2466   if (Value.isUnion() && Value.getUnionField()) {  in CheckEvaluationResult()
3520   if (RD->isUnion())  in isReadByLvalueToRvalueConversion()
3554         (RD->isUnion() || isReadByLvalueToRvalueConversion(Field->getType()))) {  in diagnoseMutableFields()
3837       if (RD->isUnion()) {  in findSubobject()
4873     if (RD->isUnion()) {  in handleDefaultInitValue()
6088       if (FD->getParent()->isUnion()) {  in MaybeHandleUnionActiveMemberChange()
6273       (MD->getParent()->isUnion() ||  in HandleFunctionCall()
6280                            MD->getParent()->isUnion()))  in HandleFunctionCall()
6359       (Definition->getParent()->isUnion() ||  in HandleConstructorCall()
6363                              Definition->getParent()->isUnion());  in HandleConstructorCall()
6368     if (!RD->isUnion())  in HandleConstructorCall()
6431       if (RD->isUnion()) {  in HandleConstructorCall()
6451             (Value->isUnion() && Value->getUnionField() != FD)) {  in HandleConstructorCall()
6452           if (CD->isUnion())  in HandleConstructorCall()
6467         if (CD->isUnion())  in HandleConstructorCall()
6470           if (C == IndirectFieldChain.front() && !RD->isUnion())  in HandleConstructorCall()
6508   if (!RD->isUnion()) {  in HandleConstructorCall()
6613       (RD->isAnonymousStructOrUnion() && RD->isUnion())) {  in HandleDestructionImpl()
6663   if (RD->isUnion())  in HandleDestructionImpl()
10138   assert(!RD->isUnion() && "Expected non-union class type");  in HandleClassZeroInitialization()
10181   if (RD->isUnion()) {  in ZeroInitialization()
10259   if (RD->isUnion()) {  in VisitCXXParenListOrInitListExpr()
11836     if (Invalid || Parent->isUnion())  in isDesignatorAtObjectEnd()
13396         else if (!LF->getParent()->isUnion() &&  in EvaluateComparisonBinaryOperator()