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-rw-r--r--test/SemaCXX/dllimport.cpp1085
1 files changed, 1085 insertions, 0 deletions
diff --git a/test/SemaCXX/dllimport.cpp b/test/SemaCXX/dllimport.cpp
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+++ b/test/SemaCXX/dllimport.cpp
@@ -0,0 +1,1085 @@
+// RUN: %clang_cc1 -triple i686-win32 -fsyntax-only -verify -std=c++11 -DMS %s
+// RUN: %clang_cc1 -triple x86_64-win32 -fsyntax-only -verify -std=c++1y -DMS %s
+// RUN: %clang_cc1 -triple i686-mingw32 -fsyntax-only -verify -std=c++1y %s
+// RUN: %clang_cc1 -triple x86_64-mingw32 -fsyntax-only -verify -std=c++11 %s
+
+// Helper structs to make templates more expressive.
+struct ImplicitInst_Imported {};
+struct ExplicitDecl_Imported {};
+struct ExplicitInst_Imported {};
+struct ExplicitSpec_Imported {};
+struct ExplicitSpec_Def_Imported {};
+struct ExplicitSpec_InlineDef_Imported {};
+struct ExplicitSpec_NotImported {};
+namespace { struct Internal {}; }
+
+
+// Invalid usage.
+__declspec(dllimport) typedef int typedef1; // expected-warning{{'dllimport' attribute only applies to variables, functions and classes}}
+typedef __declspec(dllimport) int typedef2; // expected-warning{{'dllimport' attribute only applies to variables, functions and classes}}
+typedef int __declspec(dllimport) typedef3; // expected-warning{{'dllimport' attribute only applies to variables, functions and classes}}
+typedef __declspec(dllimport) void (*FunTy)(); // expected-warning{{'dllimport' attribute only applies to variables, functions and classes}}
+enum __declspec(dllimport) Enum {}; // expected-warning{{'dllimport' attribute only applies to variables, functions and classes}}
+#if __has_feature(cxx_strong_enums)
+ enum class __declspec(dllimport) EnumClass {}; // expected-warning{{'dllimport' attribute only applies to variables, functions and classes}}
+#endif
+
+
+
+//===----------------------------------------------------------------------===//
+// Globals
+//===----------------------------------------------------------------------===//
+
+// Import declaration.
+__declspec(dllimport) extern int ExternGlobalDecl;
+
+// dllimport implies a declaration.
+__declspec(dllimport) int GlobalDecl;
+int **__attribute__((dllimport))* GlobalDeclChunkAttr;
+int GlobalDeclAttr __attribute__((dllimport));
+
+// Not allowed on definitions.
+__declspec(dllimport) extern int ExternGlobalInit = 1; // expected-error{{definition of dllimport data}}
+__declspec(dllimport) int GlobalInit1 = 1; // expected-error{{definition of dllimport data}}
+int __declspec(dllimport) GlobalInit2 = 1; // expected-error{{definition of dllimport data}}
+
+// Declare, then reject definition.
+__declspec(dllimport) extern int ExternGlobalDeclInit; // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+int ExternGlobalDeclInit = 1; // expected-warning{{'ExternGlobalDeclInit' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+
+__declspec(dllimport) int GlobalDeclInit; // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+int GlobalDeclInit = 1; // expected-warning{{'GlobalDeclInit' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+
+int *__attribute__((dllimport)) GlobalDeclChunkAttrInit; // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+int *GlobalDeclChunkAttrInit = 0; // expected-warning{{'GlobalDeclChunkAttrInit' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+
+int GlobalDeclAttrInit __attribute__((dllimport)); // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+int GlobalDeclAttrInit = 1; // expected-warning{{'GlobalDeclAttrInit' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+
+// Redeclarations
+__declspec(dllimport) extern int GlobalRedecl1;
+__declspec(dllimport) extern int GlobalRedecl1;
+
+__declspec(dllimport) int GlobalRedecl2a;
+__declspec(dllimport) int GlobalRedecl2a;
+
+int *__attribute__((dllimport)) GlobalRedecl2b;
+int *__attribute__((dllimport)) GlobalRedecl2b;
+
+int GlobalRedecl2c __attribute__((dllimport));
+int GlobalRedecl2c __attribute__((dllimport));
+
+// NB: MSVC issues a warning and makes GlobalRedecl3 dllexport. We follow GCC
+// and drop the dllimport with a warning.
+__declspec(dllimport) extern int GlobalRedecl3; // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+ extern int GlobalRedecl3; // expected-warning{{'GlobalRedecl3' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+
+ extern int GlobalRedecl4; // expected-note{{previous declaration is here}}
+__declspec(dllimport) extern int GlobalRedecl4; // expected-error{{redeclaration of 'GlobalRedecl4' cannot add 'dllimport' attribute}}
+
+// External linkage is required.
+__declspec(dllimport) static int StaticGlobal; // expected-error{{'StaticGlobal' must have external linkage when declared 'dllimport'}}
+__declspec(dllimport) Internal InternalTypeGlobal; // expected-error{{'InternalTypeGlobal' must have external linkage when declared 'dllimport'}}
+namespace { __declspec(dllimport) int InternalGlobal; } // expected-error{{'(anonymous namespace)::InternalGlobal' must have external linkage when declared 'dllimport'}}
+namespace ns { __declspec(dllimport) int ExternalGlobal; }
+
+__declspec(dllimport) auto InternalAutoTypeGlobal = Internal(); // expected-error{{'InternalAutoTypeGlobal' must have external linkage when declared 'dllimport'}}
+ // expected-error@-1{{definition of dllimport data}}
+
+// Import in local scope.
+__declspec(dllimport) float LocalRedecl1; // expected-note{{previous definition is here}}
+__declspec(dllimport) float LocalRedecl2; // expected-note{{previous definition is here}}
+__declspec(dllimport) float LocalRedecl3; // expected-note{{previous definition is here}}
+void functionScope() {
+ __declspec(dllimport) int LocalRedecl1; // expected-error{{redefinition of 'LocalRedecl1' with a different type: 'int' vs 'float'}}
+ int *__attribute__((dllimport)) LocalRedecl2; // expected-error{{redefinition of 'LocalRedecl2' with a different type: 'int *' vs 'float'}}
+ int LocalRedecl3 __attribute__((dllimport)); // expected-error{{redefinition of 'LocalRedecl3' with a different type: 'int' vs 'float'}}
+
+ __declspec(dllimport) int LocalVarDecl;
+ __declspec(dllimport) int LocalVarDef = 1; // expected-error{{definition of dllimport data}}
+ __declspec(dllimport) extern int ExternLocalVarDecl;
+ __declspec(dllimport) extern int ExternLocalVarDef = 1; // expected-error{{definition of dllimport data}}
+ __declspec(dllimport) static int StaticLocalVar; // expected-error{{'StaticLocalVar' must have external linkage when declared 'dllimport'}}
+}
+
+
+
+//===----------------------------------------------------------------------===//
+// Variable templates
+//===----------------------------------------------------------------------===//
+#if __has_feature(cxx_variable_templates)
+
+// Import declaration.
+template<typename T> __declspec(dllimport) extern int ExternVarTmplDecl;
+
+// dllimport implies a declaration.
+template<typename T> __declspec(dllimport) int VarTmplDecl;
+
+// Not allowed on definitions.
+template<typename T> __declspec(dllimport) extern int ExternVarTmplInit = 1; // expected-error{{definition of dllimport data}}
+template<typename T> __declspec(dllimport) int VarTmplInit1 = 1; // expected-error{{definition of dllimport data}}
+template<typename T> int __declspec(dllimport) VarTmplInit2 = 1; // expected-error{{definition of dllimport data}}
+
+// Declare, then reject definition.
+template<typename T> __declspec(dllimport) extern int ExternVarTmplDeclInit; // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+template<typename T> int ExternVarTmplDeclInit = 1; // expected-warning{{'ExternVarTmplDeclInit' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+
+template<typename T> __declspec(dllimport) int VarTmplDeclInit; // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+template<typename T> int VarTmplDeclInit = 1; // expected-warning{{'VarTmplDeclInit' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+
+// Redeclarations
+template<typename T> __declspec(dllimport) extern int VarTmplRedecl1;
+template<typename T> __declspec(dllimport) extern int VarTmplRedecl1;
+
+template<typename T> __declspec(dllimport) int VarTmplRedecl2;
+template<typename T> __declspec(dllimport) int VarTmplRedecl2;
+
+template<typename T> __declspec(dllimport) extern int VarTmplRedecl3; // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+template<typename T> extern int VarTmplRedecl3; // expected-warning{{'VarTmplRedecl3' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+
+template<typename T> extern int VarTmplRedecl4; // expected-note{{previous declaration is here}}
+template<typename T> __declspec(dllimport) extern int VarTmplRedecl4; // expected-error{{redeclaration of 'VarTmplRedecl4' cannot add 'dllimport' attribute}}
+
+// External linkage is required.
