cont.c (fiber_free): don't free unallocated local_storage. see #1325.
cont.c (cont_init): clear local_storage not to use current thread's.
cont.c (fiber_t_alloc, root_fiber_alloc): link itself always for a case that fiber_link_remove() is called before fiber_link_join().
cont.c (fiber_init): don't join half-baked fiber.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25623 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
cont.c (fiber_free): don't free unallocated local_storage. see #1325.
cont.c (cont_init): clear local_storage not to use current thread's.
cont.c (fiber_t_alloc, root_fiber_alloc): link itself always for
a case that fiber_link_remove() is called before fiber_link_join().
cont.c (fiber_init): don't join half-baked fiber.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25623 b2dd03c8-39d4-4d8f-98ff-823fe69b080e