shyouhei / ruby-lang.org wrote:
> Nobuyoshi Nakada wrote:
> > Shyouhei Urabe wrote:
> > > Am I correct that rb_vm_fstring_table() is never GCed?
> > 
> > That table is not a GC-root, and registered strings get GCed as usual.
> 
> So this is a kind of weak reference? No security concern then.

Right.  Also, keep in mind that dynamic GC-able symbols from
2.2+ also stores symbol names as fstrings.  Thus GC-able symbols
would not work if fstrings could not be GC-ed.

Anyways, committed as r57698

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