+template<typename T> __declspec(dllimport) static int StaticVarTmpl; // expected-error{{'StaticVarTmpl' must have external linkage when declared 'dllimport'}}
+template<typename T> __declspec(dllimport) Internal InternalTypeVarTmpl; // expected-error{{'InternalTypeVarTmpl' must have external linkage when declared 'dllimport'}}
+namespace { template<typename T> __declspec(dllimport) int InternalVarTmpl; } // expected-error{{'(anonymous namespace)::InternalVarTmpl' must have external linkage when declared 'dllimport'}}
+namespace ns { template<typename T> __declspec(dllimport) int ExternalVarTmpl; }
+
+template<typename T> __declspec(dllimport) auto InternalAutoTypeVarTmpl = Internal(); // expected-error{{definition of dllimport data}} // expected-error{{'InternalAutoTypeVarTmpl' must have external linkage when declared 'dllimport'}}
+
+
+template<typename T> int VarTmpl;
+template<typename T> __declspec(dllimport) int ImportedVarTmpl;
+
+// Import implicit instantiation of an imported variable template.
+int useVarTmpl() { return ImportedVarTmpl<ImplicitInst_Imported>; }
+
+// Import explicit instantiation declaration of an imported variable template.
+extern template int ImportedVarTmpl<ExplicitDecl_Imported>;
+
+// An explicit instantiation definition of an imported variable template cannot
+// be imported because the template must be defined which is illegal.
+
+// Import specialization of an imported variable template.
+template<> __declspec(dllimport) int ImportedVarTmpl<ExplicitSpec_Imported>;
+template<> __declspec(dllimport) int ImportedVarTmpl<ExplicitSpec_Def_Imported> = 1; // expected-error{{definition of dllimport data}}
+
+// Not importing specialization of an imported variable template without
+// explicit dllimport.
+template<> int ImportedVarTmpl<ExplicitSpec_NotImported>;
+
+
+// Import explicit instantiation declaration of a non-imported variable template.
+extern template __declspec(dllimport) int VarTmpl<ExplicitDecl_Imported>;
+
+// Import explicit instantiation definition of a non-imported variable template.
+template __declspec(dllimport) int VarTmpl<ExplicitInst_Imported>;
+
+// Import specialization of a non-imported variable template.
+template<> __declspec(dllimport) int VarTmpl<ExplicitSpec_Imported>;
+template<> __declspec(dllimport) int VarTmpl<ExplicitSpec_Def_Imported> = 1; // expected-error{{definition of dllimport data}}
+
+#endif // __has_feature(cxx_variable_templates)
+
+
+
+//===----------------------------------------------------------------------===//
+// Functions
+//===----------------------------------------------------------------------===//
+
+// Import function declaration. Check different placements.
+__attribute__((dllimport)) void decl1A(); // Sanity check with __attribute__
+__declspec(dllimport) void decl1B();
+
+void __attribute__((dllimport)) decl2A();
+void __declspec(dllimport) decl2B();
+
+// Not allowed on function definitions.
+__declspec(dllimport) void def() {} // expected-error{{dllimport cannot be applied to non-inline function definition}}
+
+// extern "C"
+extern "C" __declspec(dllimport) void externC();
+
+// Import inline function.
+__declspec(dllimport) inline void inlineFunc1() {}
+inline void __attribute__((dllimport)) inlineFunc2() {}
+
+__declspec(dllimport) inline void inlineDecl();
+ void inlineDecl() {}
+
+__declspec(dllimport) void inlineDef();
+ inline void inlineDef() {}
+
+// Redeclarations
+__declspec(dllimport) void redecl1();
+__declspec(dllimport) void redecl1();
+
+// NB: MSVC issues a warning and makes redecl2/redecl3 dllexport. We follow GCC
+// and drop the dllimport with a warning.
+__declspec(dllimport) void redecl2(); // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+ void redecl2(); // expected-warning{{'redecl2' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+
+__declspec(dllimport) void redecl3(); // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+ void redecl3() {} // expected-warning{{'redecl3' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+
+ void redecl4(); // expected-note{{previous declaration is here}}
+__declspec(dllimport) void redecl4(); // expected-error{{redeclaration of 'redecl4' cannot add 'dllimport' attribute}}
+
+ void redecl5(); // expected-note{{previous declaration is here}}
+__declspec(dllimport) inline void redecl5() {} // expected-error{{redeclaration of 'redecl5' cannot add 'dllimport' attribute}}
+
+// Friend functions
+struct FuncFriend {
+ friend __declspec(dllimport) void friend1();
+ friend __declspec(dllimport) void friend2(); // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+ friend __declspec(dllimport) void friend3(); // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+ friend void friend4(); // expected-note{{previous declaration is here}}
+ friend void friend5(); // expected-note{{previous declaration is here}}
+};
+__declspec(dllimport) void friend1();
+ void friend2(); // expected-warning{{'friend2' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+ void friend3() {} // expected-warning{{'friend3' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+__declspec(dllimport) void friend4(); // expected-error{{redeclaration of 'friend4' cannot add 'dllimport' attribute}}
+__declspec(dllimport) inline void friend5() {} // expected-error{{redeclaration of 'friend5' cannot add 'dllimport' attribute}}
+
+// Implicit declarations can be redeclared with dllimport.
+__declspec(dllimport) void* operator new(__SIZE_TYPE__ n);
+
+// External linkage is required.
+__declspec(dllimport) static int staticFunc(); // expected-error{{'staticFunc' must have external linkage when declared 'dllimport'}}
+__declspec(dllimport) Internal internalRetFunc(); // expected-error{{'internalRetFunc' must have external linkage when declared 'dllimport'}}
+namespace { __declspec(dllimport) void internalFunc(); } // expected-error{{'(anonymous namespace)::internalFunc' must have external linkage when declared 'dllimport'}}
+namespace ns { __declspec(dllimport) void externalFunc(); }
+
+// Import deleted functions.
+// FIXME: Deleted functions are definitions so a missing inline is diagnosed
+// here which is irrelevant. But because the delete keyword is parsed later
+// there is currently no straight-forward way to avoid this diagnostic.
+__declspec(dllimport) void deletedFunc() = delete; // expected-error{{attribute 'dllimport' cannot be applied to a deleted function}} expected-error{{dllimport cannot be applied to non-inline function definition}}
+__declspec(dllimport) inline void deletedInlineFunc() = delete; // expected-error{{attribute 'dllimport' cannot be applied to a deleted function}}
+
+
+
+//===----------------------------------------------------------------------===//
+// Function templates
+//===----------------------------------------------------------------------===//
+
+// Import function template declaration. Check different placements.
+template<typename T> __declspec(dllimport) void funcTmplDecl1();
+template<typename T> void __declspec(dllimport) funcTmplDecl2();
+
+// Import function template definition.
+template<typename T> __declspec(dllimport) void funcTmplDef() {} // expected-error{{dllimport cannot be applied to non-inline function definition}}
+
+// Import inline function template.
+template<typename T> __declspec(dllimport) inline void inlineFuncTmpl1() {}
+template<typename T> inline void __attribute__((dllimport)) inlineFuncTmpl2() {}
+
+template<typename T> __declspec(dllimport) inline void inlineFuncTmplDecl();
+template<typename T> void inlineFuncTmplDecl() {}
+
+template<typename T> __declspec(dllimport) void inlineFuncTmplDef();
+template<typename T> inline void inlineFuncTmplDef() {}
+
+// Redeclarations
+template<typename T> __declspec(dllimport) void funcTmplRedecl1();
+template<typename T> __declspec(dllimport) void funcTmplRedecl1();
+
+template<typename T> __declspec(dllimport) void funcTmplRedecl2(); // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+template<typename T> void funcTmplRedecl2(); // expected-warning{{'funcTmplRedecl2' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+
+template<typename T> __declspec(dllimport) void funcTmplRedecl3(); // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+template<typename T> void funcTmplRedecl3() {} // expected-warning{{'funcTmplRedecl3' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+
+template<typename T> void funcTmplRedecl4(); // expected-note{{previous declaration is here}}
+template<typename T> __declspec(dllimport) void funcTmplRedecl4(); // expected-error{{redeclaration of 'funcTmplRedecl4' cannot add 'dllimport' attribute}}
+
+template<typename T> void funcTmplRedecl5(); // expected-note{{previous declaration is here}}
+template<typename T> __declspec(dllimport) inline void funcTmplRedecl5() {} // expected-error{{redeclaration of 'funcTmplRedecl5' cannot add 'dllimport' attribute}}
+
+// Function template friends
+struct FuncTmplFriend {
+ template<typename T> friend __declspec(dllimport) void funcTmplFriend1();
+ template<typename T> friend __declspec(dllimport) void funcTmplFriend2(); // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+ template<typename T> friend __declspec(dllimport) void funcTmplFriend3(); // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+ template<typename T> friend void funcTmplFriend4(); // expected-note{{previous declaration is here}}
+ template<typename T> friend __declspec(dllimport) inline void funcTmplFriend5();
+};
+template<typename T> __declspec(dllimport) void funcTmplFriend1();
+template<typename T> void funcTmplFriend2(); // expected-warning{{'funcTmplFriend2' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+template<typename T> void funcTmplFriend3() {} // expected-warning{{'funcTmplFriend3' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+template<typename T> __declspec(dllimport) void funcTmplFriend4(); // expected-error{{redeclaration of 'funcTmplFriend4' cannot add 'dllimport' attribute}}
+template<typename T> inline void funcTmplFriend5() {}
+
+// External linkage is required.
