 | |
| 25 | int asdf() { return x7; } |
| 26 | |
| 27 | class X { |
| 28 | public: |
| 29 | X(int i) { i++; }; |
| 30 | int i; |
| 31 | }; |
| 32 | |
| 33 | __declspec(selectany) X x(1); |