vim9script variable is garbage collected when it shouldn't be?

[Christian J. Robinson]

 Foo.vim:

    vim9script

    export class Foo
        def new()
        enddef
        def Bar(s: string)
            echo $"{s} works"
        enddef
    endclass

vim9_regression.vim:

    vim9script

    if get(g:, 'did_foo', false)
        finish
    endif

    g:did_foo = true

    import autoload './Foo.vim'

    var foo = Foo.Foo.new()

    command -buffer -bar -nargs=1 Foo foo.Bar(<f-args>)


Source vim9_regression.vim, and run ":Foo bar" and you'll get the expected
"bar works" message, but source vim9_regression.vim again you'll get:
E121: Undefined variable: foo


-- 
Christian J. Robinson <hept...@gmail.com>

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