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2017-11-30merge revision(s) 58499,58500: [Backport #13181]usa
parse.y: fix line in rescue * parse.y (set_line_body, primary): fix line number of bodystmt as the beginning of the block. [ruby-core:79388] [Bug #13181] parse.y: set_line_body is not used in ripper git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@60947 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-09-14merge revision(s) 59375: [Backport #13756]usa
parse.y: empty hash in defined * parse.y (command): NODE_ARRAY with NULL is invalid. traversal in defined_expr0 is simplified than iseq_compile_each0. [ruby-core:82113] [Bug #13756] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59884 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-09-14merge revision(s) 59763: [Backport #13874]usa
string.c: fix false coderange * string.c (rb_enc_str_scrub): enc can differ from the actual encoding of the string, the cached coderange is useless then. [ruby-core:82674] [Bug #13874] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59883 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-09-14merge revision(s) 59644: [Backport #13836]usa
parse.y: primary should not be 0 * parse.y (primary): should not be 0, since it can be a receiver. [ruby-core:82447] [Bug #13836] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59881 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-09-14merge revision(s) 59613: [Backport #13817]usa
vm_method.c: alias warning at refined method * vm_method.c (rb_method_entry_make): suppress a warning at refined method which will not be redefined. [ruby-core:82385] [Bug #13817] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59880 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-08-09merge revision(s) 59202: [Backport #13690]usa
compile.c: disallow next in once * compile.c (iseq_compile_each0): turned dregx context in "once" into "guarded" type from "block" type, to disallow `next`, `break`, `redo` as well as outside "once". [ruby-core:81805] [Bug #13690] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59553 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-08-09* test/ruby/test_process.rb (test_rlimit_{name,value}): test in UTF-8usa
encoding. fix test failures introduced at r59531 on some platforms. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59552 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-08-09merge revision(s) 58262,58263: [Backport #13369]usa
fix TracePoint#return_value with non-local exits * vm.c: get return_value from imemo_throw_data object (THROW_DATA_VAL()). imemo_throw_data (TAG_BREAK) contains returned value. However, imemo_throw_data (TAG_BREAK) can skip several frames so that we need to use it only once (at most internal frame). To record it, we introduced THROW_DATA_CONSUMED and check it. * internal.h: define THROW_DATA_CONSUMED flag. * test/ruby/test_settracefunc.rb: add tests for [Bug #13369] * vm_insnhelper.h: add THROW_DATA_CONSUMED_P() and THROW_DATA_CONSUMED_SET(). internal.h: parenthesize macro argument * internal.h (THROW_DATA_P): parenthesize the argument which is casted. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59547 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-08-09merge revision(s) 59368: [Backport #13753]usa
random.c: ensure initialized * random.c (get_rnd, try_get_rnd): ensure initialized to get rid of crash in forked processes. [ruby-core:82100] [Bug #13753] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59546 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-08-09merge revision(s) 59181: [Backport #13680]usa
vm_insnhelper.c: break in once * vm_insnhelper.c (vm_throw_start): size of catch table has been included in iseq_catch_table struct, which could be NULL, since 2.2. e.g., proc-closure in `once'. [ruby-core:81775] [Bug #13680] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59543 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-08-09merge revision(s) 58503: [Backport #13523]usa
node.h: sign-extend * node.h (nd_line): should sign-extend. shifting `VALUE` extends with zero bits if `sizeof(VALUE)` equals to `sizeof(int)`. the zero bits are truncated if `sizeof(VALUE)` is bigger enough. [ruby-core:80920] [Bug #13523] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59541 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-08-09[Backport #13150]usa
