r198845 - PR18427: Use an appropriately-aligned buffer in APValue, to avoid a crash on
Duncan P. N. Exon Smith
dexonsmith at apple.com
Wed Jan 8 20:31:12 PST 2014
Hi Richard,
I believe that your commit r198845 has broken the following buildbot:
http://lab.llvm.org:8013/builders/clang-x86_64-darwin11-nobootstrap-RAincremental/builds/11015
Would you please fix this?
Thanks,
Duncan
On 2014 Jan 8, at 19:29, Richard Smith <richard-llvm at metafoo.co.uk> wrote:
> Author: rsmith
> Date: Wed Jan 8 21:29:54 2014
> New Revision: 198845
>
> URL: http://llvm.org/viewvc/llvm-project?rev=198845&view=rev
> Log:
> PR18427: Use an appropriately-aligned buffer in APValue, to avoid a crash on
> SPARC, where uint64_t apparently requires higher alignment than void*.
>
> Modified:
> cfe/trunk/include/clang/AST/APValue.h
> cfe/trunk/lib/AST/APValue.cpp
>
> Modified: cfe/trunk/include/clang/AST/APValue.h
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/APValue.h?rev=198845&r1=198844&r2=198845&view=diff
> ==============================================================================
> --- cfe/trunk/include/clang/AST/APValue.h (original)
> +++ cfe/trunk/include/clang/AST/APValue.h Wed Jan 8 21:29:54 2014
> @@ -108,15 +108,10 @@ private:
> };
> struct MemberPointerData;
>
> - enum {
> - MaxSize = (sizeof(ComplexAPSInt) > sizeof(ComplexAPFloat) ?
> - sizeof(ComplexAPSInt) : sizeof(ComplexAPFloat))
> - };
> -
> - union {
> - void *Aligner;
> - char Data[MaxSize];
> - };
> + // We ensure elsewhere that Data is big enough for LV and MemberPointerData.
> + llvm::AlignedCharArrayUnion<void *, APSInt, APFloat, ComplexAPSInt,
> + ComplexAPFloat, Vec, Arr, StructData, UnionData,
> + AddrLabelDiffData> Data;
>
> public:
> APValue() : Kind(Uninitialized) {}
> @@ -200,7 +195,7 @@ public:
>
> APSInt &getInt() {
> assert(isInt() && "Invalid accessor");
> - return *(APSInt*)(char*)Data;
> + return *(APSInt*)(char*)Data.buffer;
> }
> const APSInt &getInt() const {
> return const_cast<APValue*>(this)->getInt();
> @@ -208,7 +203,7 @@ public:
>
> APFloat &getFloat() {
> assert(isFloat() && "Invalid accessor");
> - return *(APFloat*)(char*)Data;
> + return *(APFloat*)(char*)Data.buffer;
> }
> const APFloat &getFloat() const {
> return const_cast<APValue*>(this)->getFloat();
> @@ -216,7 +211,7 @@ public:
>
> APSInt &getComplexIntReal() {
> assert(isComplexInt() && "Invalid accessor");
> - return ((ComplexAPSInt*)(char*)Data)->Real;
> + return ((ComplexAPSInt*)(char*)Data.buffer)->Real;
> }
> const APSInt &getComplexIntReal() const {
> return const_cast<APValue*>(this)->getComplexIntReal();
> @@ -224,7 +219,7 @@ public:
>
> APSInt &getComplexIntImag() {
> assert(isComplexInt() && "Invalid accessor");
> - return ((ComplexAPSInt*)(char*)Data)->Imag;
> + return ((ComplexAPSInt*)(char*)Data.buffer)->Imag;
> }
> const APSInt &getComplexIntImag() const {
> return const_cast<APValue*>(this)->getComplexIntImag();
> @@ -232,7 +227,7 @@ public:
>
> APFloat &getComplexFloatReal() {
> assert(isComplexFloat() && "Invalid accessor");
> - return ((ComplexAPFloat*)(char*)Data)->Real;
> + return ((ComplexAPFloat*)(char*)Data.buffer)->Real;
> }
> const APFloat &getComplexFloatReal() const {
> return const_cast<APValue*>(this)->getComplexFloatReal();
