numeric.c: optimize for Bignum

* numeric.c (rb_int_succ, rb_int_pred): shortcut optimization for
  Bignum.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39593 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
enumerator.c: allow Bignum for with_index

* enumerator.c (enumerator_with_index_i): allow Bignum as offset, to
  get rid of conversion exception and integer overflow.
  [ruby-dev:47131] [Bug #8010]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39594 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
objspace.c: newly added nodes

* ext/objspace/objspace.c (count_nodes): count also newly added nodes,
  and fix key for unknown node.  patch by tmm1 (Aman Gupta) in
  [ruby-core:53130] [Bug #8014]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* enumerator.c (enumerator_with_index):  Restore handling of a nil memo
  from r39594.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39596 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* lib/rubygems.rb:  Bump version to 2.0.1 for upcoming bugfix release

* lib/rubygems/ext/ext_conf_builder.rb:  Restore ruby 1.8 compatibility
  for [Bug #9698]
* test/rubygems/test_gem_installer.rb:  Ditto.

* lib/rubygems/package.rb:  Restore ruby 1.8 compatibility.

* test/rubygems/test_gem_dependency_installer.rb:  Fix warnings


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39597 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
intern.h: inline function rb_check_arity

* include/ruby/intern.h (rb_check_arity): make a static inline
  function so it can be used as an expression and argc would be
  evaulated only once.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39598 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
proc.c: revert r39224

* proc.c (mnew): revert r39224.  [ruby-core:53038] [Bug #7988]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39599 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
test_method.rb: reduce iteration

* test/ruby/test_method.rb (TestMethod#test_bound_method_entry):
  reduce iteration.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39600 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
class.c: check redefinition

* class.c (rb_prepend_module): check redefinition of built-in opimized
  methods.  [ruby-dev:47124] [Bug #7983]
* vm.c (rb_vm_check_redefinition_by_prepend): ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39601 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
fix typos

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39602 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* ChanageLog: fix ticket ref in r39597.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39603 b2dd03c8-39d4-4d8f-98ff-823fe69b080e