this patch contains r54158, r57410, r57631 and r57954. Prevent GC by volatile [Bug #13150] test/ruby/test_marshal.rb test_context_switch (load) and test_gc (dump) are failed on FreeBSD 10.3 and gcc7 (FreeBSD Ports Collection) 7.0.0 20170115 (experimental); RB_GC_GUARD looks not worked well. * include/ruby/ruby.h (RB_GC_GUARD): prevent guarded pointer from optimization by using as an input to inline asm. * ruby.h: remove comment * include/ruby/ruby.h (RB_GC_GUARD): remove comment unsupported by Solaris AS. Hidden objects (klass == 0) are not visible to Ruby code invoked from other threads or signal handlers, so they can never be accessed from other contexts. This makes it safe to call rb_gc_force_recycle on the object slot after releasing malloc memory. * marshal.c (rb_marshal_dump_limited): hide dump_arg and recycle when done (rb_marshal_load_with_proc): hide load_arg and recycle when done [ruby-core:79518] * marshal.c (rb_marshal_dump_limited): do not free dump_arg, which may be dereferenced in check_dump_arg due to continuation, and get rid of dangling pointers. * marshal.c (rb_marshal_load_with_proc): ditto for load_arg. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59539 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-08-09merge revision(s) 57415,57474: [Backport #13239]usa
eval.c: copy special exception * eval.c (setup_exception): make unfrozen copy of special exception before setting up a cause. test_io.rb: separate a test * test/ruby/test_io.rb (test_closed_stream_in_rescue): run in a separated process. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59538 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-08-09merge revision(s) 59322,59325: [Backport #13744]usa
process.c: handle dynamic :rlimit_* symbols in spawn execopts * process.c (rb_execarg_addopt_rlimit): hoist out of rb_execarg_addopt (rlimit_type_by_sym): new wrapper for dynamic symbol (rb_execarg_addopt): check for dsym via rlimit_type_by_sym * test/ruby/test_process.rb (test_execopts_rlimit): check dsym w/o pindown Add extra check for bogus rlimit args, too. [ruby-core:82033] [Bug #13744] process.c: null bytes * process.c (rlimit_type_by_sym): prohibit null bytes in key names. [ruby-core:82033] [Bug #13744] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59531 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-07-07This backport of r58812 is necessary to ease backporting r59028,usa
which fixes a real bug. * thread.c (struct waiting_fd): declare (rb_thread_io_blocking_region): use on-stack list waiter (rb_notify_fd_close): walk vm->waiting_fds instead (call_without_gvl): remove old field setting (th_init): ditto [Feature #9632] * vm_core.h (typedef struct rb_vm_struct): add waiting_fds list * (typedef struct rb_thread_struct): remove waiting_fd field (rb_vm_living_threads_init): initialize waiting_fds list This should fix bad interactions with test_race_gets_and_close in test/ruby/test_io.rb since we ensure rb_notify_fd_close continues returning the busy flag after enqueuing the interrupt. * thread.c (rb_notify_fd_close): do not enqueue multiple interrupts [ruby-core:81581] [Bug #13632] * test/ruby/test_io.rb (test_single_exception_on_close): new test based on script from Nikolay git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59274 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-06-30merge revision(s) 59161: [Backport #13672]usa
parse.y: check multibyte char * parse.y (parser_precise_mbclen): check invalid multibyte char at skipping strings following `?x` literal string, not to stuck in a infinite loop. [ruby-core:81746] [Bug #13672] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59241 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-06-30merge revision(s) 58693: [Backport #13558]usa
array.c: check position to insert * array.c (rb_ary_insert): check position to insert even if no elements to be inserted. [ruby-core:81125] [Bug #13558] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59238 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-06-30merge revision(s) 58334,58346,58349: [Backport #13425] [Backport #13432]usa
thread.c: disable VM events when stack overflow * thread.c (ruby_thread_stack_overflow): disable VM events when stack overflow occurred; it causes another stack overflow again in making backtrace object, and crashes. [ruby-core:80662] [Bug #13425] increase timeout seconds. * test/ruby/test_trace.rb (test_trace_stackoverflow): on some platforms this test fails because of timeout. disable rewind hooks. * vm.c (hook_before_rewind): skip rewind hooks if err is SystemStackError because rewind hooks can cause stack overflow again and again. * thread.c (ruby_thread_stack_overflow): do not disable all hooks. Additionally, clearing ruby_vm_event_flags is not suitable way to disable hooks. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59232 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-06-30merge revision(s) 59080,59082: [Backport #13656]usa
