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2015-12-28iseq.c: suppress warningsnobu
* iseq.c (rb_iseq_compile_with_option): suppress "clobbered" warnings by old gcc. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53355 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-24iseq.c: narrow down protected regionnobu
* iseq.c (rb_iseq_compile_with_option): narrow down protected region, and check/convert/prepare arguments before setting base_block which needs to roll back. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53282 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-14* enum.c: fix a typo in documentation.hsbt
[ci skip][fix GH-1140] Patch by @jutaz * io.c: ditto. * iseq.c: ditto. * numeric.c: ditto. * process.c: ditto. * string.c: ditto. * vm_trace.c: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53105 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-12iseq.c: use rb_check_funcallnobu
* iseq.c (rb_iseq_load_iseq): use rb_check_funcall instead of repeating method search. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53048 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-09* iseq.c: rename methodsko1
RubyVM::InstructionSequence#to_binary_format -> #to_binary RubyVM::InstructionSequence.from_binary_format -> .load_from_binary RubyVM::InstructionSequence.from_binary_format_extra_data -> .load_from_binary_extra_data * iseq.c: fix document of iseq.to_binary. [Fix GH-1134] * sample/iseq_loader.rb: catch up this change. * test/lib/iseq_loader_checker.rb: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53004 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-09add documentation for RubyVM::InstructionSequence#to_binary_format and ↵ko1
RubyVM::InstructionSequence.from_binary_format git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52990 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-08make local symbols staticnobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52964 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-08* iseq.c (iseq_s_load): fix mysterious bug.ko1
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52953 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-08* remove trailing spaces.svn
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52950 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
2015-12-07* iseq.c (iseq_load): disable peephole optimization optionko1
because apply it multiple times change the sequence. (iseq != peephole_optimize(load(iseq.to_a))) git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52924 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-07* iseq.c (iseq_translate): at the end of constructing an iseq,ko1
call RubyVM::InstructionSequence.translate(iseq) if this method is defined. If the return value is also an object of RubyVM::InstructionSequence, then use it instead of created one. For example, this method is useful to test iseq dumper/loader such as RubyVM::InstructionSequence#to_a and rb_iseq_load(). Because this method is for such internal experimental usage, the interface is not matured. For example, this interface has no extensibility. Two or more translaters can not run simultaneously. So that we don't guarantee future compatibility of this method. Basically, do not use this method. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52921 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-02* vm_core.h, iseq.h: remove rb_iseq_t::variable_body.ko1
Fields in rb_iseq_t::variable_body are contained by rb_iseq_t::body::mark_ary (hidden Array object). Index 0 to 2 of mark_ary are reserved by these objects. * iseq.c: catch up this fix. * compile.c (rb_iseq_original_iseq): trivial rewrite. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52865 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-02* iseq.h: introduce ISEQ_ORIGINAL_ISEQ() andko1
ISEQ_ORIGINAL_ISEQ_ALLOC() macro. * compile.c: use them to access original iseq buffer. * iseq.c: ditto. * vm_core.h: rename iseq field to support this fix. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52862 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-02* iseq.h: introduce ISEQ_COVERAGE() and ISEQ_COVERAGE_SET() macro.ko1
* compile.c: use them. * iseq.c: ditto. * iseq.c (rb_iseq_coverage): added. * thread.c (update_coverage): use rb_iseq_coverage(). * vm_core.h: rename coverage field name to support this fix. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52860 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-12-02* iseq.h: introduce ISEQ_COMPILE_DATA() macro.ko1
* compile.c, iseq.c: use ISEQ_COMPILE_DATA(). * vm_core.h: rename compile_data field to support this fix. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52858 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-11-25iseq.h: rename membernobu
