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2017-02-21backward.h: 2.2 deprecated featuresnobu
* include/ruby/backward.h (DECLARE_DEPRECATED_FEATURE): move features deprecated at 2.2. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57671 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-02-17DEPRECATED_INTERNAL_FEATUREnobu
* error.c (ruby_deprecated_internal_feature): renamed, to explicitly represent deprecation. * internal.h (DEPRECATED_INTERNAL_FEATURE): ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57643 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-12-31vm.c: fix return in lambdanobu
* vm.c (invoke_block_from_c_splattable): pass lambda-ness. * vm_eval.c (yield_under): invoke lambda proc properly. [ruby-core:78917] [Bug #13090] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57240 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-12-09remove core#hash_merge_arynobu
* compile.c (compile_array_): remove m_core_hash_merge_ary which seems unreachable, and wrong number of arguments. * vm.c (m_core_hash_merge_ary): removed because it is never used. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57030 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-12-08vm.c: check type of hash to mergenobu
* vm.c (core_hash_merge): check the type of the target hash to merge. [ruby-core:78536] [Bug #13015] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57024 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-12-04Revert changes on rb_frame_method_id_and_class()ktsj
r56593 introduced backwards incompatible changes in the API. [ruby-core:78471] [Feature #12747] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-11-05* vm_trace.c (tracepoint_attr_callee_id, rb_tracearg_callee_id):ktsj
add TracePoint#callee_id. [ruby-core:77241] [Feature #12747] * cont.c, eval.c, gc.c, include/ruby/intern.h, insns.def, thread.c, vm.c, vm_backtrace.c, vm_core.h, vm_eval.c, vm_insnhelper.c, vm_trace.c: ditto. * test/ruby/test_settracefunc.rb: tests for above. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56593 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-11-05* eval.c, method.h, proc.c, vm.c, vm_eval.c, vm_insnhelper.c, vm_method.c:ktsj
TracePoint#method_id should return method_id, not callee_id. [ruby-core:77241] [Feature #12747] * test/ruby/test_settracefunc.rb: change accordingly. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56592 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-09-13Use PRIuSIZE format specifier for size_t valuesrhe
Use PRIuSIZE instead of PRIdSIZE. This fixes the exception message shown on too large xmalloc2. This commit also fixes other incorrect use of PRIdSIZE in other functions; though most of them are debug print. * gc.c (heap_extend_pages, get_envparam_size, ruby_malloc_size_overflow, gc_profile_dump_on): Use PRIuSIZE instead of PRIdSIZE as the passed value is size_t, not ssize_t. * iseq.c (get_line_info, rb_iseq_disasm_insn): Ditto. * sprintf.c (rb_str_format): Ditto. * thread_win32.c (native_thread_create): Ditto. * vm.c (get_param): Ditto. * ext/objspace/objspace_dump.c (dump_append_string_content, dump_object): Ditto. * ext/socket/raddrinfo.c (host_str, port_str): Ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56156 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-08-30vm.c: unnecessary conditionnobu
* vm.c (vm_stat): remove unnecessary condition, when argc != 1 arg is always Qnil. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56039 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-08-19vm.c: check TOPLEVEL_BINDINGnobu
* vm.c (vm_set_main_stack): TOPLEVEL_BINDING must be built. http://www.viva64.com/en/b/0414/#ID0EQ1CI [ruby-core:76973] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55964 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-08-03* vm_core.h: introduce VM_FRAME_RUBYFRAME_P()ko1
and VM_FRAME_CFRAME_P(). Most of case, RUBY_VM_NORMAL_ISEQ_P() is no longer needed. * vm_core.h: introduce rb_obj_is_iseq(). * cont.c, vm.c: VM_FRAME_MAGIC_DUMMY with VM_FRAME_FLAG_CFRAME. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55804 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-08-03* vm_core.h: rename macros and make them inline functions.ko1
* rename VM_FRAME_TYPE_FINISH_P() to VM_FRAME_FINISHED_P(). * rename VM_FRAME_TYPE_BMETHOD_P() to VM_FRAME_BMETHOD_P(). git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55803 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-07-28* vm_core.h (VM_ENV_LOCAL_P): return truthy (0 or not) value.ko1
* vm.c (rb_vm_make_proc_lambda): use VM_ENV_ESCAPED_P() macro. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55770 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-07-28* vm.c, internal.h: remove RubyVM::Env class and all of env objectsko1
are imemo objects (imemo_env). * NEWS: describe this change. I believe nobody touch these objects because there are no method defined. * vm_core.h: remove the following definitions. * rb_cEnv decl. * GetEnvPtr() because Env is no longer T_DATA object. * vm_core.h (rb_env_t): fix layout for imemo values. * vm_core.h (vm_assert_env): added. * vm_core.h (vm_env_new): added. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55768 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-07-28* remove trailing spaces.svn
