xref: /minix3/external/bsd/llvm/dist/clang/test/SemaCXX/declspec-thread.cpp (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1*0a6a1f1dSLionel Sambuc // RUN: %clang_cc1 -triple i686-pc-win32 -std=c++11 -fms-extensions -verify %s
2*0a6a1f1dSLionel Sambuc 
3*0a6a1f1dSLionel Sambuc __thread __declspec(thread) int a; // expected-error {{already has a thread-local storage specifier}}
4*0a6a1f1dSLionel Sambuc __declspec(thread) __thread int b; // expected-error {{already has a thread-local storage specifier}}
5*0a6a1f1dSLionel Sambuc __declspec(thread) int c(); // expected-warning {{only applies to variables}}
6*0a6a1f1dSLionel Sambuc __declspec(thread) int d;
7*0a6a1f1dSLionel Sambuc int foo();
8*0a6a1f1dSLionel Sambuc __declspec(thread) int e = foo(); // expected-error {{must be a constant expression}} expected-note {{thread_local}}
9*0a6a1f1dSLionel Sambuc 
10*0a6a1f1dSLionel Sambuc struct HasCtor { HasCtor(); int x; };
11*0a6a1f1dSLionel Sambuc __declspec(thread) HasCtor f; // expected-error {{must be a constant expression}} expected-note {{thread_local}}
12*0a6a1f1dSLionel Sambuc 
13*0a6a1f1dSLionel Sambuc struct HasDtor { ~HasDtor(); int x; };
14*0a6a1f1dSLionel Sambuc __declspec(thread) HasDtor g; // expected-error {{non-trivial destruction}} expected-note {{thread_local}}
15*0a6a1f1dSLionel Sambuc 
16*0a6a1f1dSLionel Sambuc struct HasDefaultedDefaultCtor {
17*0a6a1f1dSLionel Sambuc   HasDefaultedDefaultCtor() = default;
18*0a6a1f1dSLionel Sambuc   int x;
19*0a6a1f1dSLionel Sambuc };
20*0a6a1f1dSLionel Sambuc __declspec(thread) HasDefaultedDefaultCtor h;
21*0a6a1f1dSLionel Sambuc 
22*0a6a1f1dSLionel Sambuc struct HasConstexprCtor {
HasConstexprCtorHasConstexprCtor23*0a6a1f1dSLionel Sambuc   constexpr HasConstexprCtor(int x) : x(x) {}
24*0a6a1f1dSLionel Sambuc   int x;
25*0a6a1f1dSLionel Sambuc };
26*0a6a1f1dSLionel Sambuc __declspec(thread) HasConstexprCtor i(42);
27*0a6a1f1dSLionel Sambuc 
foo()28*0a6a1f1dSLionel Sambuc int foo() {
29*0a6a1f1dSLionel Sambuc   __declspec(thread) int a; // expected-error {{must have global storage}}
30*0a6a1f1dSLionel Sambuc   static __declspec(thread) int b;
31*0a6a1f1dSLionel Sambuc }
32*0a6a1f1dSLionel Sambuc 
33*0a6a1f1dSLionel Sambuc extern __declspec(thread) int fwd_thread_var;
34*0a6a1f1dSLionel Sambuc __declspec(thread) int fwd_thread_var = 5;
35*0a6a1f1dSLionel Sambuc 
36*0a6a1f1dSLionel Sambuc extern int fwd_thread_var_mismatch; // expected-note {{previous declaration}}
37*0a6a1f1dSLionel Sambuc __declspec(thread) int fwd_thread_var_mismatch = 5; // expected-error-re {{thread-local {{.*}} follows non-thread-local}}
38*0a6a1f1dSLionel Sambuc 
39*0a6a1f1dSLionel Sambuc extern __declspec(thread) int thread_mismatch_2; // expected-note {{previous declaration}}
40*0a6a1f1dSLionel Sambuc int thread_mismatch_2 = 5; // expected-error-re {{non-thread-local {{.*}} follows thread-local}}
41*0a6a1f1dSLionel Sambuc 
42*0a6a1f1dSLionel Sambuc typedef __declspec(thread) int tls_int_t; // expected-warning {{only applies to variables}}
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