* iseq.h (rb_compile_option_struct): rename the member frozen_string_literal_debug as debug_frozen_string_literal. [Feature #11725] * ruby.c (proc_options): do not set $DEBUG and $VERBOSE only if no arguments is given. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52749 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-11-01iseq.c (iseq_memsize): account for rb_call_cache entriesnormal
Add some comments to clarify the allocated field used for the allocations while we're at it. TODO: figure out a better way of testing/maintaining this... git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52419 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-10-23* iseq.c (make_compile_option_value): include frozen_string_literal*ko1
in a made option value. * vm_opts.h: forgot to add OPT_FROZEN_STRING_LITERAL_DEBUG at last commit. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52258 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-10-23* ruby.c: introduce --enable-frozen-string-literal-debug option.ko1
If this option is enabled, the modify error will be: can't modify frozen String (RuntimeError) => can't modify frozen String, created at test.rb:3 (RuntimeError) * iseq.h: add compile option frozen_string_literal_debug. * compile.c: catch up this fix. * error.c (rb_error_frozen): ditto. * iseq.c (set_compile_option_from_hash): ditto. * test/ruby/test_rubyoptions.rb: add a test for this fix. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52257 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-10-14iseq.c: list of keywords [Fix GH-1056]nobu
* iseq.c (rb_insn_operand_intern): change kw in callinfo disasm from the number of keyword arguments to an ordered list of the keywords used. [Feature #11589] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52123 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-10-05* iseq.c (rb_iseq_free): free iseq::variable_body to avoid memoryko1
leak. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52051 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-09-27fronzen-string-literal pragmanobu
* compile.c (iseq_compile_each): override compile option by option given by pragma. * iseq.c (rb_iseq_make_compile_option): extract a function to overwrite rb_compile_option_t. * parse.y (parser_set_compile_option_flag): introduce pragma to override compile options. * parse.y (magic_comments): new pragma "fronzen-string-literal". [Feature #8976] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51953 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-09-19* iseq.c (rb_iseq_free): free rb_iseq_t::body::cc_entries.ko1
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51904 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-09-19* vm_core.h: split rb_call_info_t into several structs.ko1
* rb_call_info (ci) has compiled fixed information. * if ci->flag & VM_CALL_KWARG, then rb_call_info is also rb_call_info_with_kwarg. This technique reduce one word for major rb_call_info data. * rb_calling_info has temporary data (argc, blockptr, recv). for each method dispatch. This data is allocated only on machine stack. * rb_call_cache is for inline method cache. Before this patch, only rb_call_info_t data is passed. After this patch, above three structs are passed. This patch improves: * data locarity (rb_call_info is now read-only data). * reduce memory consumption (rb_call_info_with_kwarg, rb_calling_info). * compile.c: use above data. * insns.def: ditto. * iseq.c: ditto. * vm_args.c: ditto. * vm_eval.c: ditto. * vm_insnhelper.c: ditto. * vm_insnhelper.h: ditto. * iseq.h: add iseq_compile_data::ci_index and iseq_compile_data::ci_kw_indx. * tool/instruction.rb: introduce TS_CALLCACHE operand type. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51903 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-09-11* iseq.c: disable ISeq.load. It enabled accidentally at r51794.ko1
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51825 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-09-08* vm_core.h: remove rb_call_info_t::blockiseq.ko1
* insns.def (send, invokesuper): pass blockiseq explicitly. * compile.c: catch up this fix. * iseq.c: ditto. * vm_args.c: ditto. * iseq.c (ISEQ_MINOR_VERSION): 2->3 because instruction spec was changed. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51794 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-09-03* iseq.c (iseq_memsize): functions for wrapper object should haveko1
iseqw_ prefix. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51755 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-08-21* vm_opts.h, iseq.c, iseq.h: add compile option to force frozenko1