proc.c: skip prepended modules * proc.c (method_super_method): skip prepended modules and continue from the super class of the original class. [ruby-core:81666] [Bug #13656] test/ruby/test_method.rb: refined [ruby-core:81666] [Bug #13656] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59231 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-06-30merge revision(s) 58796: [Backport #13545]usa
Merge latest dtoa.c [Bug #13545] Apply some part of http://www.netlib.org/fp/dtoa.c with my eyes... git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59224 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-06-30merge revision(s) 58587,58588: [Backport #13526]usa
variable.c: cleanup waitq upon thread death * variable.c (autoload_reset): use idempotent list_del_init (autoload_sleep): moved code from rb_autoload_load (autoload_sleep_done): cleanup for use with rb_ensure (rb_autoload_load): ensure list delete happens in case the thread dies during sleep * test/ruby/bug-13526.rb: new script for separate execution * test/ruby/test_autoload.rb (test_bug_13526): new test [ruby-core:81016] [Bug #13526] * properties. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59219 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-06-30merge revision(s) 58453,58454: [Backport #13499]usa
Fix space flag when Inf/NaN and width==3 * sprintf.c (rb_str_format): while `"% 2f"` and `"% 4f"` result in `" Inf"` and `" Inf"` respectively, `"% 3f"` results in `"Inf"` (no space). Refactor "%f" % Inf/NaN * sprintf.c (rb_str_format): as for non-finite float, calculate the exact needed size with the space flag. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59218 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-04-30merge revision(s) 55604,55612: [Backport #13138]usa
* numeric.c (flo_round): [EXPERIMENTAL] adjust the case that the receiver is close to the exact but unrepresentable middle value of two values in the given precision. http://d.hatena.ne.jp/hnw/20160702 numeric.c: round as double * numeric.c (flo_round): compare as double, not long double with i387. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@58513 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-28merge revision(s) 58200: [Backport #13376]nagachika
* hash.c (any_hash): fix Symbol#hash to be nondeterministic. The patch was provided by Eric Wong. [ruby-core:80433] [Bug #13376] test/ruby/test_symbol.rb: new test for nondeterminism We need to ensure hashes for static symbols remain non-deterministic to avoid DoS attacks. This is currently the case since 2.4+, but was not for the 2.3 series. * test/ruby/test_symbol.rb (test_hash_nondeterministic): new test [ruby-core:80430] [Bug #13376] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@58203 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-27merge revision(s) 57816,57817: [Backport #13292]nagachika
fix UTF-32 valid_encoding? * enc/utf_32be.c (utf32be_mbc_enc_len): check arguments precisely. [ruby-core:79966] [Bug #13292] * enc/utf_32le.c (utf32le_mbc_enc_len): ditto. * regenc.h (UNICODE_VALID_CODEPOINT_P): predicate for valid Unicode codepoints. fix UTF-32 valid_encoding? * test/ruby/test_io_m17n.rb (TestIO_M17N#test_puts_widechar): do not use invalid codepoint. [ruby-core:79966] [Bug #13292] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@58183 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-27merge revision(s) 57422: [Backport #13158]nagachika
io.c: close before wait * io.c (io_close_fptr): notify then close, and wait for other threads before free fptr. [ruby-core:79262] [Bug #13158] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@58177 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-27merge revision(s) 57374: [Backport #13135]nagachika
string.c: rindex(//) should set $~. This seems a bug introduced by r520 (1.4.0). [ruby-core:79110] [Bug #13135] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@58176 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-27merge revision(s) 57302,57303,57304: [Backport #13119]nagachika
string.c: block for scrub with ASCII-incompatible * string.c (rb_enc_str_scrub): honor the given block with ASCII-incompatible encoding. [ruby-core:79039] [Bug #13120] string.c: yield invalid part * string.c (rb_enc_str_scrub): yield the invalid part only with ASCII-incompatible. [ruby-core:79039] [Bug #13120] string.c: replacement and block * string.c (rb_enc_str_scrub): only one of replacement and block is allowed. [ruby-core:79038] [Bug #13119] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@58175 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-27merge revision(s) 57362: [Backport #13096]nagachika
