compiler version

* common.mk (showflags): show the compiler version.

* configure.in (CC_VERSION): compiler with version option.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39873 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
load.c: loaded_features_index st_table

* load.c (rb_feature_p), vm_core.h (rb_vm_struct): turn
  loaded_features_index into st_table.  patches by tmm1 (Aman Gupta)
  in [ruby-core:53251] and [ruby-core:53274] [Bug #8048]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39874 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
forwardable.rb: reduce allocations in def_delegators

* lib/forwardable.rb (Forwardable::FILE_REGEXP): create regexp object
  outside sources for eval, to reduce allocations in def_delegators
  wrappers.  //o option does not make each regexps shared.  patch by
  tmm1 (Aman Gupta) in [ruby-core:53620] [Bug #8143].

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39875 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
cleanup by @vipulnsward [GH fixes #262]

lib/net/http/generic_request.rb: Removes unnecessary assignment
lib/net/ftp.rb: Fixes dead code


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39876 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* array.c: Avoid zip bug by not using obsolete rb_check_block_call [Bug #8153]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39877 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2013-03-23

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39878 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* test_array.rb: Make test more precise

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39879 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* test_enum.rb: Make test more precise

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39880 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
vm_eval.c: preserve passed_block

* vm_eval.c (check_funcall_respond_to): preserve passed_block, which
  is modified in vm_call0_body() via vm_call0(), and caused a bug of
  rb_check_funcall() by false negative result of rb_block_given_p().
  re-fix [ruby-core:53650] [Bug #8153].
  [ruby-core:53653] [Bug #8154]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39881 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* array.c (take_items): honor encoding of class name.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39882 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* KNOWNBUGS.rb: test for [Bug #8100].

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39883 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Suppress warning: OpenSSL::X509::StoreContext#cleanup is deprecated with no replacement

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39884 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* ext/bigdecimal/bigdecimal.c (BigDecimal_divide): Use Qnil and NIL_P
  instead of (VALUE)0 as a return value.

* ext/bigdecimal/bigdecimal.c (BigDecimal_div): ditto.

* ext/bigdecimal/bigdecimal.c (BigDecimal_divremain): ditto.

* ext/bigdecimal/bigdecimal.c (BigDecimal_remainder): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39885 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Remove unused variable

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39886 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* addr2line.c (kprintf): added from FreeBSD libstand's printf.
  this is consided as async signal safe function.

* addr2line.c (rb_dump_backtrace_with_lines): use kfprintf.
  [Bug #8144] [ruby-core:53632]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39887 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2013-03-24

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39888 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* test/mkmf/test_have_macro.rb: remove temporally files in the tests.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39889 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
	* lib/rinda/rinda.rb:  Fixed loss of tuple when remote is alive but the
	  call stack was unwound.  Patch by Joel VanderWerf.
	  [ruby-trunk - Bug #8125]
	* test/rinda/test_rinda.rb:  Test for the above.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39890 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Commit miss

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39891 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* test/rinda/test_rinda.rb:  Fixed test failures in r39890 and r39890
  due to stopping DRb service.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39892 b2dd03c8-39d4-4d8f-98ff-823fe69b080e