avoid false positive on fiber_verify().
cont_save_machine_stack()
fiber_verify()
FIBER_USE_NATIVE == 0
GC.stress = true
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59830 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
avoid false positive on fiber_verify().
cont_save_machine_stack()timing toavoid
fiber_verify()false positive onFIBER_USE_NATIVE == 0and
GC.stress = true.This patch is very dirty and it should be removed soon.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59830 b2dd03c8-39d4-4d8f-98ff-823fe69b080e