From: Eric Wong <normalperson@...>
Date: 2014-03-19T08:00:26+00:00
Subject: [ruby-core:61590] Re: [ruby-trunk - Bug #9652] Marshal doesn't dump/load Time#zone correctly with too many time object

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.