* vm_insnhelper.c (check_match): Fix SEGV with VM_CHECKMATCH_TYPE_CASE
  and class of `pattern` has `method_missing`
  [Bug #8882] [ruby-core:58606]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43913 b2dd03c8-39d4-4d8f-98ff-823fe69b080e