491   Expected<Constant *> linkAppendingVarProto(GlobalVariable *DstGV,
885 IRLinker::linkAppendingVarProto(GlobalVariable *DstGV,  in linkAppendingVarProto()  argument
888   if (DstGV && !DstGV->isDeclaration() && !SrcGV->isDeclaration()) {  in linkAppendingVarProto()
889     if (!SrcGV->hasAppendingLinkage() || !DstGV->hasAppendingLinkage())  in linkAppendingVarProto()
895     if (DstGV->isConstant() != SrcGV->isConstant())  in linkAppendingVarProto()
898     if (DstGV->getAlign() != SrcGV->getAlign())  in linkAppendingVarProto()
902     if (DstGV->getVisibility() != SrcGV->getVisibility())  in linkAppendingVarProto()
906     if (DstGV->hasGlobalUnnamedAddr() != SrcGV->hasGlobalUnnamedAddr())  in linkAppendingVarProto()
910     if (DstGV->getSection() != SrcGV->getSection())  in linkAppendingVarProto()
914     if (DstGV->getAddressSpace() != SrcGV->getAddressSpace())  in linkAppendingVarProto()
921     return DstGV;  in linkAppendingVarProto()
948   if (DstGV && !DstGV->isDeclaration()) {  in linkAppendingVarProto()
949     ArrayType *DstTy = cast<ArrayType>(DstGV->getValueType());  in linkAppendingVarProto()
976       /*init*/ nullptr, /*name*/ "", DstGV, SrcGV->getThreadLocalMode(),  in linkAppendingVarProto()
986       (DstGV && !DstGV->isDeclaration()) ? DstGV->getInitializer() : nullptr,  in linkAppendingVarProto()
991   if (DstGV) {  in linkAppendingVarProto()
992     RAUWWorklist.push_back(std::make_pair(DstGV, NG));  in linkAppendingVarProto()