Ludovic Courtès <ludo@gnu.org> writes:

> Ricardo Wurmus <rekado@elephly.net> skribis:
>
>> Right.  In the case of R, the environment for a package is serialized to
>> a possibly compressed data file (.Rdb) with an index (.Rdx).
>> “Sys.which” is part of the “base” package and I cannot find a plain text
>> reference to “bin/which” in the binaries for “base”.
>
> Doh!  That’s a problem.  The GC won’t detect those references either,
> which can lead to early-deletion problems.
>
>> I don’t know if we can (or should) disable compression for Rdb files.
>
> We’ll probably have to disable it.  (According to ‘file’ it’s no a
> standard compression format like gzip; maybe raw zlib without gzip
> headers?)

Here’s a patch: