1 | // Without PCH |
2 | // RUN: %clang_cc1 -fsyntax-only -verify -include %s -include %s %s |
3 | |
4 | // With PCH |
5 | // RUN: %clang_cc1 -fsyntax-only -verify %s -chain-include %s -chain-include %s |
6 | |
7 | #ifndef HEADER1 |
8 | #define HEADER1 |
9 | //===----------------------------------------------------------------------===// |
10 | |
11 | namespace NS { |
12 | |
13 | template <class _Tp, _Tp __v> |
14 | struct TS |
15 | { |
16 | static const _Tp value = __v; |
17 | }; |
18 | |
19 | template <class _Tp, _Tp __v> |
20 | const _Tp TS<_Tp, __v>::value; |
21 | |
22 | TS<int, 2> g1; |
23 | |
24 | } |
25 | |
26 | //===----------------------------------------------------------------------===// |
27 | #elif not defined(HEADER2) |
28 | #define HEADER2 |
29 | #if !defined(HEADER1) |
30 | #error Header inclusion order messed up |
31 | #endif |
32 | |
33 | int g2 = NS::TS<int, 2>::value; |
34 | |
35 | //===----------------------------------------------------------------------===// |
36 | #else |
37 | //===----------------------------------------------------------------------===// |
38 | |
39 | // expected-warning@+1 {{reached main file}} |
40 | #warning reached main file |
41 | |
42 | int g3 = NS::TS<int, 2>::value; |
43 | |
44 | //===----------------------------------------------------------------------===// |
45 | #endif |
46 | |