110 lines
4.9 KiB
C
110 lines
4.9 KiB
C
// RUN: %clang_cc1 -triple i686-pc-linux-gnu -fsyntax-only -Wno-private-extern -verify -pedantic %s -DGNU
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// RUN: %clang_cc1 -triple i686-pc-linux-gnu -fsyntax-only -Wno-private-extern -verify -pedantic -x c++ %s -DGNU
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// RUN: %clang_cc1 -triple i686-pc-linux-gnu -fsyntax-only -Wno-private-extern -verify -pedantic %s -DC11 -D__thread=_Thread_local
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// RUN: %clang_cc1 -triple i686-pc-linux-gnu -fsyntax-only -Wno-private-extern -verify -pedantic -x c++ %s -DC11 -D__thread=_Thread_local
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// RUN: %clang_cc1 -triple i686-pc-linux-gnu -fsyntax-only -Wno-private-extern -verify -pedantic -x c++ %s -DCXX11 -D__thread=thread_local -std=c++11 -Wno-deprecated
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// RUN: %clang_cc1 -triple i686-pc-linux-gnu -fsyntax-only -Wno-private-extern -verify -pedantic -x c++ %s -DC11 -D__thread=_Thread_local -std=c++11 -Wno-deprecated
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#ifdef __cplusplus
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// In C++, we define __private_extern__ to extern.
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#undef __private_extern__
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#endif
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__thread int t1;
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__thread extern int t2;
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__thread static int t3;
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#ifdef GNU
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// expected-warning@-3 {{'__thread' before 'extern'}}
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// expected-warning@-3 {{'__thread' before 'static'}}
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#endif
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__thread __private_extern__ int t4;
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struct t5 { __thread int x; };
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#ifdef __cplusplus
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// expected-error-re@-2 {{'(__thread|_Thread_local|thread_local)' is only allowed on variable declarations}}
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#else
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// FIXME: The 'is only allowed on variable declarations' diagnostic is better here.
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// expected-error@-5 {{type name does not allow storage class to be specified}}
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#endif
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__thread int t6();
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#if defined(GNU)
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// expected-error@-2 {{'__thread' is only allowed on variable declarations}}
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#elif defined(C11)
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// expected-error@-4 {{'_Thread_local' is only allowed on variable declarations}}
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#else
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// expected-error@-6 {{'thread_local' is only allowed on variable declarations}}
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#endif
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int f(__thread int t7) { // expected-error {{' is only allowed on variable declarations}}
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__thread int t8;
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#if defined(GNU)
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// expected-error@-2 {{'__thread' variables must have global storage}}
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#elif defined(C11)
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// expected-error@-4 {{'_Thread_local' variables must have global storage}}
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#endif
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extern __thread int t9;
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static __thread int t10;
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__thread __private_extern__ int t11;
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#if __cplusplus < 201103L
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__thread auto int t12a; // expected-error-re {{cannot combine with previous '(__thread|_Thread_local)' declaration specifier}}
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auto __thread int t12b; // expected-error {{cannot combine with previous 'auto' declaration specifier}}
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#elif !defined(CXX11)
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__thread auto t12a = 0; // expected-error-re {{'_Thread_local' variables must have global storage}}
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auto __thread t12b = 0; // expected-error-re {{'_Thread_local' variables must have global storage}}
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#endif
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__thread register int t13a; // expected-error-re {{cannot combine with previous '(__thread|_Thread_local|thread_local)' declaration specifier}}
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register __thread int t13b; // expected-error {{cannot combine with previous 'register' declaration specifier}}
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}
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__thread typedef int t14; // expected-error-re {{cannot combine with previous '(__thread|_Thread_local|thread_local)' declaration specifier}}
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__thread int t15; // expected-note {{previous declaration is here}}
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extern int t15; // expected-error {{non-thread-local declaration of 't15' follows thread-local declaration}}
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extern int t16; // expected-note {{previous declaration is here}}
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__thread int t16; // expected-error {{thread-local declaration of 't16' follows non-thread-local declaration}}
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#ifdef CXX11
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extern thread_local int t17; // expected-note {{previous declaration is here}}
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_Thread_local int t17; // expected-error {{thread-local declaration of 't17' with static initialization follows declaration with dynamic initialization}}
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extern _Thread_local int t18; // expected-note {{previous declaration is here}}
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thread_local int t18; // expected-error {{thread-local declaration of 't18' with dynamic initialization follows declaration with static initialization}}
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#endif
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// PR13720
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__thread int thread_int;
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int *thread_int_ptr = &thread_int;
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#ifndef __cplusplus
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// expected-error@-2 {{initializer element is not a compile-time constant}}
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#endif
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void g() {
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int *p = &thread_int; // This is perfectly fine, though.
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}
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#if __cplusplus >= 201103L
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constexpr int *thread_int_ptr_2 = &thread_int; // expected-error {{must be initialized by a constant expression}}
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#endif
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int non_const();
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__thread int non_const_init = non_const();
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#if !defined(__cplusplus)
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// expected-error@-2 {{initializer element is not a compile-time constant}}
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#elif !defined(CXX11)
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// expected-error@-4 {{initializer for thread-local variable must be a constant expression}}
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#if __cplusplus >= 201103L
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// expected-note@-6 {{use 'thread_local' to allow this}}
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#endif
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#endif
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#ifdef __cplusplus
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struct S {
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~S();
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};
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__thread S s;
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#if !defined(CXX11)
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// expected-error@-2 {{type of thread-local variable has non-trivial destruction}}
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#if __cplusplus >= 201103L
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// expected-note@-4 {{use 'thread_local' to allow this}}
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#endif
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#endif
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#endif
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__thread int aggregate[10] = {0};
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