xref: /minix3/external/bsd/llvm/dist/clang/test/SemaCXX/declspec-thread.cpp (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1 // RUN: %clang_cc1 -triple i686-pc-win32 -std=c++11 -fms-extensions -verify %s
2 
3 __thread __declspec(thread) int a; // expected-error {{already has a thread-local storage specifier}}
4 __declspec(thread) __thread int b; // expected-error {{already has a thread-local storage specifier}}
5 __declspec(thread) int c(); // expected-warning {{only applies to variables}}
6 __declspec(thread) int d;
7 int foo();
8 __declspec(thread) int e = foo(); // expected-error {{must be a constant expression}} expected-note {{thread_local}}
9 
10 struct HasCtor { HasCtor(); int x; };
11 __declspec(thread) HasCtor f; // expected-error {{must be a constant expression}} expected-note {{thread_local}}
12 
13 struct HasDtor { ~HasDtor(); int x; };
14 __declspec(thread) HasDtor g; // expected-error {{non-trivial destruction}} expected-note {{thread_local}}
15 
16 struct HasDefaultedDefaultCtor {
17   HasDefaultedDefaultCtor() = default;
18   int x;
19 };
20 __declspec(thread) HasDefaultedDefaultCtor h;
21 
22 struct HasConstexprCtor {
HasConstexprCtorHasConstexprCtor23   constexpr HasConstexprCtor(int x) : x(x) {}
24   int x;
25 };
26 __declspec(thread) HasConstexprCtor i(42);
27 
foo()28 int foo() {
29   __declspec(thread) int a; // expected-error {{must have global storage}}
30   static __declspec(thread) int b;
31 }
32 
33 extern __declspec(thread) int fwd_thread_var;
34 __declspec(thread) int fwd_thread_var = 5;
35 
36 extern int fwd_thread_var_mismatch; // expected-note {{previous declaration}}
37 __declspec(thread) int fwd_thread_var_mismatch = 5; // expected-error-re {{thread-local {{.*}} follows non-thread-local}}
38 
39 extern __declspec(thread) int thread_mismatch_2; // expected-note {{previous declaration}}
40 int thread_mismatch_2 = 5; // expected-error-re {{non-thread-local {{.*}} follows thread-local}}
41 
42 typedef __declspec(thread) int tls_int_t; // expected-warning {{only applies to variables}}
43