FILE fqName:<root> fileName:/whenElse.kt
  FUN name:test visibility:public modality:FINAL <> () returnType:Int flags:
    BLOCK_BODY
      RETURN type=kotlin.Nothing from='test(): Int'
        WHEN type=kotlin.Int origin=WHEN
          BRANCH
            if: CONST Boolean type=kotlin.Boolean value=true
            then: CONST Int type=kotlin.Int value=42