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55767 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-07-28* vm_core.h: revisit the structure of frame, block and env.ko1
[Bug #12628] This patch introduce many changes. * Introduce concept of "Block Handler (BH)" to represent passed blocks. * move rb_control_frame_t::flag to ep[0] (as a special local variable). This flags represents not only frame type, but also env flags such as escaped. * rename `rb_block_t` to `struct rb_block`. * Make Proc, Binding and RubyVM::Env objects wb-protected. Check [Bug #12628] for more details. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55766 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-07-26* vm_insnhelper.c: introduce rb_vm_pop_frame() and use itko1
instead of setting rb_thread_t::cfp directly. * vm_insnhelper.c (vm_pop_frame): return the result of finish frame or not. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55755 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-07-23internal.h: inline Check_Typenobu
* internal.h (Check_Type): inline check for the object type. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55734 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-07-22Fix Issues reported by PVS-Studio static analyzernobu
* vm.c (vm_set_main_stack): remove unnecessary check. toplevel binding must be initialized. [Bug #12611] (N1) * win32/win32.c (w32_symlink): fix return type. [Bug #12611] (N3) * string.c (rb_str_split_m): simplify the condition. [Bug #12611](N4) git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55729 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-06-20* vm.c (invoke_bmethod, invoke_block_from_c_0): revert r52104shugo
partially to avoid "self has wrong type to call super in this context" errors. [ruby-core:72724] [Bug #11954] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55462 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-05-17[Feature #12005] Unify Fixnum and Bignum into Integerakr
* [Feature #12005] Unify Fixnum and Bignum into Integer * include/ruby/ruby.h (rb_class_of): Return rb_cInteger for fixnums. * insns.def (INTEGER_REDEFINED_OP_FLAG): Unified from FIXNUM_REDEFINED_OP_FLAG and BIGNUM_REDEFINED_OP_FLAG. * vm_core.h: Ditto. * vm_insnhelper.c (opt_eq_func): Use INTEGER_REDEFINED_OP_FLAG instead of FIXNUM_REDEFINED_OP_FLAG. * vm.c (vm_redefinition_check_flag): Use rb_cInteger instead of rb_cFixnum and rb_cBignum. (C): Use Integer instead of Fixnum and Bignum. * numeric.c (fix_succ): Removed. (Init_Numeric): Define Fixnum as Integer. * bignum.c (bignew): Use rb_cInteger instead of Rb_cBignum. (rb_int_coerce): replaced from rb_big_coerce and return fixnums as-is. (Init_Bignum): Define Bignum as Integer. Don't define ===. * error.c (builtin_class_name): Return "Integer" for fixnums. * sprintf.c (ruby__sfvextra): Use rb_cInteger instead of rb_cFixnum. * ext/-test-/testutil: New directory to test. Currently it provides utilities for fixnum and bignum. * ext/json/generator/generator.c: Define mInteger_to_json. * lib/mathn.rb (Fixnum#/): Redefinition removed. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55024 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-05-08* configure.in: check function attirbute const and pure,naruse
and define CONSTFUNC and PUREFUNC if available. Note that I don't add those options as default because it still shows many false-positive (it seems not to consider longjmp). * vm_eval.c (stack_check): get rb_thread_t* as an argument to avoid duplicate call of GET_THREAD(). git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54952 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-05-05use TH_JUMP_TAGnobu
* vm_eval.c (rb_eval_cmd, rb_catch_obj): use TH_JUMP_TAG with the same rb_thread_t used for TH_PUSH_TAG, instead of JUMP_TAG with the current thread global variable. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54914 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-04-27internal.h: ONLY_FOR_INTERNAL_USEnobu
* error.c (ruby_only_for_internal_use): raise fatal error when deprecated function only for internal use is called, not just a warning. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54791 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-04-05string.c: rb_str_concat_literalsnobu
* string.c (rb_str_concat_literals): concatenate literal string fragments. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54490 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-04-04at_exit listnobu
* vm_core.h (rb_vm_struct): make at_exit a single linked list but not RArray, not to mark the registered functions by the write barrier. based on the patches by Evan Phoenix. [ruby-core:73908] [Bug #12095] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54484 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-04-04* vm.c (Init_VM): should pass tokens.ko1
