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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().
unless File::FNM_DOTMATCH is set. (like '*/') [ruby-dev:23014]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@59296 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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vm_core.h: ruby_error_stream_closed
* vm_core.h (ruby_special_exceptions): renamed
ruby_error_closed_stream as ruby_error_stream_closed, like the
message.
speed up IO#close with many threads
Today, it increases IO#close performance with many threads:
Execution time (sec)
name trunk after
vm_thread_close 4.276 3.018
Speedup ratio: compare with the result of `trunk' (greater is better)
name after
vm_thread_close 1.417
This speedup comes because rb_notify_fd_close only scans threads
inside rb_thread_io_blocking_region, not all threads in the VM.
In the future, this type data structure may allow us to notify
waiters of multiple FDs on a single thread (when using
Fibers).
* 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
* 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
I am now kicking myself for not thinking about this 3 years ago
when I introduced ccan/list in [Feature #9632] to optimize this
same function :<
IO#close: do not enqueue redundant interrupts (take #2)
Enqueuing multiple errors for one event causes spurious errors
down the line, as reported by Nikolay Vashchenko in
https://bugs.ruby-lang.org/issues/13632
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.
Backporting changes to 2.4 and earlier releases will be more
challenging...
* 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_4@59286 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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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_4@58637 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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compile.c: wrong optimization
* compile.c (compile_branch_condition): expression which has side
effects should not be eliminated.
[ruby-core:80740] [Bug #13444]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@58634 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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class.c: ensure_includable
* class.c (ensure_includable): extract checks to include and
prepend.
class.c: prohibit refinement module
* class.c (ensure_includable): cannot include refinement
module, or the type and the class do not match.
[ruby-core:79632] [Bug #13236]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@58632 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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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_4@58625 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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[Bug #12705]
add a ticket number.
test_lambda.rb: refine test
* test/ruby/test_lambda.rb (test_lambda_as_iterator): refine a
test for the intention of the original report.
[ruby-core:61340] [Bug #9605]
test_lambda.rb: remove duplcate tests
vm_args.c: arity check of lambda
* vm_eval.c (rb_yield_lambda): new function which yields an array
to a proc and splat to a lambda. mainly for Enumerable only.
* vm_args.c (setup_parameters_complex): remove special lambda
splatting for [Bug #9605]. [ruby-core:77065] [Bug #12705]
* vm_insnhelper.c (vm_callee_setup_block_arg): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@58045 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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vm_args.c: pass block
* vm_args.c (refine_sym_proc_call): pass block to the method when
using refinements. [ruby-core:80219] [Bug #13325]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@58022 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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thread.c: thread_do_start
* thread.c (thread_do_start): extract from a macro in
thread_start_func_2 for debugger.
thread.c: Thread.start with Symbol
* thread.c (thread_do_start): fix segfault at start with Symbol.
proc created by Symbol#to_proc does not have environment unless
using refinements. [ruby-core:80147] [Bug #13313]
Fiber also has same issue. [Bug #13313]
* thread.c (rb_vm_proc_local_ep): added.
* cont.c (rb_fiber_start): use rb_vm_proc_local_ep().
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@58003 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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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.
ruby.h: RB_GC_GUARD stronger than gcc7
* 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.
marshal.c: use hidden objects to allow recycling
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: revert r57631 partially
* 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_4@57954 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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io.c: recycle garbage on write
* string.c (STR_IS_SHARED_M): new flag to mark shared mulitple times
(STR_SET_SHARED): set STR_IS_SHARED_M
(rb_str_tmp_frozen_acquire, rb_str_tmp_frozen_release): new functions
(str_new_frozen): set/unset STR_IS_SHARED_M as appropriate
* internal.h: declare new functions
* io.c (fwrite_arg, fwrite_do, fwrite_end): new
(io_fwrite): use new functions
Introduce rb_str_tmp_frozen_acquire and rb_str_tmp_frozen_release
to manage a hidden, frozen string. Reuse one bit of the embed
length for shared strings as STR_IS_SHARED_M to indicate a string
has been shared multiple times. In the common case, the string
is only shared once so the object slot can be reclaimed immediately.
minimum results in each 3 measurements. (time and size)
Execution time (sec)
name trunk built
io_copy_stream_write 0.682 0.254
io_copy_stream_write_socket 1.225 0.751
Speedup ratio: compare with the result of `trunk' (greater is better)
name built
io_copy_stream_write 2.680
io_copy_stream_write_socket 1.630
Memory usage (last size) (B)
name trunk built
io_copy_stream_write 95436800.000 6512640.000
io_copy_stream_write_socket 117628928.000 7127040.000
Memory consuming ratio (size) with the result of `trunk' (greater is better)
name built
io_copy_stream_write 14.654
io_copy_stream_write_socket 16.505
string.c (rb_str_tmp_frozen_release): release embedded strings
Handle the embedded case first, since we may have an embedded
duplicate and non-embedded original string.
* string.c (rb_str_tmp_frozen_release): handled embedded strings
* test/ruby/test_io.rb (test_write_no_garbage): new test
[ruby-core:78898] [Bug #13085]
io.c (rb_io_syswrite): avoid leaving garbage after write
As with IO#write, IO#syswrite also generates garbage which can
be harmful in hand-coded read-write loops.
