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* siri/sys/get_modules/ERL-367/OTP-14248:
Correct documentation of get_modules message
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Since the Options now are initialized with a correct fun (that does nothing), we can just call it without tests
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Removed daemon-only options from client and client-only options from daemon.
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* maint:
Prepare ERTS vsn for OTP 19.3
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* maint:
zip: Eliminate leak of open file after crash
zip: Don't crash when a zip file has an Unix extra header
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zip: Fix bugs ERL-348 and ERL-349
OTP-14246
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stdlib: Fix mime_decode/1 binary matching performance
OTP-14245
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* lukas/erts/fix_proc_exiting_arity:
erts: Fix proc arity value when exiting
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* lukas/erts/port_control_emasculate_binary/OTP-14231:
erts: Fix emasculation of binaries in port_control
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In many cases sub-binaries costs more memory than converting them to heap-binaries.
Sub-binaries also has a hidden cost of pinning larger binaries in memory.
By converting binaries this cost is reduced.
Byte aligned sub-binaries upto 24 bytes (64-bit) or 12 bytes (32-bit) are converted.
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When a pattern a type do not match, opaque warnings were given
precedence before structure mismatches.
This is no longer always the case.
Mentioned by Nick Marino on erlang-questions.
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An opaque bug that would crash Dialyzer has been fixed.
The bug was reported by Nick Marino.
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* maint:
stdlib: Add maps to term traversal
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* hasse/stdlib/fix_term_traversal:
stdlib: Add maps to term traversal
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Better error descriptions for ASN.1 encoding/decoding failures
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Make sure that zip:extract() and zip:create() closes the zip
file if there is an error.
ERL-349
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There is unfinished code in the zip module to handle the
extra field in the central-directory header for each
file. The code to extract an Unix extra subfield is incorrect
and always causes a bad_unix_extra_field error. A further
flaw in the code is that it expects that there is only
a single subfield.
Correcting the code for extracting extra subfields will not do any
good, because the extracted data is ignored. In fact, not even the
file times extracted from DOS file times are used for some reason.
Therefore, don't correct the unfinished code. Remove it completely.
(If needed, extending zip to use file times and to use the information
in the extra field should be done in a major release, not in a
maintenance release.)
ERL-348
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* maint:
Ensure prim_eval:'receive' wont clobber def_arg_reg[0]
Conflicts:
erts/preloaded/ebin/prim_eval.beam
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OTP-14241
* rickard/prim_eval_receive:
Ensure prim_eval:'receive' wont clobber def_arg_reg[0]
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Symptom: Throughput of base64:mime_decode/1 significantly lower than
base64:decode/1.
Problem: tail_contains_more/2 prevents compiler from delaying creation
of sub binaries.
Solution: Restructure mime_decode_binary/2 to use binary matching best
practices from the Efficiency Guide.
See ERL-366
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* maint:
Documentation: use behaviour(ssh_daemon_channel)
Fix minor typo in compile:forms/1 doc
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Fix minor typo in compile:forms/1 doc
OTP-14240
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* bjorn/compiler/opt-binary-strings/OTP-14125:
v3_core: Combine binary strings to larger integers
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Documentation: use behaviour(ssh_daemon_channel)
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Binary construction that mixes long literal strings with variables
will make Dialyzer slow. Example:
<<"long string (thousand of characters)",T/binary>>
The string literals in binary construction is translated to one binary
segment per character; all those segments will slow down Dialyzer.
We can speed up Dialyzer if we combine several characters (up to 256)
to a signle segment in the binary. It will also slightly speed up the
compiler.
This optimization will make core listings file with binary strings
harder to read, but they were not that easy to read before this
change.
ERL-308
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Not setting it correctly will cause the swapin later
to fail in debug build as REDS_IN will overwrite
the value in reg[5].
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* egil/pretty-print-maps-smaller/OTP-14239:
stdlib: Use erts_internal:maps_to_list/2 in io_lib_pretty
Update preloaded erts_internal.beam
erts: Test erts_internal:maps_to_list/2
erts: Introduce erts_internal:maps_to_list/2
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