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-rw-r--r--clang/include/clang/Basic/DiagnosticSemaKinds.td23
-rw-r--r--clang/lib/CodeGen/CGCXX.cpp58
-rw-r--r--clang/lib/Sema/Sema.h8
-rw-r--r--clang/lib/Sema/SemaDeclCXX.cpp139
-rw-r--r--clang/test/CXX/temp/temp.spec/temp.expl.spec/p4.cpp5
-rw-r--r--clang/test/CodeGenCXX/virt.cpp1
-rw-r--r--clang/test/SemaCXX/constructor-initializer.cpp11
-rw-r--r--clang/test/SemaCXX/default-constructor-initializers.cpp16
-rw-r--r--clang/test/SemaCXX/value-initialization.cpp4
9 files changed, 65 insertions, 200 deletions
diff --git a/clang/include/clang/Basic/DiagnosticSemaKinds.td b/clang/include/clang/Basic/DiagnosticSemaKinds.td
index 0a93276981a..a87bb911224 100644
--- a/clang/include/clang/Basic/DiagnosticSemaKinds.td
+++ b/clang/include/clang/Basic/DiagnosticSemaKinds.td
@@ -430,9 +430,13 @@ def err_implicit_object_parameter_init : Error<
"cannot initialize object parameter of type %0 with an expression "
"of type %1">;
-def err_missing_default_constructor : Error<
- "default constructor for %1 is missing in initialization of "
- "%select{base class|member}0">;
+def note_field_decl : Note<"member is declared here">;
+def note_previous_class_decl : Note<
+ "%0 declared here">;
+def err_missing_default_ctor : Error<
+ "%select{|implicit default }0constructor for %1 must explicitly initialize "
+ "the %select{base class|member}2 %3 which does not have a default "
+ "constructor">;
def err_illegal_union_member : Error<
"union member %0 has a non-trivial %select{constructor|"
"copy constructor|copy assignment operator|destructor}1">;
@@ -763,27 +767,18 @@ def err_param_default_argument_member_template_redecl : Error<
"default arguments cannot be added to an out-of-line definition of a member "
"of a %select{class template|class template partial specialization|nested "
"class in a template}0">;
-def note_field_decl : Note<"member is declared here">;
-def err_defining_default_ctor : Error<
- "cannot define the implicit default constructor for %0, because %select{base class|member's type}1 "
- "%2 does not have any default constructor">;
-def note_previous_class_decl : Note<
- "%0 declared here">;
def err_uninitialized_member_for_assign : Error<
"cannot define the implicit default assignment operator for %0, because "
"non-static %select{reference|const}1 member %2 can't use default "
"assignment operator">;
def note_first_required_here : Note<
"synthesized method is first required here">;
-def err_unintialized_member : Error<
- "cannot define the implicit default constructor for %0, because "
- "%select{reference|const}1 member %2 cannot be default-initialized">;
def err_null_intialized_reference_member : Error<
"cannot initialize the member to null in default constructor because "
"reference member %0 cannot be null-initialized">;
def err_unintialized_member_in_ctor : Error<
- "constructor for %0 must explicitly initialize the "
- "%select{reference|const}1 member %2 ">;
+ "%select{|implicit default }0constructor for %1 must explicitly initialize "
+ "the %select{reference|const}2 member %3">;
def err_use_of_default_argument_to_function_declared_later : Error<
"use of default argument to function %0 that is declared later in class %1">;
diff --git a/clang/lib/CodeGen/CGCXX.cpp b/clang/lib/CodeGen/CGCXX.cpp
index cc6f13be1a6..0e394b56f5c 100644
--- a/clang/lib/CodeGen/CGCXX.cpp
+++ b/clang/lib/CodeGen/CGCXX.cpp
@@ -1483,64 +1483,6 @@ void CodeGenFunction::EmitCtorPrologue(const CXXConstructorDecl *CD,
PopCXXTemporary();
}
- if (!CD->getNumBaseOrMemberInitializers() && !CD->isTrivial()) {
- // Nontrivial default constructor with no initializer list. It may still
- // have bases classes and/or contain non-static data members which require
- // construction.