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54479 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-03-17* compile.c (NODE_CALL): add optimization shortcut for Array#max/min.mame
Now `[x, y].max` is optimized so that a temporal array object is not created in some condition. * insns.def (opt_newarray_max, opt_newarray_min): added. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54153 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-02-21vm.c (vm_cref_new0): adjust indent [ci skip]nobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53886 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-01-26fstring early for internal iseqnormal
All of the strings created here eventually get converted to fstrings when they are frozen into the iseq. Prepare the fstring early so we may reduce a one or two objects. This is a very minor change, mainly for the '<main>' dedupe. * compile.c (caller_location): use rb_fstring_cstr for "<compiled>" (it is converted to fstring anyways inside rb_iseq_new_with_opt) * iseq.c (iseqw_s_compile): ditto * iseq.c (rb_iseq_new_main): use rb_fstring_cstr for "<main>" * vm.c (Init_VM): ditto, share with with above * iseq.c (iseqw_s_compile_file): rb_fstring before rb_io_t->pathv share "<main>" with above * vm.c (rb_binding_add_dynavars): fstring "<temp>" immediately git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53659 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-18* vm.c (vm_exec): call RUBY_DTRACE_CMETHOD_RETURN_HOOK instead ofkosaki
RUBY_DTRACE_METHOD_RETURN_HOOK. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53178 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-17* vm.c (rb_vm_check_redefinition_opt_method): should check the realshugo
class instead of the origin iclass. [ruby-core:72188] [Bug #11826] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53173 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-16* vm.c (vm_make_env_each): should not compare with Qfalse and FALSE.ko1
Pointed at http://d.hatena.ne.jp/nagachika/20151216/ruby_trunk_changes_53128_53163 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53166 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-16* vm.c (vm_make_proc_from_block): should convert a Symbol to a Proc.shugo
[ruby-core:72083] [Bug #11811] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53152 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-16* vm.c: fix mark miss for proc given as passed block.ko1
[Bug #11750] * vm.c (vm_make_proc_from_block): should return a Proc object if block is given. Previous implementation returns a Proc object only when corresponding Proc object is not available. * vm.c (vm_make_env_each): ditto. * test/ruby/test_proc.rb: add a test for this bug. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53144 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-12vm.c: free tables at destructionnobu
* vm.c (ruby_vm_destruct): free loading_table and fronzen_strings tables at destruction. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53054 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-09* vm.c (rb_vm_cref_in_context): Module#define_method in non-classko1
expression should be public. [Bug #11754] * test/ruby/test_method.rb: add a test. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52996 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-09* *.c (*_memsize): do not check ptr.ko1
NULL checking is finished Before call of memsize functions. See r52979. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52986 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-08* introduce new ISeq binary format serializer/de-serializerko1
and a pre-compilation/runtime loader sample. [Feature #11788] * iseq.c: add new methods: * RubyVM::InstructionSequence#to_binary_format(extra_data = nil) * RubyVM::InstructionSequence.from_binary_format(binary) * RubyVM::InstructionSequence.from_binary_format_extra_data(binary) * compile.c: implement body of this new feature. * load.c (rb_load_internal0), iseq.c (rb_iseq_load_iseq): call RubyVM::InstructionSequence.load_iseq(fname) with loading script name if this method is defined. We can return any ISeq object as a result value. Otherwise loading will be continue as usual. This interface is not matured and is not extensible. So that we don't guarantee the future compatibility of this method. Basically, you should'nt use this method. * iseq.h: move ISEQ_MAJOR/MINOR_VERSION (and some definitions) from iseq.c. * encoding.c (rb_data_is_encoding), internal.h: added. * vm_core.h: add several supports for lazy load. * add USE_LAZY_LOAD macro to specify enable or disable of this feature. * add several fields to rb_iseq_t. * introduce new macro rb_iseq_check(). * insns.def: some check for lazy loading feature. * vm_insnhelper.c: ditto. * proc.c: ditto. * vm.c: ditto. * test/lib/iseq_loader_checker.rb: enabled iff suitable environment variables are provided. * test/runner.rb: enable lib/iseq_loader_checker.rb. * sample/iseq_loader.rb: add sample compiler and loader. $ ruby sample/iseq_loader.rb [dir] will compile all ruby scripts in [dir]. With default setting, this compile creates *.rb.yarb files in same directory of target .rb scripts. $ ruby -r sample/iseq_loader.rb [app] will run with enable to load compiled binary data. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52949 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-08error.c: name_err_local_variablesnobu