> @@ -240,7 +235,7 @@ public:
>
> APFloat &getComplexFloatImag() {
> assert(isComplexFloat() && "Invalid accessor");
> - return ((ComplexAPFloat*)(char*)Data)->Imag;
> + return ((ComplexAPFloat*)(char*)Data.buffer)->Imag;
> }
> const APFloat &getComplexFloatImag() const {
> return const_cast<APValue*>(this)->getComplexFloatImag();
> @@ -259,20 +254,20 @@ public:
> APValue &getVectorElt(unsigned I) {
> assert(isVector() && "Invalid accessor");
> assert(I < getVectorLength() && "Index out of range");
> - return ((Vec*)(char*)Data)->Elts[I];
> + return ((Vec*)(char*)Data.buffer)->Elts[I];
> }
> const APValue &getVectorElt(unsigned I) const {
> return const_cast<APValue*>(this)->getVectorElt(I);
> }
> unsigned getVectorLength() const {
> assert(isVector() && "Invalid accessor");
> - return ((const Vec*)(const void *)Data)->NumElts;
> + return ((const Vec*)(const void *)Data.buffer)->NumElts;
> }
>
> APValue &getArrayInitializedElt(unsigned I) {
> assert(isArray() && "Invalid accessor");
> assert(I < getArrayInitializedElts() && "Index out of range");
> - return ((Arr*)(char*)Data)->Elts[I];
> + return ((Arr*)(char*)Data.buffer)->Elts[I];
> }
> const APValue &getArrayInitializedElt(unsigned I) const {
> return const_cast<APValue*>(this)->getArrayInitializedElt(I);
> @@ -283,35 +278,35 @@ public:
> APValue &getArrayFiller() {
> assert(isArray() && "Invalid accessor");
> assert(hasArrayFiller() && "No array filler");
> - return ((Arr*)(char*)Data)->Elts[getArrayInitializedElts()];
> + return ((Arr*)(char*)Data.buffer)->Elts[getArrayInitializedElts()];
> }
> const APValue &getArrayFiller() const {
> return const_cast<APValue*>(this)->getArrayFiller();
> }
> unsigned getArrayInitializedElts() const {
> assert(isArray() && "Invalid accessor");
> - return ((const Arr*)(const void *)Data)->NumElts;
> + return ((const Arr*)(const void *)Data.buffer)->NumElts;
> }
> unsigned getArraySize() const {
> assert(isArray() && "Invalid accessor");
> - return ((const Arr*)(const void *)Data)->ArrSize;
> + return ((const Arr*)(const void *)Data.buffer)->ArrSize;
> }
>
> unsigned getStructNumBases() const {
> assert(isStruct() && "Invalid accessor");
> - return ((const StructData*)(const char*)Data)->NumBases;
> + return ((const StructData*)(const char*)Data.buffer)->NumBases;
> }
> unsigned getStructNumFields() const {
> assert(isStruct() && "Invalid accessor");
> - return ((const StructData*)(const char*)Data)->NumFields;
> + return ((const StructData*)(const char*)Data.buffer)->NumFields;
> }
> APValue &getStructBase(unsigned i) {
> assert(isStruct() && "Invalid accessor");
> - return ((StructData*)(char*)Data)->Elts[i];
> + return ((StructData*)(char*)Data.buffer)->Elts[i];
> }
> APValue &getStructField(unsigned i) {
> assert(isStruct() && "Invalid accessor");
> - return ((StructData*)(char*)Data)->Elts[getStructNumBases() + i];
> + return ((StructData*)(char*)Data.buffer)->Elts[getStructNumBases() + i];
> }
> const APValue &getStructBase(unsigned i) const {
> return const_cast<APValue*>(this)->getStructBase(i);
> @@ -322,11 +317,11 @@ public:
>
> const FieldDecl *getUnionField() const {
> assert(isUnion() && "Invalid accessor");
> - return ((const UnionData*)(const char*)Data)->Field;