+template<typename T> __declspec(dllimport) static int staticFuncTmpl(); // expected-error{{'staticFuncTmpl' must have external linkage when declared 'dllimport'}}
+template<typename T> __declspec(dllimport) Internal internalRetFuncTmpl(); // expected-error{{'internalRetFuncTmpl' must have external linkage when declared 'dllimport'}}
+namespace { template<typename T> __declspec(dllimport) void internalFuncTmpl(); } // expected-error{{'(anonymous namespace)::internalFuncTmpl' must have external linkage when declared 'dllimport'}}
+namespace ns { template<typename T> __declspec(dllimport) void externalFuncTmpl(); }
+
+
+template<typename T> void funcTmpl() {}
+template<typename T> inline void inlineFuncTmpl() {}
+template<typename T> __declspec(dllimport) void importedFuncTmplDecl();
+template<typename T> __declspec(dllimport) inline void importedFuncTmpl() {}
+
+// Import implicit instantiation of an imported function template.
+void useFunTmplDecl() { importedFuncTmplDecl<ImplicitInst_Imported>(); }
+void useFunTmplDef() { importedFuncTmpl<ImplicitInst_Imported>(); }
+
+// Import explicit instantiation declaration of an imported function template.
+extern template void importedFuncTmpl<ExplicitDecl_Imported>();
+
+// Import explicit instantiation definition of an imported function template.
+// NB: MSVC fails this instantiation without explicit dllimport which is most
+// likely a bug because an implicit instantiation is accepted.
+template void importedFuncTmpl<ExplicitInst_Imported>();
+
+// Import specialization of an imported function template. A definition must be
+// declared inline.
+template<> __declspec(dllimport) void importedFuncTmpl<ExplicitSpec_Imported>();
+template<> __declspec(dllimport) void importedFuncTmpl<ExplicitSpec_Def_Imported>() {} // expected-error{{dllimport cannot be applied to non-inline function definition}}
+template<> __declspec(dllimport) inline void importedFuncTmpl<ExplicitSpec_InlineDef_Imported>() {}
+
+// Not importing specialization of an imported function template without
+// explicit dllimport.
+template<> void importedFuncTmpl<ExplicitSpec_NotImported>() {}
+
+
+// Import explicit instantiation declaration of a non-imported function template.
+extern template __declspec(dllimport) void funcTmpl<ExplicitDecl_Imported>();
+extern template __declspec(dllimport) void inlineFuncTmpl<ExplicitDecl_Imported>();
+
+// Import explicit instantiation definition of a non-imported function template.
+template __declspec(dllimport) void funcTmpl<ExplicitInst_Imported>();
+template __declspec(dllimport) void inlineFuncTmpl<ExplicitInst_Imported>();
+
+// Import specialization of a non-imported function template. A definition must
+// be declared inline.
+template<> __declspec(dllimport) void funcTmpl<ExplicitSpec_Imported>();
+template<> __declspec(dllimport) void funcTmpl<ExplicitSpec_Def_Imported>() {} // expected-error{{dllimport cannot be applied to non-inline function definition}}
+template<> __declspec(dllimport) inline void funcTmpl<ExplicitSpec_InlineDef_Imported>() {}
+
+
+//===----------------------------------------------------------------------===//
+// Class members
+//===----------------------------------------------------------------------===//
+
+// Import individual members of a class.
+struct ImportMembers {
+ struct Nested {
+ __declspec(dllimport) void normalDecl();
+ __declspec(dllimport) void normalDef(); // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+ };
+
+ __declspec(dllimport) void normalDecl();
+ __declspec(dllimport) void normalDef(); // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+ __declspec(dllimport) void normalInclass() {}
+ __declspec(dllimport) void normalInlineDef();
+ __declspec(dllimport) inline void normalInlineDecl();
+ __declspec(dllimport) virtual void virtualDecl();
+ __declspec(dllimport) virtual void virtualDef(); // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+ __declspec(dllimport) virtual void virtualInclass() {}
+ __declspec(dllimport) virtual void virtualInlineDef();
+ __declspec(dllimport) virtual inline void virtualInlineDecl();
+ __declspec(dllimport) static void staticDecl();
+ __declspec(dllimport) static void staticDef(); // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+ __declspec(dllimport) static void staticInclass() {}
+ __declspec(dllimport) static void staticInlineDef();
+ __declspec(dllimport) static inline void staticInlineDecl();
+
+protected:
+ __declspec(dllimport) void protectedDecl();
+private:
+ __declspec(dllimport) void privateDecl();
+public:
+
+ __declspec(dllimport) int Field; // expected-warning{{'dllimport' attribute only applies to variables, functions and classes}}
+ __declspec(dllimport) static int StaticField;
+ __declspec(dllimport) static int StaticFieldDef; // expected-note{{attribute is here}}
+ __declspec(dllimport) static const int StaticConstField;
+ __declspec(dllimport) static const int StaticConstFieldDef; // expected-note{{attribute is here}}
+ __declspec(dllimport) static const int StaticConstFieldEqualInit = 1;
+ __declspec(dllimport) static const int StaticConstFieldBraceInit{1};
+ __declspec(dllimport) constexpr static int ConstexprField = 1;
+ __declspec(dllimport) constexpr static int ConstexprFieldDef = 1; // expected-note{{attribute is here}}
+};
+
+ void ImportMembers::Nested::normalDef() {} // expected-warning{{'ImportMembers::Nested::normalDef' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+ void ImportMembers::normalDef() {} // expected-warning{{'ImportMembers::normalDef' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+inline void ImportMembers::normalInlineDef() {}
+ void ImportMembers::normalInlineDecl() {}
+ void ImportMembers::virtualDef() {} // expected-warning{{'ImportMembers::virtualDef' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+inline void ImportMembers::virtualInlineDef() {}
+ void ImportMembers::virtualInlineDecl() {}
+ void ImportMembers::staticDef() {} // expected-warning{{'ImportMembers::staticDef' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+inline void ImportMembers::staticInlineDef() {}
+ void ImportMembers::staticInlineDecl() {}
+
+ int ImportMembers::StaticFieldDef; // expected-error{{definition of dllimport static field not allowed}}
+const int ImportMembers::StaticConstFieldDef = 1; // expected-error{{definition of dllimport static field not allowed}}
+constexpr int ImportMembers::ConstexprFieldDef; // expected-error{{definition of dllimport static field not allowed}}
+
+
+// Import on member definitions.
+struct ImportMemberDefs {
+ __declspec(dllimport) void normalDef();
+ __declspec(dllimport) void normalInlineDef();
+ __declspec(dllimport) inline void normalInlineDecl();
+ __declspec(dllimport) virtual void virtualDef();
+ __declspec(dllimport) virtual void virtualInlineDef();
+ __declspec(dllimport) virtual inline void virtualInlineDecl();
+ __declspec(dllimport) static void staticDef();
+ __declspec(dllimport) static void staticInlineDef();
+ __declspec(dllimport) static inline void staticInlineDecl();
+
+ __declspec(dllimport) static int StaticField;
+ __declspec(dllimport) static const int StaticConstField;
+ __declspec(dllimport) constexpr static int ConstexprField = 1;
+};
+
+__declspec(dllimport) void ImportMemberDefs::normalDef() {} // expected-error{{dllimport cannot be applied to non-inline function definition}}
+__declspec(dllimport) inline void ImportMemberDefs::normalInlineDef() {}
+__declspec(dllimport) void ImportMemberDefs::normalInlineDecl() {}
+__declspec(dllimport) void ImportMemberDefs::virtualDef() {} // expected-error{{dllimport cannot be applied to non-inline function definition}}
+__declspec(dllimport) inline void ImportMemberDefs::virtualInlineDef() {}
+__declspec(dllimport) void ImportMemberDefs::virtualInlineDecl() {}
+__declspec(dllimport) void ImportMemberDefs::staticDef() {} // expected-error{{dllimport cannot be applied to non-inline function definition}}
+__declspec(dllimport) inline void ImportMemberDefs::staticInlineDef() {}
+__declspec(dllimport) void ImportMemberDefs::staticInlineDecl() {}
+
+__declspec(dllimport) int ImportMemberDefs::StaticField; // expected-error{{definition of dllimport static field not allowed}} expected-note{{attribute is here}}
+__declspec(dllimport) const int ImportMemberDefs::StaticConstField = 1; // expected-error{{definition of dllimport static field not allowed}} expected-note{{attribute is here}}
+__declspec(dllimport) constexpr int ImportMemberDefs::ConstexprField; // expected-error{{definition of dllimport static field not allowed}} expected-note{{attribute is here}}
+
+
+// Import special member functions.
