bug#59498: 29.0.50; c++-ts-mode get wrong-type-argument error when enabled

[Daniel Martín]

Eason Huang <aqua0210@foxmail.com> writes:

> Hi emacs-devel,
>
> I just tried the c++-ts-mode, but it didn't worked.
>
> steps to reproduce:
>
> 1. luanch Emacs with emacs -Q
> 2. C-x, C-f ~/test.cpp
> 3. M-x, toggle-debug-on-error
> 4. M-x, c++-ts-mode, now you will get the errors as bellow:
>
> Debugger entered--Lisp error: (wrong-type-argument number-or-marker-p nil)
>   treesit-ready-p(cpp)
>   c++-ts-mode()
>   funcall-interactively(c++-ts-mode)
>   command-execute(c++-ts-mode record)
>   execute-extended-command(nil "c++-ts-mode" "c++-ts")
>   funcall-interactively(execute-extended-command nil "c++-ts-mode" "c++-ts")
>   command-execute(execute-extended-command)
>
> By the way, python-ts-mode works well.
>
> I builded Emacs 29.0.50 with this commit:
> https://github.com/emacs-mirror/emacs/commit/057901f55ad12ebbc9cf092dd6ad0f02539849f9

Could you try an Emacs build that contains commit c69858b3f0?  This is
the same bug as bug#59497.  Thanks.