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703e8f4490bf broke the scope verification code (by calling
ordsets:is_subset/2 with an unsorted second argument).
While we are it, also optimize the verification function
by avoiding converting the map to a sorted list.
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Do a simpler translation of internal BIFs.
While we are it, also remove the dummy values of Index and Uniq
from the make_fun internal operation.
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Remove the special handling #k_try{} in guards in v3_life. If we
introduce a new #k_protected{} record in v3_kernel, v3_life no longer
needs to know whether it is processing guards or bodies.
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When beam_utils was first written, it did not have the functions
for testing whether a register was not used. Those were added
later, in sort of a hacky way.
Also, is_killed*() and is_not_used*() for Y registers would
return the same answer. Fix that to make the API more consistent
(an Y register can only be killed by a deallocate/1 instruction).
We will need to change beam_trim to call beam_utils:is_not_used/3
instead of beam_utils:is_killed/3.
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During development, a bug in beam_utils caused a compiler failure
in xmerl. If the bug reappears, make sure that we catch it when
compiling the compiler test suite.
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There is no need to list every obscure safe BIF in erl_bifs:is_safe/3.
The purpose of erl_bifs:is_safe/3 is merely to warn when the
return value of one of the safe BIFs is ignored.
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The error would be:
{multiple_match_contexts,[{x,0},2]}
instead of:
{multiple_match_contexts,[{x,0},{y,2}]}
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Since the beam_a pass has always been run and have removed any
unused label, there can never be a label as the very last
instruction in a function.
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eliminate_fallthroughs/2 has special code to handle two labels next to
each other, but that does not seem to ever happen and there was one
line uncovered in is_label/1. Since inserting an extra jump between
two labels would not cause any real problems, remove the extra
handling of two consecutive labels.
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The compiler stopped using sys_pre_expand in ae3e177c514c354831.
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=== OTP-19.1 ===
Changed Applications:
- asn1-4.0.4
- common_test-1.12.3
- compiler-7.0.2
- crypto-3.7.1
- debugger-4.2.1
- dialyzer-3.0.2
- diameter-1.12.1
- edoc-0.8
- erl_docgen-0.6
- erl_interface-3.9.1
- erts-8.1
- eunit-2.3.1
- gs-1.6.2
- hipe-3.15.2
- ic-4.4.2
- inets-6.3.3
- jinterface-1.7.1
- kernel-5.1
- mnesia-4.14.1
- observer-2.2.2
- odbc-2.11.3
- parsetools-2.1.3
- reltool-0.7.2
- runtime_tools-1.10.1
- sasl-3.0.1
- snmp-5.2.4
- ssh-4.3.2
- ssl-8.0.2
- stdlib-3.1
- syntax_tools-2.1
- tools-2.8.6
- wx-1.7.1
- xmerl-1.3.12
Unchanged Applications:
- cosEvent-2.2.1
- cosEventDomain-1.2.1
- cosFileTransfer-1.2.1
- cosNotification-1.2.2
- cosProperty-1.2.1
- cosTime-1.2.2
- cosTransactions-1.3.2
- eldap-1.2.2
- et-1.6
- megaco-3.18.1
- orber-3.8.2
- os_mon-2.4.1
- otp_mibs-1.1.1
- percept-0.9
- public_key-1.2
- typer-0.9.11
Conflicts:
OTP_VERSION
lib/gs/doc/src/notes.xml
lib/gs/vsn.mk
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* raimo/diffserv-socket-option/OTP-13582:
Tune 'tclass' semantics
Implement IPV6_TCLASS
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* maint:
erts: Add nif_SUITE:t_on_load
erts: Improve nif_SUITE:upgrade test
Don't leak old code when loading a modules with an on_load function
Conflicts:
erts/preloaded/ebin/erts_code_purger.beam
erts/preloaded/ebin/erts_internal.beam
erts/preloaded/src/erts_code_purger.erl
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* bjorn/erts/on_load/ERL-240/OTP-13893:
erts: Add nif_SUITE:t_on_load
erts: Improve nif_SUITE:upgrade test
Don't leak old code when loading a modules with an on_load function
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* maint:
Ensure asserts are enabled in eunit.hrl
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* richarl/eunit/fix-asserts/PR-1168/OTP-13892:
Ensure asserts are enabled in eunit.hrl
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* peppe/kernel/invalid_priv_dir/ERL-195/OTP-13758:
Fix incorrect priv_dir when adding app's ebin directory to path
OTP-13758
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OTP-13841
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Normally, calling code:delete/1 before re-loading the code for a
module is unnecessary but causes no problem.
But there will be be problems if the new code has an on_load function.
Code with an on_load function will always be loaded as old code
to allowed it to be easily purged if the on_load function would fail.
If the on_load function succeeds, the old and current code will be
swapped.
So in the scenario where code:delete/1 has been called explicitly,
there is old code but no current code. Loading code with an
on_load function will cause the reference to the old code to be
overwritten. That will at best cause a memory leak, and at worst
an emulator crash (especially if NIFs are involved).
To avoid that situation, we will put the code with the on_load
function in a special, third slot in Module.
ERL-240
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When asserts were moved out to a separate header file, the automatic
enabling of asserts when testing is enabled stopped working.
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* maint:
beam_validator: Handle unreachable instructions
Turn off parallel make for start scripts Makefile
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* bjorn/compiler/beam_validator/OTP-13863:
beam_validator: Handle unreachable instructions
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* ingela/ssl/packet-tests:
ssl: Add timetrap scale calls
ssl: Add nodelay to packet=0|raw tests
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ab03678e introduced an optimization in the beam_z pass that could
introduce unreachable code in BEAM files (a 'jump' instruction is
removed after a 'raise' instruction, but the code following the
target of the 'jump' is not removed).
Since this situation happens very rarely, there is no point in adding
another pass that can remove unreachable code after beam_z. Instead we
will make sure that beam_validator can skip the unreachable code.
Skipping unreachable code is already done in valfun_1/2 (for
historical reasons), but we will also need to do it in val_dsetel/2.
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* maint:
parsetools: Suppress Dialyzer-warnings
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* hasse/parsetools/suppress_dialyzer_warnings/OTP-13681:
parsetools: Suppress Dialyzer-warnings
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* anders/diameter/19.1/OTP-13838:
vsn -> 1.12.1
Update appup for 19.1
Fix xmllint errors in documentation
Remove documentation overkill
Don't run traffic tests in parallel when {string_decode, true}
Remove copyright from generated dictionary modules
Fix dictionary function typo
Fix dictionary typo in relay example
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* anders/diameter/failover/OTP-13412:
Make peer failover more efficient
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* anders/diameter/min_heap_size/OTP-13796:
Let unfortunate min_heap_size setting be disabled
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* anders/diameter/19/listen/OTP-13787:
Close listening sockets at service death
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* ferd/bypass-pem-cache/PR-1143/OTP-13883:
ssl: Add documentation of bypass_pem_cache application environment configuration
ssl: Add new benchmarks to skip file for normal testing
Adding PEM cache bypass benchmark entries
Fixing CRL searching in cache bypass
Add option to bypass SSL PEM cache
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* ingela/snmp/ipv6-tests:
snmp: Use ipv6 common test configuration check
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The test for ipv6 could return false positives which resulted in failing
test cases due lack of full ipv6 support.It could be nice with a working
run-time check but this will do for now.
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