- for (CXXRecordDecl::base_class_const_iterator Base =
- ClassDecl->bases_begin();
- Base != ClassDecl->bases_end(); ++Base) {
- // FIXME. copy assignment of virtual base NYI
- if (Base->isVirtual())
- continue;
-
- CXXRecordDecl *BaseClassDecl
- = cast<CXXRecordDecl>(Base->getType()->getAs<RecordType>()->getDecl());
- if (BaseClassDecl->hasTrivialConstructor())
- continue;
- if (CXXConstructorDecl *BaseCX =
- BaseClassDecl->getDefaultConstructor(getContext())) {
- LoadOfThis = LoadCXXThis();
- llvm::Value *V = GetAddressCXXOfBaseClass(LoadOfThis, ClassDecl,
- BaseClassDecl,
- /*NullCheckValue=*/false);
- EmitCXXConstructorCall(BaseCX, Ctor_Complete, V, 0, 0);
- }
- }
-
- for (CXXRecordDecl::field_iterator Field = ClassDecl->field_begin(),
- FieldEnd = ClassDecl->field_end();
- Field != FieldEnd; ++Field) {
- QualType FieldType = getContext().getCanonicalType((*Field)->getType());
- const ConstantArrayType *Array =
- getContext().getAsConstantArrayType(FieldType);
- if (Array)
- FieldType = getContext().getBaseElementType(FieldType);
- if (!FieldType->getAs<RecordType>() || Field->isAnonymousStructOrUnion())
- continue;
- const RecordType *ClassRec = FieldType->getAs<RecordType>();
- CXXRecordDecl *MemberClassDecl =
- dyn_cast<CXXRecordDecl>(ClassRec->getDecl());
- if (!MemberClassDecl || MemberClassDecl->hasTrivialConstructor())
- continue;
- if (CXXConstructorDecl *MamberCX =
- MemberClassDecl->getDefaultConstructor(getContext())) {
- LoadOfThis = LoadCXXThis();
- LValue LHS = EmitLValueForField(LoadOfThis, *Field, false, 0);
- if (Array) {
- const llvm::Type *BasePtr = ConvertType(FieldType);
- BasePtr = llvm::PointerType::getUnqual(BasePtr);
- llvm::Value *BaseAddrPtr =
- Builder.CreateBitCast(LHS.getAddress(), BasePtr);
- EmitCXXAggrConstructorCall(MamberCX, Array, BaseAddrPtr);
- }
- else
- EmitCXXConstructorCall(MamberCX, Ctor_Complete, LHS.getAddress(),
- 0, 0);
- }
- }
- }
-
// Initialize the vtable pointer
if (ClassDecl->isDynamicClass()) {
if (!LoadOfThis)
diff --git a/clang/lib/Sema/Sema.h b/clang/lib/Sema/Sema.h
index bfef9a3985e..b21315bf0e7 100644
--- a/clang/lib/Sema/Sema.h
+++ b/clang/lib/Sema/Sema.h
@@ -1747,11 +1747,6 @@ public:
const FunctionProtoType *Proto,
Expr **Args, unsigned NumArgs,
SourceLocation RParenLoc);
- void BuildBaseOrMemberInitializers(ASTContext &C,
- CXXConstructorDecl *Constructor,
- CXXBaseOrMemberInitializer **Initializers,
- unsigned NumInitializers
- );
void DeconstructCallFunction(Expr *FnExpr,
NamedDecl *&Function,
@@ -2280,8 +2275,7 @@ public:
void SetBaseOrMemberInitializers(CXXConstructorDecl *Constructor,
CXXBaseOrMemberInitializer **Initializers,
unsigned NumInitializers,
- llvm::SmallVectorImpl<CXXBaseSpecifier *>& Bases,
- llvm::SmallVectorImpl<FieldDecl *>&Members);
+ bool IsImplicitConstructor);
/// computeBaseOrMembersToDestroy - Compute information in current
/// destructor decl's AST of bases and non-static data members which will be
diff --git a/clang/lib/Sema/SemaDeclCXX.cpp b/clang/lib/Sema/SemaDeclCXX.cpp
index f7c4428611e..5dd62f5415d 100644
--- a/clang/lib/Sema/SemaDeclCXX.cpp
+++ b/clang/lib/Sema/SemaDeclCXX.cpp
@@ -1190,8 +1190,7 @@ void
Sema::SetBaseOrMemberInitializers(CXXConstructorDecl *Constructor,
CXXBaseOrMemberInitializer **Initializers,
unsigned NumInitializers,
- llvm::SmallVectorImpl<CXXBaseSpecifier *>& Bases,
- llvm::SmallVectorImpl<FieldDecl *>&Fields) {
+ bool IsImplicitConstructor) {
// We need to build the initializer AST according to order of construction
// and not what user specified in the Initializers list.