+struct ImportSpecials {
+ __declspec(dllimport) ImportSpecials();
+ __declspec(dllimport) ~ImportSpecials();
+ __declspec(dllimport) ImportSpecials(const ImportSpecials&);
+ __declspec(dllimport) ImportSpecials& operator=(const ImportSpecials&);
+ __declspec(dllimport) ImportSpecials(ImportSpecials&&);
+ __declspec(dllimport) ImportSpecials& operator=(ImportSpecials&&);
+};
+
+
+// Import deleted member functions.
+struct ImportDeleted {
+ __declspec(dllimport) ImportDeleted() = delete; // expected-error{{attribute 'dllimport' cannot be applied to a deleted function}}
+ __declspec(dllimport) ~ImportDeleted() = delete; // expected-error{{attribute 'dllimport' cannot be applied to a deleted function}}
+ __declspec(dllimport) ImportDeleted(const ImportDeleted&) = delete; // expected-error{{attribute 'dllimport' cannot be applied to a deleted function}}
+ __declspec(dllimport) ImportDeleted& operator=(const ImportDeleted&) = delete; // expected-error{{attribute 'dllimport' cannot be applied to a deleted function}}
+ __declspec(dllimport) ImportDeleted(ImportDeleted&&) = delete; // expected-error{{attribute 'dllimport' cannot be applied to a deleted function}}
+ __declspec(dllimport) ImportDeleted& operator=(ImportDeleted&&) = delete; // expected-error{{attribute 'dllimport' cannot be applied to a deleted function}}
+ __declspec(dllimport) void deleted() = delete; // expected-error{{attribute 'dllimport' cannot be applied to a deleted function}}
+};
+
+
+// Import allocation functions.
+struct ImportAlloc {
+ __declspec(dllimport) void* operator new(__SIZE_TYPE__);
+ __declspec(dllimport) void* operator new[](__SIZE_TYPE__);
+ __declspec(dllimport) void operator delete(void*);
+ __declspec(dllimport) void operator delete[](void*);
+};
+
+
+// Import defaulted member functions.
+struct ImportDefaulted {
+ __declspec(dllimport) ImportDefaulted() = default;
+ __declspec(dllimport) ~ImportDefaulted() = default;
+ __declspec(dllimport) ImportDefaulted(const ImportDefaulted&) = default;
+ __declspec(dllimport) ImportDefaulted& operator=(const ImportDefaulted&) = default;
+ __declspec(dllimport) ImportDefaulted(ImportDefaulted&&) = default;
+ __declspec(dllimport) ImportDefaulted& operator=(ImportDefaulted&&) = default;
+};
+
+
+// Import defaulted member function definitions.
+struct ImportDefaultedDefs {
+ __declspec(dllimport) ImportDefaultedDefs();
+ __declspec(dllimport) ~ImportDefaultedDefs(); // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+
+ __declspec(dllimport) inline ImportDefaultedDefs(const ImportDefaultedDefs&);
+ __declspec(dllimport) ImportDefaultedDefs& operator=(const ImportDefaultedDefs&);
+
+ __declspec(dllimport) ImportDefaultedDefs(ImportDefaultedDefs&&);
+ __declspec(dllimport) ImportDefaultedDefs& operator=(ImportDefaultedDefs&&); // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+};
+
+// Not allowed on definitions.
+__declspec(dllimport) ImportDefaultedDefs::ImportDefaultedDefs() = default; // expected-error{{dllimport cannot be applied to non-inline function definition}}
+
+// dllimport cannot be dropped.
+ImportDefaultedDefs::~ImportDefaultedDefs() = default; // expected-warning{{'ImportDefaultedDefs::~ImportDefaultedDefs' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+
+// Import inline declaration and definition.
+__declspec(dllimport) ImportDefaultedDefs::ImportDefaultedDefs(const ImportDefaultedDefs&) = default;
+inline ImportDefaultedDefs& ImportDefaultedDefs::operator=(const ImportDefaultedDefs&) = default;
+
+__declspec(dllimport) ImportDefaultedDefs::ImportDefaultedDefs(ImportDefaultedDefs&&) = default; // expected-error{{dllimport cannot be applied to non-inline function definition}}
+ImportDefaultedDefs& ImportDefaultedDefs::operator=(ImportDefaultedDefs&&) = default; // expected-warning{{'ImportDefaultedDefs::operator=' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+
+
+// Redeclarations cannot add dllimport.
+struct MemberRedecl {
+ void normalDef(); // expected-note{{previous declaration is here}}
+ void normalInlineDef(); // expected-note{{previous declaration is here}}
+ inline void normalInlineDecl(); // expected-note{{previous declaration is here}}
+ virtual void virtualDef(); // expected-note{{previous declaration is here}}
+ virtual void virtualInlineDef(); // expected-note{{previous declaration is here}}
+ virtual inline void virtualInlineDecl(); // expected-note{{previous declaration is here}}
+ static void staticDef(); // expected-note{{previous declaration is here}}
+ static void staticInlineDef(); // expected-note{{previous declaration is here}}
+ static inline void staticInlineDecl(); // expected-note{{previous declaration is here}}
+
+ static int StaticField; // expected-note{{previous declaration is here}}
+ static const int StaticConstField; // expected-note{{previous declaration is here}}
+ constexpr static int ConstexprField = 1; // expected-note{{previous declaration is here}}
+};
+
+__declspec(dllimport) void MemberRedecl::normalDef() {} // expected-error{{redeclaration of 'MemberRedecl::normalDef' cannot add 'dllimport' attribute}}
+ // expected-error@-1{{dllimport cannot be applied to non-inline function definition}}
+__declspec(dllimport) inline void MemberRedecl::normalInlineDef() {} // expected-error{{redeclaration of 'MemberRedecl::normalInlineDef' cannot add 'dllimport' attribute}}
+__declspec(dllimport) void MemberRedecl::normalInlineDecl() {} // expected-error{{redeclaration of 'MemberRedecl::normalInlineDecl' cannot add 'dllimport' attribute}}
+__declspec(dllimport) void MemberRedecl::virtualDef() {} // expected-error{{redeclaration of 'MemberRedecl::virtualDef' cannot add 'dllimport' attribute}}
+ // expected-error@-1{{dllimport cannot be applied to non-inline function definition}}
+__declspec(dllimport) inline void MemberRedecl::virtualInlineDef() {} // expected-error{{redeclaration of 'MemberRedecl::virtualInlineDef' cannot add 'dllimport' attribute}}
+__declspec(dllimport) void MemberRedecl::virtualInlineDecl() {} // expected-error{{redeclaration of 'MemberRedecl::virtualInlineDecl' cannot add 'dllimport' attribute}}
+__declspec(dllimport) void MemberRedecl::staticDef() {} // expected-error{{redeclaration of 'MemberRedecl::staticDef' cannot add 'dllimport' attribute}}
+ // expected-error@-1{{dllimport cannot be applied to non-inline function definition}}
+__declspec(dllimport) inline void MemberRedecl::staticInlineDef() {} // expected-error{{redeclaration of 'MemberRedecl::staticInlineDef' cannot add 'dllimport' attribute}}
+__declspec(dllimport) void MemberRedecl::staticInlineDecl() {} // expected-error{{redeclaration of 'MemberRedecl::staticInlineDecl' cannot add 'dllimport' attribute}}
+
+__declspec(dllimport) int MemberRedecl::StaticField = 1; // expected-error{{redeclaration of 'MemberRedecl::StaticField' cannot add 'dllimport' attribute}}
+ // expected-error@-1{{definition of dllimport static field not allowed}}
+ // expected-note@-2{{attribute is here}}
+__declspec(dllimport) const int MemberRedecl::StaticConstField = 1; // expected-error{{redeclaration of 'MemberRedecl::StaticConstField' cannot add 'dllimport' attribute}}
+ // expected-error@-1{{definition of dllimport static field not allowed}}
+ // expected-note@-2{{attribute is here}}
+__declspec(dllimport) constexpr int MemberRedecl::ConstexprField; // expected-error{{redeclaration of 'MemberRedecl::ConstexprField' cannot add 'dllimport' attribute}}
+ // expected-error@-1{{definition of dllimport static field not allowed}}
+ // expected-note@-2{{attribute is here}}
+
+
+
+//===----------------------------------------------------------------------===//
+// Class member templates
+//===----------------------------------------------------------------------===//
+
+struct ImportMemberTmpl {
+ template<typename T> __declspec(dllimport) void normalDecl();
+ template<typename T> __declspec(dllimport) void normalDef(); // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+ template<typename T> __declspec(dllimport) void normalInclass() {}
