2 references to isDerivedType
Microsoft.CodeAnalysis.CSharp (2)
FlowAnalysis\NullableWalker_Patterns.cs (2)
410Debug.Assert(isDerivedType(NominalSlotType(originalInputSlot), expressionTypeWithState.Type)); 752Debug.Assert(NominalSlotType(slot) is var slotType && (slotType.IsErrorType() || isDerivedType(slotType, type)));