Yegappan wrote:

> > > > > The Vim9 LSP plugin (https://github.com/yegappan/lsp) has the
> > > > > following line in the autoload/lsp/lspserver.vim file:
> > > > >
> > > > > hover: function(Hover, [lspserver]),
> > > > >
> > > > > If this line is changed to:
> > > > >
> > > > > hover: function('Hover', [lspserver]),
> > > > >
> > > > > then Vim crashes with the "E342: Out of memory!  (allocating
> > > > > 18446744073709551608 bytes)" error.
> > > > >
> >
> > What is the smallest script to reproduce this problem?
> > The quoted line is missing context.
> >
> 
> I am able to reproduce this crash with the following two minimal scripts.
> 
> ------------------------ x.vim ------------------------------
> vim9script
> 
> import './y.vim' as server
> 
> export def Hover()
> enddef
> 
> def AddServer()
>   var d: dict<any> = server.NewLspServer()
> enddef
> AddServer()
> ---------------------------------------------------------------
> 
> ------------------------ y.vim ------------------------------
> vim9script
> 
> def Hover(d: dict<any>): void
> enddef
> 
> export def NewLspServer(): dict<any>
>   var d: dict<any> = {}
>   d->extend({hover: function('Hover', [d])})
>   return d
> enddef
> 
> NewLspServer()
> ---------------------------------------------------------------
> 
> With the above two x.vim and y.vim scripts, if you source x.vim,
> then Vim crashes.

Thanks.  It somehow finds the wrong Hover() function, the one that has
no arguments while the partial expects at least one argument.  It then
ends up with a negative argument count.

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