+ template<typename T> __declspec(dllimport) void normalInlineDef();
+ template<typename T> __declspec(dllimport) inline void normalInlineDecl();
+ template<typename T> __declspec(dllimport) static void staticDecl();
+ template<typename T> __declspec(dllimport) static void staticDef(); // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+ template<typename T> __declspec(dllimport) static void staticInclass() {}
+ template<typename T> __declspec(dllimport) static void staticInlineDef();
+ template<typename T> __declspec(dllimport) static inline void staticInlineDecl();
+
+#if __has_feature(cxx_variable_templates)
+ template<typename T> __declspec(dllimport) static int StaticField;
+ template<typename T> __declspec(dllimport) static int StaticFieldDef; // expected-note{{attribute is here}}
+ template<typename T> __declspec(dllimport) static const int StaticConstField;
+ template<typename T> __declspec(dllimport) static const int StaticConstFieldDef; // expected-note{{attribute is here}}
+ template<typename T> __declspec(dllimport) static const int StaticConstFieldEqualInit = 1;
+ template<typename T> __declspec(dllimport) static const int StaticConstFieldBraceInit{1};
+ template<typename T> __declspec(dllimport) constexpr static int ConstexprField = 1;
+ template<typename T> __declspec(dllimport) constexpr static int ConstexprFieldDef = 1; // expected-note{{attribute is here}}
+#endif // __has_feature(cxx_variable_templates)
+};
+
+template<typename T> void ImportMemberTmpl::normalDef() {} // expected-warning{{'ImportMemberTmpl::normalDef' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+template<typename T> inline void ImportMemberTmpl::normalInlineDef() {}
+template<typename T> void ImportMemberTmpl::normalInlineDecl() {}
+template<typename T> void ImportMemberTmpl::staticDef() {} // expected-warning{{'ImportMemberTmpl::staticDef' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+template<typename T> inline void ImportMemberTmpl::staticInlineDef() {}
+template<typename T> void ImportMemberTmpl::staticInlineDecl() {}
+
+#if __has_feature(cxx_variable_templates)
+template<typename T> int ImportMemberTmpl::StaticFieldDef; // expected-error{{definition of dllimport static field not allowed}}
+template<typename T> const int ImportMemberTmpl::StaticConstFieldDef = 1; // expected-error{{definition of dllimport static field not allowed}}
+template<typename T> constexpr int ImportMemberTmpl::ConstexprFieldDef; // expected-error{{definition of dllimport static field not allowed}}
+#endif // __has_feature(cxx_variable_templates)
+
+
+// Redeclarations cannot add dllimport.
+struct MemTmplRedecl {
+ template<typename T> void normalDef(); // expected-note{{previous declaration is here}}
+ template<typename T> void normalInlineDef(); // expected-note{{previous declaration is here}}
+ template<typename T> inline void normalInlineDecl(); // expected-note{{previous declaration is here}}
+ template<typename T> static void staticDef(); // expected-note{{previous declaration is here}}
+ template<typename T> static void staticInlineDef(); // expected-note{{previous declaration is here}}
+ template<typename T> static inline void staticInlineDecl(); // expected-note{{previous declaration is here}}
+
+#if __has_feature(cxx_variable_templates)
+ template<typename T> static int StaticField; // expected-note{{previous declaration is here}}
+ template<typename T> static const int StaticConstField; // expected-note{{previous declaration is here}}
+ template<typename T> constexpr static int ConstexprField = 1; // expected-note{{previous declaration is here}}
+#endif // __has_feature(cxx_variable_templates)
+};
+
+template<typename T> __declspec(dllimport) void MemTmplRedecl::normalDef() {} // expected-error{{redeclaration of 'MemTmplRedecl::normalDef' cannot add 'dllimport' attribute}}
+ // expected-error@-1{{dllimport cannot be applied to non-inline function definition}}
+template<typename T> __declspec(dllimport) inline void MemTmplRedecl::normalInlineDef() {} // expected-error{{redeclaration of 'MemTmplRedecl::normalInlineDef' cannot add 'dllimport' attribute}}
+template<typename T> __declspec(dllimport) void MemTmplRedecl::normalInlineDecl() {} // expected-error{{redeclaration of 'MemTmplRedecl::normalInlineDecl' cannot add 'dllimport' attribute}}
+template<typename T> __declspec(dllimport) void MemTmplRedecl::staticDef() {} // expected-error{{redeclaration of 'MemTmplRedecl::staticDef' cannot add 'dllimport' attribute}}
+ // expected-error@-1{{dllimport cannot be applied to non-inline function definition}}
+template<typename T> __declspec(dllimport) inline void MemTmplRedecl::staticInlineDef() {} // expected-error{{redeclaration of 'MemTmplRedecl::staticInlineDef' cannot add 'dllimport' attribute}}
+template<typename T> __declspec(dllimport) void MemTmplRedecl::staticInlineDecl() {} // expected-error{{redeclaration of 'MemTmplRedecl::staticInlineDecl' cannot add 'dllimport' attribute}}
+
+#if __has_feature(cxx_variable_templates)
+template<typename T> __declspec(dllimport) int MemTmplRedecl::StaticField = 1; // expected-error{{redeclaration of 'MemTmplRedecl::StaticField' cannot add 'dllimport' attribute}}
+ // expected-error@-1{{definition of dllimport static field not allowed}}
+ // expected-note@-2{{attribute is here}}
+template<typename T> __declspec(dllimport) const int MemTmplRedecl::StaticConstField = 1; // expected-error{{redeclaration of 'MemTmplRedecl::StaticConstField' cannot add 'dllimport' attribute}}
+ // expected-error@-1{{definition of dllimport static field not allowed}}
+ // expected-note@-2{{attribute is here}}
+template<typename T> __declspec(dllimport) constexpr int MemTmplRedecl::ConstexprField; // expected-error{{redeclaration of 'MemTmplRedecl::ConstexprField' cannot add 'dllimport' attribute}}
+ // expected-error@-1{{definition of dllimport static field not allowed}}
+ // expected-note@-2{{attribute is here}}
+#endif // __has_feature(cxx_variable_templates)
+
+
+
+struct MemFunTmpl {
+ template<typename T> void normalDef() {}
+ template<typename T> __declspec(dllimport) void importedNormal() {}
+ template<typename T> static void staticDef() {}
+ template<typename T> __declspec(dllimport) static void importedStatic() {}
+};
+
+// Import implicit instantiation of an imported member function template.
+void useMemFunTmpl() {
+ MemFunTmpl().importedNormal<ImplicitInst_Imported>();
+ MemFunTmpl().importedStatic<ImplicitInst_Imported>();
+}
+
+// Import explicit instantiation declaration of an imported member function
+// template.
+extern template void MemFunTmpl::importedNormal<ExplicitDecl_Imported>();
+extern template void MemFunTmpl::importedStatic<ExplicitDecl_Imported>();
+
+// Import explicit instantiation definition of an imported member function
+// template.
+// NB: MSVC fails this instantiation without explicit dllimport.
+template void MemFunTmpl::importedNormal<ExplicitInst_Imported>();
+template void MemFunTmpl::importedStatic<ExplicitInst_Imported>();
+
+// Import specialization of an imported member function template.
+template<> __declspec(dllimport) void MemFunTmpl::importedNormal<ExplicitSpec_Imported>();
+template<> __declspec(dllimport) void MemFunTmpl::importedNormal<ExplicitSpec_Def_Imported>() {} // error on mingw
+template<> __declspec(dllimport) inline void MemFunTmpl::importedNormal<ExplicitSpec_InlineDef_Imported>() {}
+#ifndef MSABI
+// expected-error@-3{{dllimport cannot be applied to non-inline function definition}}
+#endif
+
+template<> __declspec(dllimport) void MemFunTmpl::importedStatic<ExplicitSpec_Imported>();
+template<> __declspec(dllimport) void MemFunTmpl::importedStatic<ExplicitSpec_Def_Imported>() {} // error on mingw
+template<> __declspec(dllimport) inline void MemFunTmpl::importedStatic<ExplicitSpec_InlineDef_Imported>() {}
+#ifndef MSABI
+// expected-error@-3{{dllimport cannot be applied to non-inline function definition}}
+#endif
+
+// Not importing specialization of an imported member function template without
+// explicit dllimport.
