2473   if (Value.isUnion() && Value.getUnionField()) {  in CheckEvaluationResult()
3548   if (RD->isUnion())  in isReadByLvalueToRvalueConversion()
3582         (RD->isUnion() || isReadByLvalueToRvalueConversion(Field->getType()))) {  in diagnoseMutableFields()
3865       if (RD->isUnion()) {  in findSubobject()
4908     if (RD->isUnion()) {  in handleDefaultInitValue()
6149       if (FD->getParent()->isUnion()) {  in MaybeHandleUnionActiveMemberChange()
6334       (MD->getParent()->isUnion() ||  in HandleFunctionCall()
6341                            MD->getParent()->isUnion()))  in HandleFunctionCall()
6420       (Definition->getParent()->isUnion() ||  in HandleConstructorCall()
6424                              Definition->getParent()->isUnion());  in HandleConstructorCall()
6429     if (!RD->isUnion())  in HandleConstructorCall()
6492       if (RD->isUnion()) {  in HandleConstructorCall()
6512             (Value->isUnion() && Value->getUnionField() != FD)) {  in HandleConstructorCall()
6513           if (CD->isUnion())  in HandleConstructorCall()
6528         if (CD->isUnion())  in HandleConstructorCall()
6531           if (C == IndirectFieldChain.front() && !RD->isUnion())  in HandleConstructorCall()
6569   if (!RD->isUnion()) {  in HandleConstructorCall()
6674       (RD->isAnonymousStructOrUnion() && RD->isUnion())) {  in HandleDestructionImpl()
6724   if (RD->isUnion())  in HandleDestructionImpl()
10239   assert(!RD->isUnion() && "Expected non-union class type");  in HandleClassZeroInitialization()
10282   if (RD->isUnion()) {  in ZeroInitialization()
10360   if (RD->isUnion()) {  in VisitCXXParenListOrInitListExpr()
12093     if (Invalid || Parent->isUnion())  in isDesignatorAtObjectEnd()
13763         else if (!LF->getParent()->isUnion() &&  in EvaluateComparisonBinaryOperator()