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);
34