+template<> void MemFunTmpl::importedNormal<ExplicitSpec_NotImported>() {}
+template<> void MemFunTmpl::importedStatic<ExplicitSpec_NotImported>() {}
+
+
+// Import explicit instantiation declaration of a non-imported member function
+// template.
+extern template __declspec(dllimport) void MemFunTmpl::normalDef<ExplicitDecl_Imported>();
+extern template __declspec(dllimport) void MemFunTmpl::staticDef<ExplicitDecl_Imported>();
+
+// Import explicit instantiation definition of a non-imported member function
+// template.
+template __declspec(dllimport) void MemFunTmpl::normalDef<ExplicitInst_Imported>();
+template __declspec(dllimport) void MemFunTmpl::staticDef<ExplicitInst_Imported>();
+
+// Import specialization of a non-imported member function template.
+template<> __declspec(dllimport) void MemFunTmpl::normalDef<ExplicitSpec_Imported>();
+template<> __declspec(dllimport) void MemFunTmpl::normalDef<ExplicitSpec_Def_Imported>() {} // error on mingw
+template<> __declspec(dllimport) inline void MemFunTmpl::normalDef<ExplicitSpec_InlineDef_Imported>() {}
+#ifndef MSABI
+// expected-error@-3{{dllimport cannot be applied to non-inline function definition}}
+#endif
+
+template<> __declspec(dllimport) void MemFunTmpl::staticDef<ExplicitSpec_Imported>();
+template<> __declspec(dllimport) void MemFunTmpl::staticDef<ExplicitSpec_Def_Imported>() {} // error on mingw
+template<> __declspec(dllimport) inline void MemFunTmpl::staticDef<ExplicitSpec_InlineDef_Imported>() {}
+#ifndef MSABI
+// expected-error@-3{{dllimport cannot be applied to non-inline function definition}}
+#endif
+
+
+
+#if __has_feature(cxx_variable_templates)
+struct MemVarTmpl {
+ template<typename T> static const int StaticVar = 1;
+ template<typename T> __declspec(dllimport) static const int ImportedStaticVar = 1;
+};
+
+// Import implicit instantiation of an imported member variable template.
+int useMemVarTmpl() { return MemVarTmpl::ImportedStaticVar<ImplicitInst_Imported>; }
+
+// Import explicit instantiation declaration of an imported member variable
+// template.
+extern template const int MemVarTmpl::ImportedStaticVar<ExplicitDecl_Imported>;
+
+// An explicit instantiation definition of an imported member variable template
+// cannot be imported because the template must be defined which is illegal. The
+// in-class initializer does not count.
+
+// Import specialization of an imported member variable template.
+template<> __declspec(dllimport) const int MemVarTmpl::ImportedStaticVar<ExplicitSpec_Imported>;
+template<> __declspec(dllimport) const int MemVarTmpl::ImportedStaticVar<ExplicitSpec_Def_Imported> = 1;
+ // expected-error@-1{{definition of dllimport static field not allowed}}
+ // expected-note@-2{{attribute is here}}
+
+// Not importing specialization of a member variable template without explicit
+// dllimport.
+template<> const int MemVarTmpl::ImportedStaticVar<ExplicitSpec_NotImported>;
+
+
+// Import explicit instantiation declaration of a non-imported member variable
+// template.
+extern template __declspec(dllimport) const int MemVarTmpl::StaticVar<ExplicitDecl_Imported>;
+
+// An explicit instantiation definition of a non-imported member variable template
+// cannot be imported because the template must be defined which is illegal. The
+// in-class initializer does not count.
+
+// Import specialization of a non-imported member variable template.
+template<> __declspec(dllimport) const int MemVarTmpl::StaticVar<ExplicitSpec_Imported>;
+template<> __declspec(dllimport) const int MemVarTmpl::StaticVar<ExplicitSpec_Def_Imported> = 1;
+ // expected-error@-1{{definition of dllimport static field not allowed}}
+ // expected-note@-2{{attribute is here}}
+
+#endif // __has_feature(cxx_variable_templates)
+
+
+
+//===----------------------------------------------------------------------===//
+// Class template members
+//===----------------------------------------------------------------------===//
+
+// Import individual members of a class template.
+template<typename T>
+struct ImportClassTmplMembers {
+ __declspec(dllimport) void normalDecl();
+ __declspec(dllimport) void normalDef(); // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+ __declspec(dllimport) void normalInclass() {}
+ __declspec(dllimport) void normalInlineDef();
+ __declspec(dllimport) inline void normalInlineDecl();
+ __declspec(dllimport) virtual void virtualDecl();
+ __declspec(dllimport) virtual void virtualDef(); // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+ __declspec(dllimport) virtual void virtualInclass() {}
+ __declspec(dllimport) virtual void virtualInlineDef();
+ __declspec(dllimport) virtual inline void virtualInlineDecl();
+ __declspec(dllimport) static void staticDecl();
+ __declspec(dllimport) static void staticDef(); // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+ __declspec(dllimport) static void staticInclass() {}
+ __declspec(dllimport) static void staticInlineDef();
+ __declspec(dllimport) static inline void staticInlineDecl();
+
+protected:
+ __declspec(dllimport) void protectedDecl();
+private:
+ __declspec(dllimport) void privateDecl();
+public:
+
+ __declspec(dllimport) int Field; // expected-warning{{'dllimport' attribute only applies to variables, functions and classes}}
+ __declspec(dllimport) static int StaticField;
+ __declspec(dllimport) static int StaticFieldDef; // expected-note{{attribute is here}}
+ __declspec(dllimport) static const int StaticConstField;
+ __declspec(dllimport) static const int StaticConstFieldDef; // expected-note{{attribute is here}}
+ __declspec(dllimport) static const int StaticConstFieldEqualInit = 1;
+ __declspec(dllimport) static const int StaticConstFieldBraceInit{1};
+ __declspec(dllimport) constexpr static int ConstexprField = 1;
+ __declspec(dllimport) constexpr static int ConstexprFieldDef = 1; // expected-note{{attribute is here}}
+};
+
+// NB: MSVC is inconsistent here and disallows *InlineDef on class templates,
+// but allows it on classes. We allow both.
+template<typename T> void ImportClassTmplMembers<T>::normalDef() {} // expected-warning{{'ImportClassTmplMembers::normalDef' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+template<typename T> inline void ImportClassTmplMembers<T>::normalInlineDef() {}
+template<typename T> void ImportClassTmplMembers<T>::normalInlineDecl() {}
+template<typename T> void ImportClassTmplMembers<T>::virtualDef() {} // expected-warning{{'ImportClassTmplMembers::virtualDef' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+template<typename T> inline void ImportClassTmplMembers<T>::virtualInlineDef() {}
+template<typename T> void ImportClassTmplMembers<T>::virtualInlineDecl() {}
+template<typename T> void ImportClassTmplMembers<T>::staticDef() {} // expected-warning{{'ImportClassTmplMembers::staticDef' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+template<typename T> inline void ImportClassTmplMembers<T>::staticInlineDef() {}
+template<typename T> void ImportClassTmplMembers<T>::staticInlineDecl() {}
+
+template<typename T> int ImportClassTmplMembers<T>::StaticFieldDef; // expected-warning{{definition of dllimport static field}}
+template<typename T> const int ImportClassTmplMembers<T>::StaticConstFieldDef = 1; // expected-warning{{definition of dllimport static field}}
+template<typename T> constexpr int ImportClassTmplMembers<T>::ConstexprFieldDef; // expected-warning{{definition of dllimport static field}}
+
+
+// Redeclarations cannot add dllimport.