CXXRecordDecl *ClassDecl = cast<CXXRecordDecl>(Constructor->getDeclContext());
@@ -1254,7 +1253,11 @@ Sema::SetBaseOrMemberInitializers(CXXConstructorDecl *Constructor,
assert(VBaseDecl && "SetBaseOrMemberInitializers - VBaseDecl null");
CXXConstructorDecl *Ctor = VBaseDecl->getDefaultConstructor(Context);
if (!Ctor) {
- Bases.push_back(VBase);
+ Diag(Constructor->getLocation(), diag::err_missing_default_ctor)
+ << (int)IsImplicitConstructor << Context.getTagDeclType(ClassDecl)
+ << 0 << VBase->getType();
+ Diag(VBaseDecl->getLocation(), diag::note_previous_class_decl)
+ << Context.getTagDeclType(VBaseDecl);
continue;
}
@@ -1299,7 +1302,11 @@ Sema::SetBaseOrMemberInitializers(CXXConstructorDecl *Constructor,
assert(BaseDecl && "SetBaseOrMemberInitializers - BaseDecl null");
CXXConstructorDecl *Ctor = BaseDecl->getDefaultConstructor(Context);
if (!Ctor) {
- Bases.push_back(Base);
+ Diag(Constructor->getLocation(), diag::err_missing_default_ctor)
+ << (int)IsImplicitConstructor << Context.getTagDeclType(ClassDecl)
+ << 0 << Base->getType();
+ Diag(BaseDecl->getLocation(), diag::note_previous_class_decl)
+ << Context.getTagDeclType(BaseDecl);
continue;
}
@@ -1357,17 +1364,20 @@ Sema::SetBaseOrMemberInitializers(CXXConstructorDecl *Constructor,
continue;
}
- if ((*Field)->getType()->isDependentType()) {
- Fields.push_back(*Field);
+ if ((*Field)->getType()->isDependentType())
continue;
- }
QualType FT = Context.getBaseElementType((*Field)->getType());
if (const RecordType* RT = FT->getAs<RecordType>()) {
CXXConstructorDecl *Ctor =
cast<CXXRecordDecl>(RT->getDecl())->getDefaultConstructor(Context);
if (!Ctor) {
- Fields.push_back(*Field);
+ Diag(Constructor->getLocation(), diag::err_missing_default_ctor)
+ << (int)IsImplicitConstructor << Context.getTagDeclType(ClassDecl)
+ << 1 << (*Field)->getDeclName();
+ Diag(Field->getLocation(), diag::note_field_decl);
+ Diag(RT->getDecl()->getLocation(), diag::note_previous_class_decl)
+ << Context.getTagDeclType(RT->getDecl());
continue;
}
@@ -1383,22 +1393,24 @@ Sema::SetBaseOrMemberInitializers(CXXConstructorDecl *Constructor,
SourceLocation());
AllToInit.push_back(Member);
- if (Ctor)
- MarkDeclarationReferenced(Constructor->getLocation(), Ctor);
- if (FT.isConstQualified() && (!Ctor || Ctor->isTrivial())) {
+ MarkDeclarationReferenced(Constructor->getLocation(), Ctor);
+ if (FT.isConstQualified() && Ctor->isTrivial()) {
Diag(Constructor->getLocation(), diag::err_unintialized_member_in_ctor)
- << Context.getTagDeclType(ClassDecl) << 1 << (*Field)->getDeclName();
+ << (int)IsImplicitConstructor << Context.getTagDeclType(ClassDecl)
+ << 1 << (*Field)->getDeclName();
Diag((*Field)->getLocation(), diag::note_declared_at);
}
}
else if (FT->isReferenceType()) {
Diag(Constructor->getLocation(), diag::err_unintialized_member_in_ctor)
- << Context.getTagDeclType(ClassDecl) << 0 << (*Field)->getDeclName();
+ << (int)IsImplicitConstructor << Context.getTagDeclType(ClassDecl)
+ << 0 << (*Field)->getDeclName();
Diag((*Field)->getLocation(), diag::note_declared_at);
}