> + return ((const UnionData*)(const char*)Data.buffer)->Field;
> }
> APValue &getUnionValue() {
> assert(isUnion() && "Invalid accessor");
> - return *((UnionData*)(char*)Data)->Value;
> + return *((UnionData*)(char*)Data.buffer)->Value;
> }
> const APValue &getUnionValue() const {
> return const_cast<APValue*>(this)->getUnionValue();
> @@ -338,41 +333,41 @@ public:
>
> const AddrLabelExpr* getAddrLabelDiffLHS() const {
> assert(isAddrLabelDiff() && "Invalid accessor");
> - return ((const AddrLabelDiffData*)(const char*)Data)->LHSExpr;
> + return ((const AddrLabelDiffData*)(const char*)Data.buffer)->LHSExpr;
> }
> const AddrLabelExpr* getAddrLabelDiffRHS() const {
> assert(isAddrLabelDiff() && "Invalid accessor");
> - return ((const AddrLabelDiffData*)(const char*)Data)->RHSExpr;
> + return ((const AddrLabelDiffData*)(const char*)Data.buffer)->RHSExpr;
> }
>
> void setInt(const APSInt &I) {
> assert(isInt() && "Invalid accessor");
> - *(APSInt*)(char*)Data = I;
> + *(APSInt*)(char*)Data.buffer = I;
> }
> void setFloat(const APFloat &F) {
> assert(isFloat() && "Invalid accessor");
> - *(APFloat*)(char*)Data = F;
> + *(APFloat*)(char*)Data.buffer = F;
> }
> void setVector(const APValue *E, unsigned N) {
> assert(isVector() && "Invalid accessor");
> - ((Vec*)(char*)Data)->Elts = new APValue[N];
> - ((Vec*)(char*)Data)->NumElts = N;
> + ((Vec*)(char*)Data.buffer)->Elts = new APValue[N];
> + ((Vec*)(char*)Data.buffer)->NumElts = N;
> for (unsigned i = 0; i != N; ++i)
> - ((Vec*)(char*)Data)->Elts[i] = E[i];
> + ((Vec*)(char*)Data.buffer)->Elts[i] = E[i];
> }
> void setComplexInt(const APSInt &R, const APSInt &I) {
> assert(R.getBitWidth() == I.getBitWidth() &&
> "Invalid complex int (type mismatch).");
> assert(isComplexInt() && "Invalid accessor");
> - ((ComplexAPSInt*)(char*)Data)->Real = R;
> - ((ComplexAPSInt*)(char*)Data)->Imag = I;
> + ((ComplexAPSInt*)(char*)Data.buffer)->Real = R;
> + ((ComplexAPSInt*)(char*)Data.buffer)->Imag = I;
> }
> void setComplexFloat(const APFloat &R, const APFloat &I) {
> assert(&R.getSemantics() == &I.getSemantics() &&
> "Invalid complex float (type mismatch).");
> assert(isComplexFloat() && "Invalid accessor");
> - ((ComplexAPFloat*)(char*)Data)->Real = R;
> - ((ComplexAPFloat*)(char*)Data)->Imag = I;
> + ((ComplexAPFloat*)(char*)Data.buffer)->Real = R;
> + ((ComplexAPFloat*)(char*)Data.buffer)->Imag = I;
> }
> void setLValue(LValueBase B, const CharUnits &O, NoLValuePath,
> unsigned CallIndex);
> @@ -381,13 +376,13 @@ public:
> unsigned CallIndex);
> void setUnion(const FieldDecl *Field, const APValue &Value) {
> assert(isUnion() && "Invalid accessor");
> - ((UnionData*)(char*)Data)->Field = Field;
> - *((UnionData*)(char*)Data)->Value = Value;
> + ((UnionData*)(char*)Data.buffer)->Field = Field;
> + *((UnionData*)(char*)Data.buffer)->Value = Value;
> }
> void setAddrLabelDiff(const AddrLabelExpr* LHSExpr,
> const AddrLabelExpr* RHSExpr) {
> - ((AddrLabelDiffData*)(char*)Data)->LHSExpr = LHSExpr;
> - ((AddrLabelDiffData*)(char*)Data)->RHSExpr = RHSExpr;
> + ((AddrLabelDiffData*)(char*)Data.buffer)->LHSExpr = LHSExpr;
> + ((AddrLabelDiffData*)(char*)Data.buffer)->RHSExpr = RHSExpr;
> }
>
> /// Assign by swapping from a copy of the RHS.
