================
@@ -6027,6 +6027,33 @@ static bool EvaluateBinaryTypeTrait(Sema &Self,
TypeTrait BTT, const TypeSourceI
return cast<CXXRecordDecl>(rhsRecord->getDecl())
->isDerivedFrom(cast<CXXRecordDecl>(lhsRecord->getDecl()));
}
+ case BTT_IsVirtualBaseOf: {
+ const RecordType *BaseRecord = LhsT->getAs<RecordType>();
+ const RecordType *DerivedRecord = RhsT->getAs<RecordType>();
+
+ if (!BaseRecord || !DerivedRecord) {
+ DiagnoseVLAInCXXTypeTrait(Self, Lhs, tok::kw___is_virtual_base_of);
+ DiagnoseVLAInCXXTypeTrait(Self, Rhs, tok::kw___is_virtual_base_of);
+ return false;
+ }
+
+ if (BaseRecord->isUnionType() || DerivedRecord->isUnionType())
+ return false;
+
+ if (!BaseRecord->isStructureOrClassType() ||
+ !DerivedRecord->isStructureOrClassType())
+ return false;
----------------
AaronBallman wrote:
ObjC types don't inherit from `RecordType`, so I don't think this check is
needed.
https://github.com/llvm/llvm-project/pull/100393
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