484   Expected<Constant *> linkAppendingVarProto(GlobalVariable *DstGV,
871 IRLinker::linkAppendingVarProto(GlobalVariable *DstGV,  in linkAppendingVarProto()  argument
874   if (DstGV && !DstGV->isDeclaration() && !SrcGV->isDeclaration()) {  in linkAppendingVarProto()
875     if (!SrcGV->hasAppendingLinkage() || !DstGV->hasAppendingLinkage())  in linkAppendingVarProto()
881     if (DstGV->isConstant() != SrcGV->isConstant())  in linkAppendingVarProto()
884     if (DstGV->getAlign() != SrcGV->getAlign())  in linkAppendingVarProto()
888     if (DstGV->getVisibility() != SrcGV->getVisibility())  in linkAppendingVarProto()
892     if (DstGV->hasGlobalUnnamedAddr() != SrcGV->hasGlobalUnnamedAddr())  in linkAppendingVarProto()
896     if (DstGV->getSection() != SrcGV->getSection())  in linkAppendingVarProto()
903     return DstGV;  in linkAppendingVarProto()
930   if (DstGV && !DstGV->isDeclaration()) {  in linkAppendingVarProto()
931     ArrayType *DstTy = cast<ArrayType>(DstGV->getValueType());  in linkAppendingVarProto()
958       /*init*/ nullptr, /*name*/ "", DstGV, SrcGV->getThreadLocalMode(),  in linkAppendingVarProto()
968       (DstGV && !DstGV->isDeclaration()) ? DstGV->getInitializer() : nullptr,  in linkAppendingVarProto()
973   if (DstGV) {  in linkAppendingVarProto()
975         std::make_pair(DstGV, ConstantExpr::getBitCast(NG, DstGV->getType())));  in linkAppendingVarProto()