* bignum.c (rb_absint_singlebit_p): New function.

* internal.h (rb_absint_singlebit_p): Declared.

* time.c (v2w_bignum): Use rb_absint_singlebit_p instead of
  rb_big_abs_find_minbit.
  (rb_big_abs_find_minbit): Removed.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41177 b2dd03c8-39d4-4d8f-98ff-823fe69b080e