compile.c: use correct key for block when loading serialized iseqs

* compile.c (iseq_build_from_ary_body): Use :blockptr instead of :block
  as hash key when loading serialized instruction sequences from arrays.
  [Bug #9455] [ruby-core:60146]

git-svn-id: svn+ssh://svn.ruby-lang.org/ruby/trunk@44720 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-01-28

git-svn-id: svn+ssh://svn.ruby-lang.org/ruby/trunk@44721 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
vm_core.h: rb_thread_struct::machine

* vm_core.h (rb_thread_struct): aggregate cpu stuff into a struct,
  so that a debugger can show its content at once.

git-svn-id: svn+ssh://svn.ruby-lang.org/ruby/trunk@44722 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* ext/zlib/zlib.c (rb_zlib_adler32): [DOC] Add example for adler32
  Patch by Vajrasky Kok [Bug #9307] [ci skip]


git-svn-id: svn+ssh://svn.ruby-lang.org/ruby/trunk@44723 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* lib/set.rb: [DOC] Add examples for Set#intersect? and Set#disjoint?
  Patch by xavier nayrac [Bug #9331] [ci skip]


git-svn-id: svn+ssh://svn.ruby-lang.org/ruby/trunk@44724 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_pthread.c: rlimit is only available on Linux.
  At least r44712 breaks FreeBSD.
  [ruby-core:60113] [Bug #9454]

git-svn-id: svn+ssh://svn.ruby-lang.org/ruby/trunk@44725 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
thread_pthread.c: use get_stack

* thread_pthread.c (ruby_init_stack, ruby_stack_overflowed_p):
  place get_stack above others to get stack boundary information.
  [ruby-core:60113] [Bug #9454]

git-svn-id: svn+ssh://svn.ruby-lang.org/ruby/trunk@44726 b2dd03c8-39d4-4d8f-98ff-823fe69b080e