* hash.c: fix WB bug.
  (1) Hash's key also needs WB.
  (2) callback parameter *key and *value of st_update() is not a
  storage of st_table itself (only local variable). So that
  OBJ_WRITE() is not suitable, especially for `!exsinting'.
  OBJ_WRITTEN() is used instead of OBJ_WRITE().



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
fix a typo

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40980 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
GC before running test_copy_stream_socket7

it sometimes occurs NoMemoryError
http://c5664.rubyci.org/~chkbuild/ruby-trunk/log/20130529T033302Z.diff.html.gz

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40981 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* gc.c (gc_profile_enable): rest_sweep() to finish last GC.
  Profiling record is allocated at first of marking phase.
  Enable at lazy sweeping may cause an error (SEGV).



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40984 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2013-05-30

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40985 b2dd03c8-39d4-4d8f-98ff-823fe69b080e