> @@ -404,46 +399,46 @@ private:
> }
> void MakeInt() {
> assert(isUninit() && "Bad state change");
> - new ((void*)Data) APSInt(1);
> + new ((void*)Data.buffer) APSInt(1);
> Kind = Int;
> }
> void MakeFloat() {
> assert(isUninit() && "Bad state change");
> - new ((void*)(char*)Data) APFloat(0.0);
> + new ((void*)(char*)Data.buffer) APFloat(0.0);
> Kind = Float;
> }
> void MakeVector() {
> assert(isUninit() && "Bad state change");
> - new ((void*)(char*)Data) Vec();
> + new ((void*)(char*)Data.buffer) Vec();
> Kind = Vector;
> }
> void MakeComplexInt() {
> assert(isUninit() && "Bad state change");
> - new ((void*)(char*)Data) ComplexAPSInt();
> + new ((void*)(char*)Data.buffer) ComplexAPSInt();
> Kind = ComplexInt;
> }
> void MakeComplexFloat() {
> assert(isUninit() && "Bad state change");
> - new ((void*)(char*)Data) ComplexAPFloat();
> + new ((void*)(char*)Data.buffer) ComplexAPFloat();
> Kind = ComplexFloat;
> }
> void MakeLValue();
> void MakeArray(unsigned InitElts, unsigned Size);
> void MakeStruct(unsigned B, unsigned M) {
> assert(isUninit() && "Bad state change");
> - new ((void*)(char*)Data) StructData(B, M);
> + new ((void*)(char*)Data.buffer) StructData(B, M);
> Kind = Struct;
> }
> void MakeUnion() {
> assert(isUninit() && "Bad state change");
> - new ((void*)(char*)Data) UnionData();
> + new ((void*)(char*)Data.buffer) UnionData();
> Kind = Union;
> }
> void MakeMemberPointer(const ValueDecl *Member, bool IsDerivedMember,
> ArrayRef<const CXXRecordDecl*> Path);
> void MakeAddrLabelDiff() {
> assert(isUninit() && "Bad state change");
> - new ((void*)(char*)Data) AddrLabelDiffData();
> + new ((void*)(char*)Data.buffer) AddrLabelDiffData();
> Kind = AddrLabelDiff;
> }
> };
>
> Modified: cfe/trunk/lib/AST/APValue.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/APValue.cpp?rev=198845&r1=198844&r2=198845&view=diff
> ==============================================================================
> --- cfe/trunk/lib/AST/APValue.cpp (original)
> +++ cfe/trunk/lib/AST/APValue.cpp Wed Jan 8 21:29:54 2014
> @@ -34,7 +34,7 @@ namespace {
>
> struct APValue::LV : LVBase {
> static const unsigned InlinePathSpace =
> - (MaxSize - sizeof(LVBase)) / sizeof(LValuePathEntry);
> + (sizeof(Data.buffer) - sizeof(LVBase)) / sizeof(LValuePathEntry);
>
> /// Path - The sequence of base classes, fields and array indices to follow to
> /// walk from Base to the subobject. When performing GCC-style folding, there
> @@ -75,7 +75,8 @@ namespace {
>
> struct APValue::MemberPointerData : MemberPointerBase {
> static const unsigned InlinePathSpace =
> - (MaxSize - sizeof(MemberPointerBase)) / sizeof(const CXXRecordDecl*);
> + (sizeof(Data.buffer) - sizeof(MemberPointerBase)) /
> + sizeof(const CXXRecordDecl *);
> typedef const CXXRecordDecl *PathElem;
> union {
> PathElem Path[InlinePathSpace];
> @@ -136,7 +137,7 @@ APValue::APValue(const APValue &RHS) : K
> break;
> case Vector:
> MakeVector();
> - setVector(((const Vec *)(const char *)RHS.Data)->Elts,
> + setVector(((const Vec *)(const char *)RHS.Data.buffer)->Elts,
> RHS.getVectorLength());
> break;
> case ComplexInt:
> @@ -188,27 +189,27 @@ APValue::APValue(const APValue &RHS) : K
>
> void APValue::DestroyDataAndMakeUninit() {
> if (Kind == Int)
> - ((APSInt*)(char*)Data)->~APSInt();
> + ((APSInt*)(char*)Data.buffer)->~APSInt();
