cont.c (cont_save_thread): add new utility function. rb_context_t::saved_thread.machine_stack_start and machine_stack_end should be cleared immediately after a snapshot of current thread is stored to saved_thread. this change aims to get rid of unnecessary GC mark at machine stack.
rb_context_t::saved_thread.machine_stack_start and
machine_stack_end should be cleared immediately after a snapshot of
current thread is stored to saved_thread.
this change aims to get rid of unnecessary GC mark at machine stack.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32083 b2dd03c8-39d4-4d8f-98ff-823fe69b080e