* io.c (swrite_arg, swrite_do, swrite_end): new
(rb_io_syswrite): use new functions to cleanup garbage
[ruby-core:78898] [Bug #13085]
Add class name to assert messages
io.c: remove rb_ensure usage for rb_str_tmp_frozen_* calls
Using rb_ensure pessimizes the common case and makes the code
more difficult to read and follow. If we hit an exceptions
during write, just let the GC handle cleanup as the exception
is already bad for garbage.
* io.c (io_fwrite): call rb_str_tmp_frozen{acquire,release} directly
(rb_io_syswrite): ditto
(fwrite_do, fwrite_end, swrite_do, swrite_end): remove
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57941 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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eval.c: copy special exception
* eval.c (setup_exception): make unfrozen copy of special
exception before setting up a cause.
reduce iterations for slower machines
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_4@57939 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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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_4@57935 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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parse.y: remove trace
* parse.y (reg_named_capture_assign_iter): do not insert trace
instructions before local variable assinments. putobject is
expected at first. [ruby-core:79940] [Bug #13287]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57934 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57932 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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string.c: fix integer overflow
* string.c (rb_str_subpos): fix integer overflow which can happen
only when SHARABLE_MIDDLE_SUBSTRING is enabled. incorpolate
https://github.com/mruby/mruby/commit/7db0786abdd243ba031e24683f
string.c: fix integer overflow
* string.c (str_byte_substr): fix another integer overflow which
can happen only when SHARABLE_MIDDLE_SUBSTRING is enabled.
[ruby-core:79951] [Bug #13289]
string.c: negation of LONG_MIN
* string.c (rb_str_update): do not use negation of LONG_MIN, which
is negative too.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57931 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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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_4@57912 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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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_4@57911 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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regparse.c: initialize return values
* regparse.c (parse_char_class): initialize return values before
depth limit check. returned values will be freed in callers
regardless the error. [ruby-core:79624] [Bug #13234]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57909 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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vm_insnhelper.c: super to module in refinement
* vm_insnhelper.c (vm_call_zsuper): method defined in module in
refinement is not callable as-is. dispatch again.
[ruby-core:79588] [Bug #13227]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57907 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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check thread deadness correctly.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57906 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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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_4@57872 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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object.c: no TypeError at Symbol
* object.c (special_object_p): uninterned Symbol also should not
raise a TypeError but return itself instead, as well as interned
Symbols. [ruby-core:79216] [Bug #13145]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57869 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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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_4@57864 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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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_4@57862 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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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_4@57861 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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error.c: moved
* error.c (preface_dump, postscript_dump): moved from
rb_vm_bugreport to place the last important message at the very
last after [NOTE].
error.c: moved
* error.c (preface_dump, postscript_dump): CrashReporter directory
was used before Mac OS X 10.6.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57858 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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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_4@57855 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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compile.c: check compile
* compile.c (iseq_compile_each): check if sub nodes succeeded.
[ruby-core:76531] [Bug #12613]
compile.c: check err_info
* compile.c (iseq_setup): bail out if any errors found.
[ruby-core:76531] [Bug #12613]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57854 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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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_4@57848 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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vm.c: fix return in lambda
* 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/branches/ruby_2_4@57847 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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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_4@57846 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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numeric.c: reduce fdiv
* numeric.c (rb_int_fdiv_double): reduce first for more precise
result. [ruby-core:78886] [Bug #13078]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57840 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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io.c: ARGF fd leak
* io.c (argf_next_argv): fix leak of fd after breaking in #each
method.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57839 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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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_4@57838 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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parse.y: preserve cmdarg stack
* parse.y (do_body): preserve cmdarg stack around do/end block.
[ruby-core:78837] [Bug #13073]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57837 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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vm_eval.c: Symbol#to_proc and instance_exec
* vm_eval.c (yield_under): should evaluate the proc on the first
argument. [ruby-core:78839] [Bug #13074]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57834 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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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_4@57833 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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http://rubyci.org/logs/rubyci.s3.amazonaws.com/aix71_ppc/ruby-trunk/log/20161223T113301Z.fail.html.gz
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57160 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* test_float.rb: add test cases for Float#round with
half nil. Follow up r57130.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57151 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* time.c (num_exact): show the original argument when conversion
failed, instead of intermediate nil.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57140 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* eval.c (exc_setup_cause): always set cause of cause to get rid
of circular references. [ruby-core:78688] [Bug #13043]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57137 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* compile.c (iseq_compile_each): stop execution of the current source
by toplevel return. [ruby-core:36785] [Feature #4840]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57132 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* numeric.c (rb_num_get_rounding_option): allow nil same as the
default behavior, per [ruby-core:77961]. [Bug #12548]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57130 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* io.c (argf_rewind): rewind line number in non-global ARGF
instance.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57125 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* io.c (argf_block_call_line): update line number in non-global
ARGF instance. [ruby-core:78728] [Bug #13051]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57124 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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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/trunk@57123 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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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/trunk@57121 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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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/trunk@57119 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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http://rubyci.s3.amazonaws.com/unstable10s/ruby-trunk/log/20161215T021909Z.fail.html.gz
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57109 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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