bug#27581: 26.0.50; Error while compiling new Org code

[npostavs]

Stefan Monnier <monnier@IRO.UMontreal.CA> writes:

> Package: Emacs
> Version: 26.0.50
>
>
> When building Emacs's master branch I get errors like:
>
>       ELC      org/org-archive.elc
>     
>     In toplevel form:
>     org/org-archive.el:31:1:Error: Symbol’s function definition is void: 
> org-element-update-syntax
>     Makefile:297 : la recette pour la cible « org/org-archive.elc » a échouée

I think I hit this, and doing 'make autoloads' fixed it.