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into maint-22
* john/erts/fix-bad-get_tuple_element-opt/OTP-15871/ERIERL-374:
erts: Fix bad loader optimization of get_tuple_element
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* ingela/ssl/dtls-multiplxor/ERL-962/OTP-15864:
ssl: Add missing gen_server return value in DTLS packet demux process
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* ingela/ssl/ret-ext/ERL-951/OTP-15862:
ssl: Fix broken return value
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* hasse/dialyzer/fix_string_split/OTP-15861/ERL-953:
dialyzer: Correct indentation of field warnings
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* ingela/ssl/22/alert-strings/OTP-15844:
ssl: Returned "alert error string" should be same as logged alert string
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Unset internal_active_n when cleaning FT environment.
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* maint:
stdlib: Fix a bug concerning io_lib option 'chars_limit'
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* hasse/stdlib/chars_limit_bug/OTP-15875/ERL-967:
stdlib: Fix a bug concerning io_lib option 'chars_limit'
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Fix SSL cb_info missing underscore in default
OTP-15887
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meet/2 and join/2 were not entirely consistent with each other,
and it was possible to meet integers that didn't overlap,
producing a nonsense result.
None of these can cause issues in the OTP 22 track as far as we can
tell, so a patch doesn't feel necessary at this time.
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The use of meet/2 was incorrect as we weren't guaranteed to provide
a more specific type. This is unlikely to cause errors in OTP 22 as
our ranges were *always* '0 .. X' or 'X .. X', and a meet/2 of two
integers would take the least specific minimum value and most
specific maximum value, making things work by accident.
This is covered by beam_type_SUITE:integers/1, and was made
visible when beam_types:meet/2 was fixed to reject integers that
didn't overlap fully.
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We didn't gain anything by tracking literals exactly, and it
greatly complicates sharing types between passes.
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There's no need to have an id as part of the type, as the value
reference (through which the type is reached) uniquely identifies
the match context.
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This simplifies a later migration to a unified type format, as the
literal representation may differ between passes, so passing
container types keyed by literals will fail.
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The message signaling that the spinning processes had stopped was
previously sent too early.
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This commit only affects the implementation of ETS `ordered_set`
tables with the `write_concurrency` option enabled. Such tables are
implemented with a data structure that is called the contention
adapting search tree (CA tree). This commit introduces the following
changes:
* This commit causes a join to be triggered in one randomly selected
base node in about one of 1000 read unlock calls for base node
locks. No such joins happened before this commit. Before this
commit, operations that only acquired looks in read-mode never
triggered any contention adaptation. Therefore, the CA tree could
get stuck in a sub-optimal state in certain scenarios. This could
happen, for example, when a CA tree is first populated with parallel
inserts (which will cause splits of base nodes) and then only
read-only operations are applied to the data structure. Benchmark
results from the
`ets_SUITE:lookup_catree_par_vs_seq_init_benchmark/0` benchmark
function (which is included in this commit) shows that this change
can improve the throughput of the CA tree in the scenario described
above.
* Read-only operations will now also increase values of statistics
counters when they detect that they need to wait for other
operations. Only write operation changed statistics counters before
this commit. This improves the statistics that the adaptation
heuristics is based on.
* Additionally, this commit adds an upper and lower limit to the
contention statistics variables in the base nodes. Such limits did
not exist before this commit. This should, for example, make the CA
tree more responsive to contention after long periods of low
contention.
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* maint:
Remove duplication of SSH encoding macros
Remove duplicate ssh_userauth.hrl
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* hans/ssh/internal_cleaning/PR-2255/PR-2256/OTP-15876:
Remove duplication of SSH encoding macros
Remove duplicate ssh_userauth.hrl
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* maint:
ssl: Update standards compliance
ssl: Fix alert handling (TLS 1.3)
ssl: Add tests for ALPN in TLS 1.3
ssl: Implement ALPN in TLS 1.3
ssl: Add TLS 1.3 test group to ssl_certificate_verify_SUITE
ssl: Fix negative tests in ssl_basic_SUITE
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Implement ALPN in TLS 1.3
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See also https://bugs.erlang.org/browse/ERL-967.
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* ingela/public_key/PEBS2-AES/ERL-952/OTP-15870:
public_key: Add AES to PBE2
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* maint:
erts: Fix bad loader optimization of get_tuple_element
beam_ssa_type: Fix incorrect bitstring unit determination
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into maint
* john/erts/fix-bad-get_tuple_element-opt/OTP-15871/ERIERL-374:
erts: Fix bad loader optimization of get_tuple_element
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* john/compiler/fix-bad-bitstring-type-opt/OTP-15872:
beam_ssa_type: Fix incorrect bitstring unit determination
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OTP-15874
PR-2266
* sverker/erts/hipe-arm-freebsd-clear-cache/ERL-958:
erts: Fix hipe_flush_icache_range for FreeBSD on ARM
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Avoid old Linux specific syscall assembler if we can.
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'sverker/erts/process-info-reductions-idle-proc/ERL-964/OTP-15865' into maint
* sverker/erts/process-info-reductions-idle-proc/ERL-964/OTP-15865:
erts: Improve test of process_info(reductions)
Revert "erts: Force process_info(reductions) as signal"
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to provoke case when the main lock is released during execution.
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* sverker/erts/break-p-segv/ERL-965/OTP-15873:
erts: Fix SEGV crash on shell break (p)roc info
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The following sequence would be wrongly optimized into a
i_get_tuple_element2 instruction, reading an element from the
wrong tuple:
{get_tuple_element,{x,0},1,{x,0}}.
{get_tuple_element,{x,0},2,{x,1}}.
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The compiler would treat the "Unit" of bs_init instructions as
the unit of the result instead of the required unit of the input,
causing is_binary checks to be wrongly optimized away.
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'siri/ct/hook-terminated-not-initiated/maint-21/ERIERL-370/OTP-15863' into maint
* siri/ct/hook-terminated-not-initiated/maint-21/ERIERL-370/OTP-15863:
[ct] Fix bug where Hook:terminate/1 was called before Hook:init/2
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into maint
* siri/ct/hook-terminated-not-initiated/ERIERL-370/OTP-15863:
[ct] Fix bug where Hook:terminate/1 was called before Hook:init/2
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