> else if (Kind == Float)
> - ((APFloat*)(char*)Data)->~APFloat();
> + ((APFloat*)(char*)Data.buffer)->~APFloat();
> else if (Kind == Vector)
> - ((Vec*)(char*)Data)->~Vec();
> + ((Vec*)(char*)Data.buffer)->~Vec();
> else if (Kind == ComplexInt)
> - ((ComplexAPSInt*)(char*)Data)->~ComplexAPSInt();
> + ((ComplexAPSInt*)(char*)Data.buffer)->~ComplexAPSInt();
> else if (Kind == ComplexFloat)
> - ((ComplexAPFloat*)(char*)Data)->~ComplexAPFloat();
> + ((ComplexAPFloat*)(char*)Data.buffer)->~ComplexAPFloat();
> else if (Kind == LValue)
> - ((LV*)(char*)Data)->~LV();
> + ((LV*)(char*)Data.buffer)->~LV();
> else if (Kind == Array)
> - ((Arr*)(char*)Data)->~Arr();
> + ((Arr*)(char*)Data.buffer)->~Arr();
> else if (Kind == Struct)
> - ((StructData*)(char*)Data)->~StructData();
> + ((StructData*)(char*)Data.buffer)->~StructData();
> else if (Kind == Union)
> - ((UnionData*)(char*)Data)->~UnionData();
> + ((UnionData*)(char*)Data.buffer)->~UnionData();
> else if (Kind == MemberPointer)
> - ((MemberPointerData*)(char*)Data)->~MemberPointerData();
> + ((MemberPointerData*)(char*)Data.buffer)->~MemberPointerData();
> else if (Kind == AddrLabelDiff)
> - ((AddrLabelDiffData*)(char*)Data)->~AddrLabelDiffData();
> + ((AddrLabelDiffData*)(char*)Data.buffer)->~AddrLabelDiffData();
> Kind = Uninitialized;
> }
>
> @@ -239,19 +240,21 @@ bool APValue::needsCleanup() const {
> "same size.");
> return getComplexIntReal().needsCleanup();
> case LValue:
> - return reinterpret_cast<const LV *>(Data)->hasPathPtr();
> + return reinterpret_cast<const LV *>(Data.buffer)->hasPathPtr();
> case MemberPointer:
> - return reinterpret_cast<const MemberPointerData *>(Data)->hasPathPtr();
> + return reinterpret_cast<const MemberPointerData *>(Data.buffer)
> + ->hasPathPtr();
> }
> llvm_unreachable("Unknown APValue kind!");
> }
>
> void APValue::swap(APValue &RHS) {
> std::swap(Kind, RHS.Kind);
> + const unsigned MaxSize = sizeof(Data.buffer);
> char TmpData[MaxSize];
> - memcpy(TmpData, Data, MaxSize);
> - memcpy(Data, RHS.Data, MaxSize);
> - memcpy(RHS.Data, TmpData, MaxSize);
> + memcpy(TmpData, Data.buffer, MaxSize);
> + memcpy(Data.buffer, RHS.Data.buffer, MaxSize);
> + memcpy(RHS.Data.buffer, TmpData, MaxSize);
> }
>
> void APValue::dump() const {
> @@ -546,39 +549,39 @@ std::string APValue::getAsString(ASTCont
>
> const APValue::LValueBase APValue::getLValueBase() const {
> assert(isLValue() && "Invalid accessor");
> - return ((const LV*)(const void*)Data)->BaseAndIsOnePastTheEnd.getPointer();
> + return ((const LV*)(const void*)Data.buffer)->BaseAndIsOnePastTheEnd.getPointer();
> }
>
> bool APValue::isLValueOnePastTheEnd() const {
> assert(isLValue() && "Invalid accessor");
> - return ((const LV*)(const void*)Data)->BaseAndIsOnePastTheEnd.getInt();
> + return ((const LV*)(const void*)Data.buffer)->BaseAndIsOnePastTheEnd.getInt();
> }
>
> CharUnits &APValue::getLValueOffset() {
> assert(isLValue() && "Invalid accessor");
> - return ((LV*)(void*)Data)->Offset;
> + return ((LV*)(void*)Data.buffer)->Offset;
> }
>
> bool APValue::hasLValuePath() const {
> assert(isLValue() && "Invalid accessor");
> - return ((const LV*)(const char*)Data)->hasPath();
> + return ((const LV*)(const char*)Data.buffer)->hasPath();
> }
>
> ArrayRef<APValue::LValuePathEntry> APValue::getLValuePath() const {
