IrFile /elvis.kt
  IrFunction public fun test1(/*0*/ a: kotlin.Any?, /*1*/ b: kotlin.Any): kotlin.Any
    IrExpressionBody
      BLOCK type=<no-type> hasResult=false isDesugared=true
        RETURN type=<no-type>
          BINARY_OP operator=ELVIS type=kotlin.Any related=null
            GET_VAR a type=kotlin.Any?
            GET_VAR b type=kotlin.Any
  IrFunction public fun test2(/*0*/ a: kotlin.String?, /*1*/ b: kotlin.Any): kotlin.Any
    IrExpressionBody
      BLOCK type=<no-type> hasResult=false isDesugared=true
        RETURN type=<no-type>
          BINARY_OP operator=ELVIS type=kotlin.Any related=null
            GET_VAR a type=kotlin.String?
            GET_VAR b type=kotlin.Any
  IrFunction public fun test3(/*0*/ a: kotlin.Any?, /*1*/ b: kotlin.Any?): kotlin.String
    IrExpressionBody
      BLOCK type=<no-type> hasResult=false isDesugared=false
        DUMMY KtIfExpression type=kotlin.Unit
        DUMMY KtIfExpression type=kotlin.Unit
        RETURN type=<no-type>
          BINARY_OP operator=ELVIS type=kotlin.String related=null
            TYPE_OP operator=IMPLICIT_CAST typeOperand=kotlin.String?
              GET_VAR a type=kotlin.Any?
            TYPE_OP operator=IMPLICIT_CAST typeOperand=kotlin.String
              GET_VAR b type=kotlin.Any?
