* Thomas Otto: > I tried to annotate `cached_wd` via GTY((..)) as on first glance it seems > the gc mistakenly re-uses it, but the `gengtype` generated state file never > picks this variable up. Have you tried moving the variable to the top level and annotating it with GTY ((cache))? I believe gengtype will emit code to clear such variables during garbage collection, avoiding the issue.