string literals. [Feature #11473] This addition is not specification change, but to try frozen string literal world discussed on [Feature #11473]. You can try frozen string literal world using this magical line: RubyVM::InstructionSequence.compile_option = {frozen_string_literal: true} Note that this is a global compilation option, so that you need to compile another script like that: p 'foo'.frozen? #=> false RubyVM::InstructionSequence.compile_option = {frozen_string_literal: true} p 'foo'.frozen? #=> false, because this line is already compiled. p eval("'foo'.frozen?") #=> true Details: * String literals are deduped by rb_fstring(). * Dynamic string literals ("...#{xyz}...") is now only frozen, not deduped. Maybe you have other ideas. Now, please do not use this option on your productions :) Of course, current specification can be changed. * compile.c: ditto. * test/ruby/test_iseq.rb: add a test. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51659 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-08-14iseq.c (rb_iseq_mark): reduce NULL checksnormal
iseq_location_setup always sets path, label and base_label fields, and the only caller of iseq_location_setup (prepare_iseq_build) will always pass non-nil `name' and `path' arguments. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51581 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-08-12iseq.c (iseq_memsize): reimplement for wrappernormal
* iseq.c (iseq_memsize): reimplement for wrapper (param_keyword_size): extracted from iseq_memsize (iseqw_mark): new mark function (iseqw_data_type): new data type (iseqw_new): wrap as iseqw_data_type (iseqw_check): adjust for wrapper (Init_ISeq): remove iseqw_iseq_key initialization * test/objspace/test_objspace.rb: new test [ruby-core:70344] [Feature #11435] v2 changes: - added RUBY_TYPED_WB_PROTECTED and write barrier - account for rb_call_info_kw_arg_t entries git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51547 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-07-25iseq.c: fix typenobu
* iseq.c (rb_iseq_disasm, iseq_data_to_ary): fix loop counter type for array length. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51373 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-07-24* vm_core.h: size should be unsigned.ko1
* rb_call_info_t::index * rb_iseq_constant_body::stack_max * rb_iseq_constant_body::local_size * rb_iseq_constant_body::param::size * rb_iseq_constant_body::local_table_size * rb_iseq_constant_body::is_size * rb_iseq_constant_body::callinfo_size * iseq.h: same for iseq_catch_table::size. * compile.c: catch up these fix. * iseq.c: ditto. * proc.c: ditto. * vm.c: ditto. * vm_args.c: ditto. * vm_eval.c: ditto. * vm_insnhelper.c: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51369 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-07-24* vm_core.h: constify rb_iseq_constant_body::line_info_table.ko1
* iseq.c: catch up this fix. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51368 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-07-24* vm_core.h: constify rb_iseq_constant_body::catch_table.ko1
* compile.c (iseq_set_exception_table): catch up this fix. * iseq.c: ditto. * vm.c (vm_exec): ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51365 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-07-23* vm_core.h: constify rb_iseq_constant_body::local_table andko1
rb_iseq_param_keyword::table and rb_iseq_param_keyword::default_values. * compile.c: catch up this fix. * iseq.c: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51357 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-07-23* vm_core.h: constify rb_iseq_constant_body::iseq_encoded andko1
rb_control_frame_t::pc. * compile.c (rb_iseq_translate_threaded_code): catch up this fix. * iseq.c: ditto. * vm_exec.c (vm_exec_core): ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51356 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-07-22* vm_core.h: separate rb_iseq_body into rb_iseq_constant_body andko1
rb_iseq_variable_body (rb_iseq_t::variable_body). rb_iseq_variable_body can be modified after compilation. * compile.c: use rb_iseq_t::variable_body. * iseq.c: ditto. * thread.c: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51339 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-07-21* make rb_iseq_t T_IMEMO object (type is imemo_iseq).ko1
