normalperson / yhbt.net wrote:
>  nobu / ruby-lang.org wrote:
>  > Seems better to call `rb_str_new_frozen()` before setting `vtm.zone`.
>  
>  OK.  Though rb_fstring() might be better because time objects
>  with identical zones are common.

Or not, don't want potential untrusted sources populating the
fstring table; either.  Will commit w/ str_new_frozen + test case.