+template<typename T>
+struct CTMR /*ClassTmplMemberRedecl*/ {
+ void normalDef(); // expected-note{{previous declaration is here}}
+ void normalInlineDef(); // expected-note{{previous declaration is here}}
+ inline void normalInlineDecl(); // expected-note{{previous declaration is here}}
+ virtual void virtualDef(); // expected-note{{previous declaration is here}}
+ virtual void virtualInlineDef(); // expected-note{{previous declaration is here}}
+ virtual inline void virtualInlineDecl(); // expected-note{{previous declaration is here}}
+ static void staticDef(); // expected-note{{previous declaration is here}}
+ static void staticInlineDef(); // expected-note{{previous declaration is here}}
+ static inline void staticInlineDecl(); // expected-note{{previous declaration is here}}
+
+ static int StaticField; // expected-note{{previous declaration is here}}
+ static const int StaticConstField; // expected-note{{previous declaration is here}}
+ constexpr static int ConstexprField = 1; // expected-note{{previous declaration is here}}
+};
+
+template<typename T> __declspec(dllimport) void CTMR<T>::normalDef() {} // expected-error{{redeclaration of 'CTMR::normalDef' cannot add 'dllimport' attribute}}
+ // expected-error@-1{{dllimport cannot be applied to non-inline function definition}}
+template<typename T> __declspec(dllimport) inline void CTMR<T>::normalInlineDef() {} // expected-error{{redeclaration of 'CTMR::normalInlineDef' cannot add 'dllimport' attribute}}
+template<typename T> __declspec(dllimport) void CTMR<T>::normalInlineDecl() {} // expected-error{{redeclaration of 'CTMR::normalInlineDecl' cannot add 'dllimport' attribute}}
+template<typename T> __declspec(dllimport) void CTMR<T>::virtualDef() {} // expected-error{{redeclaration of 'CTMR::virtualDef' cannot add 'dllimport' attribute}}
+ // expected-error@-1{{dllimport cannot be applied to non-inline function definition}}
+template<typename T> __declspec(dllimport) inline void CTMR<T>::virtualInlineDef() {} // expected-error{{redeclaration of 'CTMR::virtualInlineDef' cannot add 'dllimport' attribute}}
+template<typename T> __declspec(dllimport) void CTMR<T>::virtualInlineDecl() {} // expected-error{{redeclaration of 'CTMR::virtualInlineDecl' cannot add 'dllimport' attribute}}
+template<typename T> __declspec(dllimport) void CTMR<T>::staticDef() {} // expected-error{{redeclaration of 'CTMR::staticDef' cannot add 'dllimport' attribute}}
+ // expected-error@-1{{dllimport cannot be applied to non-inline function definition}}
+template<typename T> __declspec(dllimport) inline void CTMR<T>::staticInlineDef() {} // expected-error{{redeclaration of 'CTMR::staticInlineDef' cannot add 'dllimport' attribute}}
+template<typename T> __declspec(dllimport) void CTMR<T>::staticInlineDecl() {} // expected-error{{redeclaration of 'CTMR::staticInlineDecl' cannot add 'dllimport' attribute}}
+
+template<typename T> __declspec(dllimport) int CTMR<T>::StaticField = 1; // expected-error{{redeclaration of 'CTMR::StaticField' cannot add 'dllimport' attribute}}
+ // expected-warning@-1{{definition of dllimport static field}}
+ // expected-note@-2{{attribute is here}}
+template<typename T> __declspec(dllimport) const int CTMR<T>::StaticConstField = 1; // expected-error{{redeclaration of 'CTMR::StaticConstField' cannot add 'dllimport' attribute}}
+ // expected-warning@-1{{definition of dllimport static field}}
+ // expected-note@-2{{attribute is here}}
+template<typename T> __declspec(dllimport) constexpr int CTMR<T>::ConstexprField; // expected-error{{redeclaration of 'CTMR::ConstexprField' cannot add 'dllimport' attribute}}
+ // expected-warning@-1{{definition of dllimport static field}}
+ // expected-note@-2{{attribute is here}}
+
+
+
+//===----------------------------------------------------------------------===//
+// Class template member templates
+//===----------------------------------------------------------------------===//
+
+template<typename T>
+struct ImportClsTmplMemTmpl {
+ template<typename U> __declspec(dllimport) void normalDecl();
+ template<typename U> __declspec(dllimport) void normalDef(); // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+ template<typename U> __declspec(dllimport) void normalInclass() {}
+ template<typename U> __declspec(dllimport) void normalInlineDef();
+ template<typename U> __declspec(dllimport) inline void normalInlineDecl();
+ template<typename U> __declspec(dllimport) static void staticDecl();
+ template<typename U> __declspec(dllimport) static void staticDef(); // expected-note{{previous declaration is here}} expected-note{{previous attribute is here}}
+ template<typename U> __declspec(dllimport) static void staticInclass() {}
+ template<typename U> __declspec(dllimport) static void staticInlineDef();
+ template<typename U> __declspec(dllimport) static inline void staticInlineDecl();
+
+#if __has_feature(cxx_variable_templates)
+ template<typename U> __declspec(dllimport) static int StaticField;
+ template<typename U> __declspec(dllimport) static int StaticFieldDef; // expected-note{{attribute is here}}
+ template<typename U> __declspec(dllimport) static const int StaticConstField;
+ template<typename U> __declspec(dllimport) static const int StaticConstFieldDef; // expected-note{{attribute is here}}
+ template<typename U> __declspec(dllimport) static const int StaticConstFieldEqualInit = 1;
+ template<typename U> __declspec(dllimport) static const int StaticConstFieldBraceInit{1};
+ template<typename U> __declspec(dllimport) constexpr static int ConstexprField = 1;
+ template<typename U> __declspec(dllimport) constexpr static int ConstexprFieldDef = 1; // expected-note{{attribute is here}}
+#endif // __has_feature(cxx_variable_templates)
+};
+
+template<typename T> template<typename U> void ImportClsTmplMemTmpl<T>::normalDef() {} // expected-warning{{'ImportClsTmplMemTmpl::normalDef' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+template<typename T> template<typename U> inline void ImportClsTmplMemTmpl<T>::normalInlineDef() {}
+template<typename T> template<typename U> void ImportClsTmplMemTmpl<T>::normalInlineDecl() {}
+template<typename T> template<typename U> void ImportClsTmplMemTmpl<T>::staticDef() {} // expected-warning{{'ImportClsTmplMemTmpl::staticDef' redeclared without 'dllimport' attribute: previous 'dllimport' ignored}}
+template<typename T> template<typename U> inline void ImportClsTmplMemTmpl<T>::staticInlineDef() {}
+template<typename T> template<typename U> void ImportClsTmplMemTmpl<T>::staticInlineDecl() {}
+
+#if __has_feature(cxx_variable_templates)
+template<typename T> template<typename U> int ImportClsTmplMemTmpl<T>::StaticFieldDef; // expected-warning{{definition of dllimport static field}}
+template<typename T> template<typename U> const int ImportClsTmplMemTmpl<T>::StaticConstFieldDef = 1; // expected-warning{{definition of dllimport static field}}
+template<typename T> template<typename U> constexpr int ImportClsTmplMemTmpl<T>::ConstexprFieldDef; // expected-warning{{definition of dllimport static field}}
+#endif // __has_feature(cxx_variable_templates)
+
+
+// Redeclarations cannot add dllimport.
