* numeric.c (rb_num2ulong_internal): Don't cast a negative double value
  into unsigned long, which is undefined behavior.
  (rb_num2ull): Don't cast a value bigger than LLONG_MAX into
  long long, which is undefined behavior.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40037 b2dd03c8-39d4-4d8f-98ff-823fe69b080e