> assert(isLValue() && hasLValuePath() && "Invalid accessor");
> - const LV &LVal = *((const LV*)(const char*)Data);
> + const LV &LVal = *((const LV*)(const char*)Data.buffer);
> return ArrayRef<LValuePathEntry>(LVal.getPath(), LVal.PathLength);
> }
>
> unsigned APValue::getLValueCallIndex() const {
> assert(isLValue() && "Invalid accessor");
> - return ((const LV*)(const char*)Data)->CallIndex;
> + return ((const LV*)(const char*)Data.buffer)->CallIndex;
> }
>
> void APValue::setLValue(LValueBase B, const CharUnits &O, NoLValuePath,
> unsigned CallIndex) {
> assert(isLValue() && "Invalid accessor");
> - LV &LVal = *((LV*)(char*)Data);
> + LV &LVal = *((LV*)(char*)Data.buffer);
> LVal.BaseAndIsOnePastTheEnd.setPointer(B);
> LVal.BaseAndIsOnePastTheEnd.setInt(false);
> LVal.Offset = O;
> @@ -590,7 +593,7 @@ void APValue::setLValue(LValueBase B, co
> ArrayRef<LValuePathEntry> Path, bool IsOnePastTheEnd,
> unsigned CallIndex) {
> assert(isLValue() && "Invalid accessor");
> - LV &LVal = *((LV*)(char*)Data);
> + LV &LVal = *((LV*)(char*)Data.buffer);
> LVal.BaseAndIsOnePastTheEnd.setPointer(B);
> LVal.BaseAndIsOnePastTheEnd.setInt(IsOnePastTheEnd);
> LVal.Offset = O;
> @@ -601,39 +604,42 @@ void APValue::setLValue(LValueBase B, co
>
> const ValueDecl *APValue::getMemberPointerDecl() const {
> assert(isMemberPointer() && "Invalid accessor");
> - const MemberPointerData &MPD = *((const MemberPointerData*)(const char*)Data);
> + const MemberPointerData &MPD =
> + *((const MemberPointerData *)(const char *)Data.buffer);
> return MPD.MemberAndIsDerivedMember.getPointer();
> }
>
> bool APValue::isMemberPointerToDerivedMember() const {
> assert(isMemberPointer() && "Invalid accessor");
> - const MemberPointerData &MPD = *((const MemberPointerData*)(const char*)Data);
> + const MemberPointerData &MPD =
> + *((const MemberPointerData *)(const char *)Data.buffer);
> return MPD.MemberAndIsDerivedMember.getInt();
> }
>
> ArrayRef<const CXXRecordDecl*> APValue::getMemberPointerPath() const {
> assert(isMemberPointer() && "Invalid accessor");
> - const MemberPointerData &MPD = *((const MemberPointerData*)(const char*)Data);
> + const MemberPointerData &MPD =
> + *((const MemberPointerData *)(const char *)Data.buffer);
> return ArrayRef<const CXXRecordDecl*>(MPD.getPath(), MPD.PathLength);
> }
>
> void APValue::MakeLValue() {
> assert(isUninit() && "Bad state change");
> - assert(sizeof(LV) <= MaxSize && "LV too big");
> - new ((void*)(char*)Data) LV();
> + assert(sizeof(LV) <= sizeof(Data.buffer) && "LV too big");
> + new ((void*)(char*)Data.buffer) LV();
> Kind = LValue;
> }
>
> void APValue::MakeArray(unsigned InitElts, unsigned Size) {
> assert(isUninit() && "Bad state change");
> - new ((void*)(char*)Data) Arr(InitElts, Size);
> + new ((void*)(char*)Data.buffer) Arr(InitElts, Size);
> Kind = Array;
> }
>
> void APValue::MakeMemberPointer(const ValueDecl *Member, bool IsDerivedMember,
> ArrayRef<const CXXRecordDecl*> Path) {
> assert(isUninit() && "Bad state change");
> - MemberPointerData *MPD = new ((void*)(char*)Data) MemberPointerData;
> + MemberPointerData *MPD = new ((void*)(char*)Data.buffer) MemberPointerData;
> Kind = MemberPointer;
> MPD->MemberAndIsDerivedMember.setPointer(Member);
> MPD->MemberAndIsDerivedMember.setInt(IsDerivedMember);
>
>
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