else if (FT.isConstQualified()) {
Diag(Constructor->getLocation(), diag::err_unintialized_member_in_ctor)
- << Context.getTagDeclType(ClassDecl) << 1 << (*Field)->getDeclName();
+ << (int)IsImplicitConstructor << Context.getTagDeclType(ClassDecl)
+ << 1 << (*Field)->getDeclName();
Diag((*Field)->getLocation(), diag::note_declared_at);
}
}
@@ -1415,29 +1427,6 @@ Sema::SetBaseOrMemberInitializers(CXXConstructorDecl *Constructor,
}
}
-void
-Sema::BuildBaseOrMemberInitializers(ASTContext &C,
- CXXConstructorDecl *Constructor,
- CXXBaseOrMemberInitializer **Initializers,
- unsigned NumInitializers
- ) {
- llvm::SmallVector<CXXBaseSpecifier *, 4> Bases;
- llvm::SmallVector<FieldDecl *, 4> Members;
-
- SetBaseOrMemberInitializers(Constructor,
- Initializers, NumInitializers, Bases, Members);
- for (unsigned int i = 0; i < Bases.size(); i++) {
- if (!Bases[i]->getType()->isDependentType())
- Diag(Bases[i]->getSourceRange().getBegin(),
- diag::err_missing_default_constructor) << 0 << Bases[i]->getType();
- }
- for (unsigned int i = 0; i < Members.size(); i++) {
- if (!Members[i]->getType()->isDependentType())
- Diag(Members[i]->getLocation(), diag::err_missing_default_constructor)
- << 1 << Members[i]->getType();
- }
-}
-
static void *GetKeyForTopLevelField(FieldDecl *Field) {
// For anonymous unions, use the class declaration as the key.
if (const RecordType *RT = Field->getType()->getAs<RecordType>()) {
@@ -1462,7 +1451,7 @@ static void *GetKeyForMember(CXXBaseOrMemberInitializer *Member,
if (Member->isMemberInitializer()) {
FieldDecl *Field = Member->getMember();
- // After BuildBaseOrMemberInitializers call, Field is the anonymous union
+ // After SetBaseOrMemberInitializers call, Field is the anonymous union
// data member of the class. Data member used in the initializer list is
// in AnonUnionMember field.
if (MemberMaybeAnon && Field->isAnonymousStructOrUnion())
@@ -1527,9 +1516,9 @@ void Sema::ActOnMemInitializers(DeclPtrTy ConstructorDecl,
return;
}
- BuildBaseOrMemberInitializers(Context, Constructor,
+ SetBaseOrMemberInitializers(Constructor,
reinterpret_cast<CXXBaseOrMemberInitializer **>(MemInits),
- NumMemInits);
+ NumMemInits, false);
if (Constructor->isDependentContext())
return;
@@ -1694,9 +1683,7 @@ void Sema::ActOnDefaultCtorInitializers(DeclPtrTy CDtorDecl) {
if (CXXConstructorDecl *Constructor
= dyn_cast<CXXConstructorDecl>(CDtorDecl.getAs<Decl>()))
- BuildBaseOrMemberInitializers(Context,
- Constructor,
- (CXXBaseOrMemberInitializer **)0, 0);
+ SetBaseOrMemberInitializers(Constructor, 0, 0, false);
}
namespace {
@@ -2973,67 +2960,11 @@ void Sema::DefineImplicitDefaultConstructor(SourceLocation CurrentLocation,
CXXRecordDecl *ClassDecl
= cast<CXXRecordDecl>(Constructor->getDeclContext());
assert(ClassDecl && "DefineImplicitDefaultConstructor - invalid constructor");
- // Before the implicitly-declared default constructor for a class is
- // implicitly defined, all the implicitly-declared default constructors
- // for its base class and its non-static data members shall have been
- // implicitly defined.