+template<typename T>
+struct CTMTR /*ClassTmplMemberTmplRedecl*/ {
+ template<typename U> void normalDef(); // expected-note{{previous declaration is here}}
+ template<typename U> void normalInlineDef(); // expected-note{{previous declaration is here}}
+ template<typename U> inline void normalInlineDecl(); // expected-note{{previous declaration is here}}
+ template<typename U> static void staticDef(); // expected-note{{previous declaration is here}}
+ template<typename U> static void staticInlineDef(); // expected-note{{previous declaration is here}}
+ template<typename U> static inline void staticInlineDecl(); // expected-note{{previous declaration is here}}
+
+#if __has_feature(cxx_variable_templates)
+ template<typename U> static int StaticField; // expected-note{{previous declaration is here}}
+ template<typename U> static const int StaticConstField; // expected-note{{previous declaration is here}}
+ template<typename U> constexpr static int ConstexprField = 1; // expected-note{{previous declaration is here}}
+#endif // __has_feature(cxx_variable_templates)
+};
+
+template<typename T> template<typename U> __declspec(dllimport) void CTMTR<T>::normalDef() {} // expected-error{{redeclaration of 'CTMTR::normalDef' cannot add 'dllimport' attribute}}
+ // expected-error@-1{{dllimport cannot be applied to non-inline function definition}}
+template<typename T> template<typename U> __declspec(dllimport) inline void CTMTR<T>::normalInlineDef() {} // expected-error{{redeclaration of 'CTMTR::normalInlineDef' cannot add 'dllimport' attribute}}
+template<typename T> template<typename U> __declspec(dllimport) void CTMTR<T>::normalInlineDecl() {} // expected-error{{redeclaration of 'CTMTR::normalInlineDecl' cannot add 'dllimport' attribute}}
+template<typename T> template<typename U> __declspec(dllimport) void CTMTR<T>::staticDef() {} // expected-error{{redeclaration of 'CTMTR::staticDef' cannot add 'dllimport' attribute}}
+ // expected-error@-1{{dllimport cannot be applied to non-inline function definition}}
+template<typename T> template<typename U> __declspec(dllimport) inline void CTMTR<T>::staticInlineDef() {} // expected-error{{redeclaration of 'CTMTR::staticInlineDef' cannot add 'dllimport' attribute}}
+template<typename T> template<typename U> __declspec(dllimport) void CTMTR<T>::staticInlineDecl() {} // expected-error{{redeclaration of 'CTMTR::staticInlineDecl' cannot add 'dllimport' attribute}}
+
+#if __has_feature(cxx_variable_templates)
+template<typename T> template<typename U> __declspec(dllimport) int CTMTR<T>::StaticField = 1; // expected-error{{redeclaration of 'CTMTR::StaticField' cannot add 'dllimport' attribute}}
+ // expected-warning@-1{{definition of dllimport static field}}
+ // expected-note@-2{{attribute is here}}
+template<typename T> template<typename U> __declspec(dllimport) const int CTMTR<T>::StaticConstField = 1; // expected-error{{redeclaration of 'CTMTR::StaticConstField' cannot add 'dllimport' attribute}}
+ // expected-warning@-1{{definition of dllimport static field}}
+ // expected-note@-2{{attribute is here}}
+template<typename T> template<typename U> __declspec(dllimport) constexpr int CTMTR<T>::ConstexprField; // expected-error{{redeclaration of 'CTMTR::ConstexprField' cannot add 'dllimport' attribute}}
+ // expected-warning@-1{{definition of dllimport static field}}
+ // expected-note@-2{{attribute is here}}
+#endif // __has_feature(cxx_variable_templates)
+
+
+
+//===----------------------------------------------------------------------===//
+// Classes
+//===----------------------------------------------------------------------===//
+
+class __declspec(dllimport) ClassDecl;
+
+class __declspec(dllimport) ClassDef { };
+
+template <typename T> class ClassTemplate {};
+
+#ifdef MS
+// expected-note@+5{{previous attribute is here}}
+// expected-note@+4{{previous attribute is here}}
+// expected-error@+4{{attribute 'dllexport' cannot be applied to member of 'dllimport' class}}
+// expected-error@+4{{attribute 'dllimport' cannot be applied to member of 'dllimport' class}}
+#endif
+class __declspec(dllimport) ImportClassWithDllMember {
+ void __declspec(dllexport) foo();
+ void __declspec(dllimport) bar();
+};
+
+#ifdef MS
+// expected-note@+5{{previous attribute is here}}
+// expected-note@+4{{previous attribute is here}}
+// expected-error@+4{{attribute 'dllimport' cannot be applied to member of 'dllexport' class}}
+// expected-error@+4{{attribute 'dllexport' cannot be applied to member of 'dllexport' class}}
+#endif
+class __declspec(dllexport) ExportClassWithDllMember {
+ void __declspec(dllimport) foo();
+ void __declspec(dllexport) bar();
+};
+
+namespace ImportedExplicitSpecialization {
+template <typename T> struct S { static int x; };
+template <typename T> int S<T>::x = sizeof(T);
+template <> struct __declspec(dllimport) S<int> { static int x; }; // expected-note{{attribute is here}}
+int S<int>::x = -1; // expected-error{{definition of dllimport static field not allowed}}
+}
+
+namespace PR19988 {
+// Don't error about applying delete to dllimport member function when instantiating.
+template <typename> struct __declspec(dllimport) S {
+ void foo() = delete;
+};
+S<int> s;
+}
+
+#ifdef MS
+// expected-warning@+3{{'dllimport' attribute ignored}}
+#endif
+template <typename T> struct PartiallySpecializedClassTemplate {};
+template <typename T> struct __declspec(dllimport) PartiallySpecializedClassTemplate<T*> { void f() {} };
+
+template <typename T> struct ExpliciallySpecializedClassTemplate {};
+template <> struct __declspec(dllimport) ExpliciallySpecializedClassTemplate<int> { void f() {} };
+
+
+//===----------------------------------------------------------------------===//
+// Classes with template base classes
+//===----------------------------------------------------------------------===//
+
+template <typename T> class __declspec(dllexport) ExportedClassTemplate {};
+
+template <typename T> class __declspec(dllimport) ImportedClassTemplate {};
+
+// ClassTemplate<int> gets imported.
+class __declspec(dllimport) DerivedFromTemplate : public ClassTemplate<int> {};
+
+// ClassTemplate<int> is already imported.
+class __declspec(dllimport) DerivedFromTemplate2 : public ClassTemplate<int> {};
+
+// ImportedClassTemplate is expliitly imported.
+class __declspec(dllimport) DerivedFromImportedTemplate : public ImportedClassTemplate<int> {};
+
+// ExportedClassTemplate is explicitly exported.
+class __declspec(dllimport) DerivedFromExportedTemplate : public ExportedClassTemplate<int> {};
+
+#ifdef MS
+// expected-note@+4{{class template 'ClassTemplate<double>' was instantiated here}}
+// expected-warning@+4{{propagating dll attribute to already instantiated base class template without dll attribute is not supported}}
+// expected-note@+3{{attribute is here}}
+#endif
+class DerivedFromTemplateD : public ClassTemplate<double> {};
+class __declspec(dllimport) DerivedFromTemplateD2 : public ClassTemplate<double> {};
+
+#ifdef MS
+// expected-note@+4{{class template 'ClassTemplate<bool>' was instantiated here}}
+// expected-warning@+4{{propagating dll attribute to already instantiated base class template with different dll attribute is not supported}}
+// expected-note@+3{{attribute is here}}
+#endif
+class __declspec(dllexport) DerivedFromTemplateB : public ClassTemplate<bool> {};
+class __declspec(dllimport) DerivedFromTemplateB2 : public ClassTemplate<bool> {};
+
+template <typename T> struct ExplicitlySpecializedTemplate { void func() {} };
+#ifdef MS
+// expected-note@+2{{class template 'ExplicitlySpecializedTemplate<int>' was explicitly specialized here}}
+#endif
+template <> struct ExplicitlySpecializedTemplate<int> { void func() {} };
+template <typename T> struct ExplicitlyExportSpecializedTemplate { void func() {} };
+template <> struct __declspec(dllexport) ExplicitlyExportSpecializedTemplate<int> { void func() {} };
+template <typename T> struct ExplicitlyImportSpecializedTemplate { void func() {} };
+template <> struct __declspec(dllimport) ExplicitlyImportSpecializedTemplate<int> { void func() {} };
+
+template <typename T> struct ExplicitlyInstantiatedTemplate { void func() {} };
+#ifdef MS
+// expected-note@+2{{class template 'ExplicitlyInstantiatedTemplate<int>' was instantiated here}}
+#endif
+template struct ExplicitlyInstantiatedTemplate<int>;
+template <typename T> struct ExplicitlyExportInstantiatedTemplate { void func() {} };
+template struct __declspec(dllexport) ExplicitlyExportInstantiatedTemplate<int>;
+template <typename T> struct ExplicitlyImportInstantiatedTemplate { void func() {} };
+template struct __declspec(dllimport) ExplicitlyImportInstantiatedTemplate<int>;
+
+#ifdef MS
+// expected-warning@+3{{propagating dll attribute to explicitly specialized base class template without dll attribute is not supported}}
+// expected-note@+2{{attribute is here}}
+#endif
+struct __declspec(dllimport) DerivedFromExplicitlySpecializedTemplate : public ExplicitlySpecializedTemplate<int> {};
+
+// Base class already specialized with export attribute.
+struct __declspec(dllimport) DerivedFromExplicitlyExportSpecializedTemplate : public ExplicitlyExportSpecializedTemplate<int> {};
+
+// Base class already specialized with import attribute.
+struct __declspec(dllimport) DerivedFromExplicitlyImportSpecializedTemplate : public ExplicitlyImportSpecializedTemplate<int> {};
+
+#ifdef MS
+// expected-warning@+3{{propagating dll attribute to already instantiated base class template without dll attribute is not supported}}
+// expected-note@+2{{attribute is here}}
+#endif
+struct __declspec(dllimport) DerivedFromExplicitlyInstantiatedTemplate : public ExplicitlyInstantiatedTemplate<int> {};
+
+// Base class already instantiated with export attribute.
+struct __declspec(dllimport) DerivedFromExplicitlyExportInstantiatedTemplate : public ExplicitlyExportInstantiatedTemplate<int> {};
+
+// Base class already instantiated with import attribute.
+struct __declspec(dllimport) DerivedFromExplicitlyImportInstantiatedTemplate : public ExplicitlyImportInstantiatedTemplate<int> {};