FILE /Derived.kt
  CLASS CLASS Derived
    CONSTRUCTOR public constructor Derived()
      BLOCK_BODY
        DELEGATING_CONSTRUCTOR_CALL 'constructor Base()'
        INSTANCE_INITIALIZER_CALL classDescriptor='Derived'
    FUN public final fun setValue(v: kotlin.Any): kotlin.Unit
      BLOCK_BODY
        WHEN type=kotlin.Unit origin=null
          BRANCH
            if: TYPE_OP origin=INSTANCEOF typeOperand=kotlin.String
              GET_VAR 'value-parameter v: Any' type=kotlin.Any origin=null
            then: BLOCK type=kotlin.Unit origin=null
              SET_FIELD 'value: String!' type=kotlin.Unit origin=EQ
                receiver: GET_VAR '<receiver: Derived>' type=Derived origin=null
                value: TYPE_OP origin=IMPLICIT_CAST typeOperand=kotlin.String!
                  GET_VAR 'value-parameter v: Any' type=kotlin.Any origin=null