* error.c (name_err_local_variables): new method NameError#local_variables for internal use only. [Feature #11777] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52942 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-08compile optimized case dispatch for nil/true/falsenormal
nil/true/false are special literals just like floats, integers, literal strings, and symbols. Optimize when statements with them by using a jump table, too. target 0: a (ruby 2.3.0dev (2015-12-08 trunk 52928) [x86_64-linux]) at "/home/ew/rrrr/b/ruby" target 1: b (ruby 2.3.0dev (2015-12-08 master 52928) [x86_64-linux]) at "/home/ew/ruby/b/ruby" benchmark results: minimum results in each 5 measurements. Execution time (sec) name a b loop_whileloop2 0.102 0.103 vm2_case_lit* 1.657 0.549 Speedup ratio: compare with the result of `a' (greater is better) name b loop_whileloop2 0.988 vm2_case_lit* 3.017 * benchmark/bm_vm2_case_lit.rb: new benchmark * compile.c (case_when_optimizable_literal): add nil/true/false * insns.def (opt_case_dispatch): ditto * vm.c (vm_redefinition_check_flag): ditto * vm.c (vm_init_redefined_flag): ditto * vm_core.h: ditto * object.c (InitVM_Object): define === explicitly for nil/true/false * test/ruby/test_case.rb (test_deoptimize_nil): new test * test/ruby/test_optimization.rb (test_opt_case_dispatch): update (test_eqq): new test [ruby-core:71923] [Feature #11769] Original patch by Aaron Patterson <tenderlove@ruby-lang.org> git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52931 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-04vm.c: make ruby_vm_*_ptr staticnormal
No point in wasting space until we get MVM (if ever). * vm.c (ruby_vm_verbose_ptr): make static (ruby_vm_debug_ptr): ditto git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52890 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-11-20* vm.c (rb_vm_cref_replace_with_duplicated_cref): added.ko1
CREFs should not be shared by methods between `using'. [Bug #11247] * vm_insnhelper.c (vm_cref_replace_with_duplicated_cref): ditto. * vm.c (vm_cref_dup): should copy refinements correctly. * eval.c: use rb_vm_cref_replace_with_duplicated_cref(). * eval_intern.h: add a decl. of rb_vm_cref_replace_with_duplicated_cref(). * vm_eval.c (eval_string_with_cref): do not need to pass scope's CREF because VM can find out CREF from stack frames. * test/ruby/test_refinement.rb: add a test. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52677 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-11-13* refactoring CREF related code.ko1
* eval_intern.h: remove unused setter functions. CREF_CLASS_SET() CREF_NEXT_SET() CREF_SCOPE_VISI_COPY() * eval_intern.h: rename flags: * NODE_FL_CREF_PUSHED_BY_EVAL_ -> CREF_FL_PUSHED_BY_EVAL * NODE_FL_CREF_OMOD_SHARED_ -> CREF_FL_OMOD_SHARED and use IMEMO_FL_USER1/2. * vm.c (vm_cref_new): accept push_by_eval parameter. * vm.c (vm_cref_new_use_prev): added for rb_vm_rewrite_cref(). * vm_insnhelper.c (vm_cref_push): accept pushed_by_eval parameter. * vm_insnhelper.h: remove unused macros: COPY_CREF_OMOD() and COPY_CREF(). * vm_eval.c, insns.def: catch up this fix. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52564 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-11-13* vm.c (vm_define_method): refactoring.ko1
* get CREF in this function. * cbase is no longer needed (CREF_CLASS(cref) is enough). * compile.c: RubyVM::FrozenCore.define_method only accept 2 args. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52563 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-11-13* vm.c (vm_define_method): do not use current CREF immediately,ko1
but check CREF in environment or methods. Methods defined in methods should be public. [Bug #11571] * vm_method.c (rb_scope_module_func_check): check CREF in env or me. if CREF is contained by `me', then return FALSE. * test/ruby/test_method.rb: add a test. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52562 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-10-31use rb_source_loc and rb_source_locationnobu
* error.c, eval.c, eval_error.c, gc.c, variable.c, vm.c, vm_eval.c, vm_trace.c: use rb_source_loc/rb_source_location instead of combination of rb_sourcefile/rb_sourcefilename and rb_sourceline. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52398 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-10-31vm.c: initialize line alwaysnobu
* vm.c (rb_source_location): reset line to 0 if no location is found. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52397 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-10-29use NULL instead of 0ko1
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52369 b2dd03c8-39d4-4d8f-98ff-823fe69b080e