E685: Internal error: f_empty(UNKNOWN)

[Dominique Pellé]

Hi

This command gives an internal error:

:echo empty(test_void())
E685: Internal error: f_empty(UNKNOWN)
1
Press ENTER or type command to continue

Same kind of internal error at least for:

:echo empty(test_unknown())
:echo type(test_void())
:echo type(test_unknown())

Internal errors should never happen. But I suppose
that this use of test_void() or test_unknown() does
not make sense. And that it should not be possible
to reproduce this internal error without calling test_void()
or test_unknown(). Correct? or should we fix anything here?

Regards
Dominique

[Bram Moolenaar]

Good point. I think it's better to give this error without calling
abort(). Otherwise we can't even test how they work.

I'll make a patch. Are there any others?

--
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