vm_method.c: resolve refined method to undef * vm_method.c (rb_undef): resolve the method entry which refines a prepended method entry. [ruby-core:78944] [Bug #13096] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@58174 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-27merge revision(s) 57236: [Backport #13089]nagachika
rational.c: memory leak in gcd * rational.c (rb_gcd_gmp): fix memory leak. patched by KISHIMOTO, Makoto <ksmakoto AT dd.iij4u.or.jp> in [ruby-dev:49934]. [Bug #13089] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@58173 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-27merge revision(s) 57187,57234: [Backport #13075]nagachika
pack.c: avoid returning uninitialized String Fix unpacking with 'b', 'B', 'h' and 'H' format. Do not return an uninitialized String to Ruby before filling the content bytes. Fixes r11175 ("pack.c (pack_unpack): execute block if given with unpacked value instead of creating an array", 2006-10-15). [ruby-core:78841] [Bug #13075] test/ruby/test_pack.rb: fix test case added by r57187 The test case for String#unpack added by r57187 is not properly testing because the String will be filled after the block invocation. [ruby-core:78841] [Bug #13075] Thanks to nagachika for pointing this out: http://d.hatena.ne.jp/nagachika/20161226/ruby_trunk_changes_57184_57194#r57187 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@58171 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-27merge revision(s) 57360: [Backport #12884]nagachika
class.c: non-keyword hash class * class.c (rb_extract_keywords): keep the class of non-keyword elements hash as the original. [ruby-core:77813] [Bug #12884] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@58167 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-27merge revision(s) 57278,57279: [Backport #12855]nagachika
fix optimization for hash aset/aref with fstring Patch by Eric Wong [ruby-core:78797]. I don't like the idea of making insns.def any bigger to support a corner case, and "test_hash_aref_fstring_identity" shows how contrived this is. [ruby-core:78783] [Bug #12855] adjust indent [ci skip] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@58166 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-27merge revision(s) 56747,56754,56777: [Backport #12923] [Backport #12930] ↵nagachika
[Backport #13238] class.c: no fstring singleton class * class.c (singleton_class_of): prohibit fstrings from creating singleton classes. temporary measure for [ruby-dev:49867] [Bug #12923] test_fstring.rb: fix exception * test/-ext-/string/test_fstring.rb (test_singleton_class): fix expected exception class. [ruby-dev:49867] [Bug #12923] vm_eval.c: fstring instance_eval * vm_eval.c (singleton_class_for_eval): enable fstring singleton class for instance_eval. [ruby-core:78116] [Bug #12930] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@58157 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-27merge revision(s) 57121: [Backport #13053]nagachika
array.c: do not resize to less than 0 Shrinking the Array from the block invoked by Array#select! or Array#reject! causes the Array to be a negative number size. Ensure that the resulting Array won't be smaller than 0. [ruby-core:78739] [Bug #13053] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@58149 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-27merge revision(s) 56592: [Backport #11964]nagachika
* eval.c, method.h, proc.c, vm.c, vm_eval.c, vm_insnhelper.c, vm_method.c: 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/branches/ruby_2_3@58148 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-22merge revision(s) 56020,57717: [Backport #13253]nagachika
parse.y: heredoc token * parse.y (parser_heredoc_identifier): gather branches by quote char. parse.y: indent at invalid identifier * parse.y (parser_heredoc_identifier): set indent only when valid identifier, not to dedent non-existent contents later. [ruby-core:79772] [Bug #13253] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@58061 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-22merge revision(s) 57688,57689: [Backport #13242]nagachika
rational.c: infinity in power * rational.c (nurat_expt): return Infinity due to overflow. [ruby-core:79686] [Bug #13242]: rational.c: infinity in power * rational.c (nurat_expt): return 0 due to overflow. [ruby-core:79686] [Bug #13242]: git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@58060 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-22merge revision(s) 57199,57202,57206,57224: [Backport #13076]nagachika
