2384   if (Value.isUnion() && Value.getUnionField()) {  in CheckEvaluationResult()
3467   if (RD->isUnion())  in isReadByLvalueToRvalueConversion()
3501         (RD->isUnion() || isReadByLvalueToRvalueConversion(Field->getType()))) {  in diagnoseMutableFields()
3772       if (RD->isUnion()) {  in findSubobject()
4793     if (RD->isUnion()) {  in getDefaultInitValue()
5994       if (FD->getParent()->isUnion()) {  in HandleUnionActiveMemberChange()
6173       (MD->getParent()->isUnion() ||  in HandleFunctionCall()
6180                            MD->getParent()->isUnion()))  in HandleFunctionCall()
6259       (Definition->getParent()->isUnion() ||  in HandleConstructorCall()
6263                              Definition->getParent()->isUnion());  in HandleConstructorCall()
6268     if (!RD->isUnion())  in HandleConstructorCall()
6331       if (RD->isUnion()) {  in HandleConstructorCall()
6351             (Value->isUnion() && Value->getUnionField() != FD)) {  in HandleConstructorCall()
6352           if (CD->isUnion())  in HandleConstructorCall()
6366         if (CD->isUnion())  in HandleConstructorCall()
6369           if (C == IndirectFieldChain.front() && !RD->isUnion())  in HandleConstructorCall()
6407   if (!RD->isUnion()) {  in HandleConstructorCall()
6506       (RD->isAnonymousStructOrUnion() && RD->isUnion())) {  in HandleDestructionImpl()
6555   if (RD->isUnion())  in HandleDestructionImpl()
9825   assert(!RD->isUnion() && "Expected non-union class type");  in HandleClassZeroInitialization()
9868   if (RD->isUnion()) {  in ZeroInitialization()
9941   if (RD->isUnion()) {  in VisitInitListExpr()
11500     if (Invalid || Parent->isUnion())  in isDesignatorAtObjectEnd()
12975         else if (!LF->getParent()->isUnion() &&  in EvaluateComparisonBinaryOperator()