thread.c: check initialized

* ext/thread/thread.c (get_array): check instance variables are
  initialized properly.  [ruby-core:63826][Bug #10062]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47217 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-08-19

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47218 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
win32ole.c: check overflow

* ext/win32ole/win32ole.c (ole_invoke): check integer overflow on
  win64 platforms.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47219 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
compar.c: preserve encodings

* compar.c (rb_cmperr): preserve encodings of arguments in the
  message.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47220 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
remove rememberset bits (share with marking bits).
rename old bits to long lived bits.
Merge remote-tracking branch 'origin/trunk' into rincgc