io.c: fix race between read and close * io.c (io_fillbuf): fix race between read and close, in the case the IO gets closed before the reading thread achieve the lock. [ruby-core:78845] [Bug #13076] thread.c: fix race between read and close * thread.c (rb_thread_fd_close): wait until all threads using the fd finish the operation, not to free the buffer in use. [ruby-core:78845] [Bug #13076] revert a part of r57199 * io.c (io_fillbuf): revert a part of r57199 because it broke IO#getch. see also [Bug #13076] io.c: fix race between read and close * io.c (io_fillbuf): fix race between read and close and bail out in the case the IO gets closed before the reading thread achieve the lock. [ruby-core:78845] [Bug #13076] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@58058 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-22merge revision(s) 57024: [Backport #13015]nagachika
vm.c: check type of hash to merge * 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/branches/ruby_2_3@58056 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-19merge revision(s) 54785: [Backport #11900]nagachika
* ruby.c (process_options): convert -e script to the encoding given by a command line option on Windows. assume it is the expected encoding. [ruby-dev:49461] [Bug #11900] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@58029 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-19merge revision(s) 57595: [Backport #8996]nagachika
check thread deadness correctly. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@58027 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-19merge revision(s) 56125,56150: [Backport #12741]nagachika
* thread.c (rb_threadptr_raise): set cause from the called thread, but not from the thread to be interrupted. [ruby-core:77222] [Bug #12741] * test/ruby/test_exception.rb: fix thread issues. * use Queue instead of a local variable for synchronization. * join created thread to soleve leaking threads warning. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@58026 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-02-07merge revision(s) 57123: [Backport #13054]nagachika
re.c: consider the case of RMatch::regexp is nil Follow r49675, r57098 and r57110. Don't assume RMatch::regexp always contains a valid Regexp instance; it will be Qnil if the MatchData is created by rb_backref_set_string(). [ruby-core:78741] [Bug #13054] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@57569 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-01-16merge revision(s) 57119: [Backport #13052]nagachika
array.c: check array length every time after yielding Since the Array may be modified during rb_yield(), the length before invoking the block can't be trusted. Fix possible out-of-bounds read in Array#combination and Array#repeated_combination. It may better to make a defensive copy of the Array, but for now let's follow what Array#permutation does. [ruby-core:78738] [Bug #13052] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@57350 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-01-16merge revision(s) 57098: [Backport #13042]nagachika
re.c: non-regexp name reference * re.c (rb_reg_regsub): other than regexp has no name references. [ruby-core:78686] [Bug #13042] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@57349 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-01-16merge revision(s) 57078: [Backport #13034]nagachika
encoding.c: handle needmore error from rb_enc_precise_mbclen() rb_enc_ascget() erroneously reports success even if the given byte sequence is incomplete, for non-ASCII compatible encoding strings. rb_enc_precise_mbclen() may return a negative value on error, and thus rb_enc_ascget() must not store the return value in 'unsigned int'; otherwise the subsequent MBCLEN_CHARFOUND_P() check won't catch the error. [ruby-core:78646] [Bug #13034] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@57348 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-01-16merge revision(s) 56980,56981: [Backport #13004]nagachika
extension.rdoc: fix rb_get_kwargs [ci skip] * doc/extension.rdoc: [DOC] optional keyword arguments are defaulted to Qundef. ignored keys are kept in the hash but a new Hash is not created. [ruby-dev:49893] [Bug #13004] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@57346 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-01-16merge revision(s) 56894: [Backport #12974]nagachika
marshal.c: fix infinite recursion * marshal.c (check_userdump_arg): marshal_dump should not return an instance of the same class, otherwise it causes infinite recursion. [ruby-core:78289] [Bug #12974] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@57343 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-01-16merge revision(s) 56469: [Backport #12860]nagachika
* compile.c (setup_args): duplicate splatting array if more arguments present to obey left-to-right execution order. [ruby-core:77701] [Bug# 12860] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@57342 b2dd03c8-39d4-4d8f-98ff-823fe69b080e