merge revision(s) r45342:

	* ext/.document: remove refinement from documentable directories.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@45343 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) r40930:

	* test/fiddle/test_c_struct_entry.rb,
	  test/fiddle/test_c_union_entity.rb,
	  test/fiddle/test_cparser.rb, test/fiddle/test_func.rb,
	  test/fiddle/test_handle.rb, test/fiddle/test_import.rb,
	  test/fiddle/test_pointer.rb: don't run test if the system
	  don't support fiddle.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@45371 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) r45298: [Backport #9599]

	test/ruby/envutil.rb: compare RSS to check memory leak

	* test/ruby/envutil.rb (Test::Test#assert_no_memory_leak): compare
  also RSS if available.

	* test/ruby/memory_status.rb (Memory::Status.parse): read string
  form of an instance.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@45372 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) r45350: [Backport #9645]

	* variable.c (rb_const_set): delete existing entry on redefinition
	  [Bug #9645]

	* test/ruby/test_const.rb (test_redefinition): test for leak


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@45373 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) r45311: [Backport #9599]

	r45298 fix trivial bug

	$initial_size must be a size, not a status

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@45379 b2dd03c8-39d4-4d8f-98ff-823fe69b080e