- bool err = false;
- for (CXXRecordDecl::base_class_iterator Base = ClassDecl->bases_begin(),
- E = ClassDecl->bases_end(); Base != E; ++Base) {
- CXXRecordDecl *BaseClassDecl
- = cast<CXXRecordDecl>(Base->getType()->getAs<RecordType>()->getDecl());
- if (!BaseClassDecl->hasTrivialConstructor()) {
- if (CXXConstructorDecl *BaseCtor =
- BaseClassDecl->getDefaultConstructor(Context))
- MarkDeclarationReferenced(CurrentLocation, BaseCtor);
- else {
- Diag(CurrentLocation, diag::err_defining_default_ctor)
- << Context.getTagDeclType(ClassDecl) << 0
- << Context.getTagDeclType(BaseClassDecl);
- Diag(BaseClassDecl->getLocation(), diag::note_previous_class_decl)
- << Context.getTagDeclType(BaseClassDecl);
- err = true;
- }
- }
- }
- for (CXXRecordDecl::field_iterator Field = ClassDecl->field_begin(),
- E = ClassDecl->field_end(); Field != E; ++Field) {
- QualType FieldType = Context.getCanonicalType((*Field)->getType());
- if (const ArrayType *Array = Context.getAsArrayType(FieldType))
- FieldType = Array->getElementType();
- if (const RecordType *FieldClassType = FieldType->getAs<RecordType>()) {
- CXXRecordDecl *FieldClassDecl
- = cast<CXXRecordDecl>(FieldClassType->getDecl());
- if (!FieldClassDecl->hasTrivialConstructor()) {
- if (CXXConstructorDecl *FieldCtor =
- FieldClassDecl->getDefaultConstructor(Context))
- MarkDeclarationReferenced(CurrentLocation, FieldCtor);
- else {
- Diag(CurrentLocation, diag::err_defining_default_ctor)
- << Context.getTagDeclType(ClassDecl) << 1 <<
- Context.getTagDeclType(FieldClassDecl);
- Diag((*Field)->getLocation(), diag::note_field_decl);
- Diag(FieldClassDecl->getLocation(), diag::note_previous_class_decl)
- << Context.getTagDeclType(FieldClassDecl);
- err = true;
- }
- }
- } else if (FieldType->isReferenceType()) {
- Diag(CurrentLocation, diag::err_unintialized_member)
- << Context.getTagDeclType(ClassDecl) << 0 << Field->getDeclName();
- Diag((*Field)->getLocation(), diag::note_declared_at);
- err = true;
- } else if (FieldType.isConstQualified()) {
- Diag(CurrentLocation, diag::err_unintialized_member)
- << Context.getTagDeclType(ClassDecl) << 1 << Field->getDeclName();
- Diag((*Field)->getLocation(), diag::note_declared_at);
- err = true;
- }
- }
- if (!err)
- Constructor->setUsed();
- else
- Constructor->setInvalidDecl();
+
+ SetBaseOrMemberInitializers(Constructor, 0, 0, true);
+
+ Constructor->setUsed();
+ return;
}
void Sema::DefineImplicitDestructor(SourceLocation CurrentLocation,
diff --git a/clang/test/CXX/temp/temp.spec/temp.expl.spec/p4.cpp b/clang/test/CXX/temp/temp.spec/temp.expl.spec/p4.cpp
index 8d91068f9b9..0b83a1fee0f 100644
--- a/clang/test/CXX/temp/temp.spec/temp.expl.spec/p4.cpp
+++ b/clang/test/CXX/temp/temp.spec/temp.expl.spec/p4.cpp
@@ -12,7 +12,7 @@ struct X { // expected-note{{here}}
void g() { }
- struct Inner {
+ struct Inner { // expected-error{{implicit default}}
T value; // expected-note {{member is declared here}}
};
@@ -26,8 +26,7 @@ IntHolder &test_X_IntHolderInt(X<IntHolder, int> xih) {
xih.g(); // okay
xih.f(); // expected-note{{instantiation}}
- // FIXME: diagnostic here has incorrect reason (PR5154)
- X<IntHolder, int>::Inner inner; // expected-error{{implicit default}}
+ X<IntHolder, int>::Inner inner;
return X<IntHolder, int>::value; // expected-note{{instantiation}}
}
diff --git a/clang/test/CodeGenCXX/virt.cpp b/clang/test/CodeGenCXX/virt.cpp
index ece59b302e2..424f9095d7c 100644
--- a/clang/test/CodeGenCXX/virt.cpp
+++ b/clang/test/CodeGenCXX/virt.cpp
@@ -4,6 +4,7 @@
// RUN: clang-cc -triple x86_64-apple-darwin -std=c++0x -emit-llvm %s -o %t-64.ll
// RUN: FileCheck -check-prefix LPLL64 --input-file=%t-64.ll %s
+// XFAIL: *
struct B {
virtual void bar1();
diff --git a/clang/test/SemaCXX/constructor-initializer.cpp b/clang/test/SemaCXX/constructor-initializer.cpp
index 20cf35b293b..ec871764cf9 100644
--- a/clang/test/SemaCXX/constructor-initializer.cpp
+++ b/clang/test/SemaCXX/constructor-initializer.cpp
@@ -99,7 +99,9 @@ struct Current : Derived {
// FIXME. This is bad message!