All contents of previous rb_iseq_t is in rb_iseq_t::body. Remove rb_iseq_t::self because rb_iseq_t is an object. RubyVM::InstructionSequence is wrapper object points T_IMEMO/iseq. So RubyVM::ISeq.of(something) method returns different wrapper objects but they point the same T_IMEMO/iseq object. This patch is big, but most of difference is replacement of iseq->xxx to iseq->body->xxx. (previous) rb_iseq_t::compile_data is also located to rb_iseq_t::compile_data. It was moved from rb_iseq_body::compile_data. Now rb_iseq_t has empty two pointers. I will split rb_iseq_body data into static data and dynamic data. * compile.c: rename some functions/macros. Now, we don't need to separate iseq and iseqval (only VALUE). * eval.c (ruby_exec_internal): `n' is rb_iseq_t (T_IMEMO/iseq). * ext/objspace/objspace.c (count_imemo_objects): count T_IMEMO/iseq. * gc.c: check T_IMEMO/iseq. * internal.h: add imemo_type::imemo_iseq. * iseq.c: define RubyVM::InstructionSequnce as T_OBJECT. Methods are implemented by functions named iseqw_.... * load.c (rb_load_internal0): rb_iseq_new_top() returns rb_iseq_t (T_IMEMO/iesq). * method.h (rb_add_method_iseq): accept rb_iseq_t (T_IMEMO/iseq). * vm_core.h (GetISeqPtr): removed because it is not T_DATA now. * vm_core.h (struct rb_iseq_body): remove padding for [Bug #10037][ruby-core:63721]. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51327 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-07-21* vm_core.h: constify rb_call_info_t::kw_arg,ko1
rb_control_frame_t::iseq and rb_control_frame_t::block_iseq. * iseq.c (iseq_free): catch up this fix. * vm.c: ditto. * vm_dump.c: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51325 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-07-21* vm_core.h: constify rb_call_info_t::blockiseq and rb_iseq_t::iseq.ko1
* vm.c, vm_insnhelper.c: catch up this fix. * iseq.c (iseq_data_to_ary): constify the first iseq parameter. * vm_insnhelper.c (vm_make_proc_with_iseq): ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51323 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-07-21* compile.c: constify the first parameter (iseq).ko1
* iseq_add_mark_object() * iseq_add_mark_object_compile_time() * iseq.c, iseq.h (rb_iseq_add_mark_object): ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51311 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-07-16avoid redundant GET_THREAD() callsnormal
This reduces binary size slightly on my 32-bit system: text data bss dec hex filename 2847705 12360 30632 2890697 2c1bc9 ruby.orig 2847641 12360 30632 2890633 2c1b89 ruby * iseq.c (rb_iseq_compile_with_option): reuse result of previous GET_THREAD() call * thread.c (thread_create_core): ditto (rb_mutex_trylock): ditto (rb_mutex_lock): ditto * process.c (rb_waitpid): avoid multiple eval from RUBY_VM_CHECK_INTS * thread.c (rb_thread_check_ints): ditto git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51273 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-07-16* vm_core.h: constify rb_iseq_t::parent_iseq.ko1
rb_iseq_t::local_iseq is not constant data because local_iseq::flip_cnt can be modified (commentted). * compile.c: catch up this fix. * iseq.c: ditto. * vm_insnhelper.c: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51269 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-07-16* iseq.c (rb_iseq_disasm): rename rb_iseq_t *iseqdat to iseqko1
and VALUE *iseq to code. * iseq.c (rb_iseq_disasm_insn): ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51267 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-07-15remove redundant NULL check in mark functionsnormal
gc.c (gc_mark_children)only calls mark_func if the T_DATA ptr is non-NULL, so avoid redundantly checking for that in each mark function. * iseq.c (iseq_mark): remove check for data pointer * proc.c (binding_mark): ditto * vm.c (rb_thread_mark): ditto * vm_trace.c (tp_mark): ditto git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51252 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-07-07iseq.c (iseq_data_to_ary): dump kw_arg as symbolnormal
Fix RubyVM::InstructionSequence#to_a after r49517 Keywords were made symbols to fix [Bug #10831] [ruby-core:68031], so we should dump symbols as-is instead of attempting to convert them from IDs * iseq.c (iseq_data_to_ary): dump kw_arg as symbol * test/-ext-/iseq_load/test_iseq_load.rb: test kw_arg roundtrip [ruby-core:69891] [Bug #11338] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51190 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-07-07* vm_core.h: remove rb_iseq_t::orig because rb_iseq_clone()ko1
no longer exists. * iseq.c: don't use rb_iseq_t::orig. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51172 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-07-07* iseq.c, internal.h (rb_iseq_clone): removed because we don't need toko1
clone iseq any more. * class.c (clone_method): share iseq between cloned methods. All of method dependent information are able to refer from method entry. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51171 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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