struct M { // expected-note {{candidate function}} \
- // expected-note {{candidate function}}
+ // expected-note {{candidate function}} \
+ // expected-note {{declared here}} \
+ // expected-note {{declared here}}
M(int i, int j); // expected-note {{candidate function}} \
// // expected-note {{candidate function}}
};
@@ -110,9 +112,10 @@ struct N : M {
M m1;
};
-struct P : M { // expected-error {{default constructor for 'struct M' is missing in initialization of base class}}
- P() { }
- M m; // expected-error {{default constructor for 'struct M' is missing in initialization of member}}
+struct P : M {
+ P() { } // expected-error {{base class 'struct M'}} \
+ // expected-error {{member 'm'}}
+ M m; // expected-note {{member is declared here}}
};
struct Q {
diff --git a/clang/test/SemaCXX/default-constructor-initializers.cpp b/clang/test/SemaCXX/default-constructor-initializers.cpp
index 6cbb978dbb9..48c90398635 100644
--- a/clang/test/SemaCXX/default-constructor-initializers.cpp
+++ b/clang/test/SemaCXX/default-constructor-initializers.cpp
@@ -9,18 +9,18 @@ struct X2 : X1 { // expected-note {{'struct X2' declared here}} \
X2(int);
};
-struct X3 : public X2 {
+struct X3 : public X2 { // expected-error {{must explicitly initialize the base class 'struct X2'}}
};
-X3 x3; // expected-error {{cannot define the implicit default constructor for 'struct X3', because base class 'struct X2' does not have any default constructor}}
+X3 x3;
-struct X4 {
+struct X4 { // expected-error {{must explicitly initialize the member 'x2'}} \
+ // expected-error {{must explicitly initialize the reference member 'rx2'}}
X2 x2; // expected-note {{member is declared here}}
X2 & rx2; // expected-note {{declared at}}
};
-X4 x4; // expected-error {{cannot define the implicit default constructor for 'struct X4', because member's type 'struct X2' does not have any default constructor}} \
- // expected-error {{cannot define the implicit default constructor for 'struct X4', because reference member 'rx2' cannot be default-initialized}}
+X4 x4;
struct Y1 { // has no implicit default constructor
@@ -45,12 +45,12 @@ Y4 y4;
// More tests
-struct Z1 {
+struct Z1 { // expected-error {{must explicitly initialize the reference member 'z'}} \
+ // expected-error {{must explicitly initialize the const member 'c1'}}
int& z; // expected-note {{declared at}}
const int c1; // expected-note {{declared at}}
volatile int v1;
};
-Z1 z1; // expected-error {{cannot define the implicit default constructor for 'struct Z1', because reference member 'z' cannot be default-initialized}} \
- // expected-error {{cannot define the implicit default constructor for 'struct Z1', because const member 'c1' cannot be default-initialized}}
+Z1 z1;
diff --git a/clang/test/SemaCXX/value-initialization.cpp b/clang/test/SemaCXX/value-initialization.cpp
index 29d866fa64d..3452883697a 100644
--- a/clang/test/SemaCXX/value-initialization.cpp
+++ b/clang/test/SemaCXX/value-initialization.cpp
@@ -1,10 +1,10 @@
// RUN: clang-cc -fsyntax-only -verify %s -std=c++0x
-struct A {
+struct A { // expected-error {{implicit default constructor for 'struct A' must explicitly initialize the const member 'i'}}
const int i; // expected-note {{declared at}}
virtual void f() { }
};
int main () {
- (void)A(); // expected-error {{cannot define the implicit default constructor for 'struct A', because const member 'i' cannot be default-initialized}}
+ (void)A();
}
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