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Map variable was not covered and faulty optimization could occur.
Ex.
t() ->
M0 = id(#{ "a" => 1 }),
#{ "a" := _ } = M0,
M0#{ "a" := b }.
M0 was lost in let expression optimization.
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This fixes an error on multiple updates optimization for map pairs.
The error was introduced with moving to term order in Maps.
This also fixes an error where register life time was lost for values
and could result in erroneuos values being emitted in for map pairs.
Simplified v3_codegen by moving multiple update optimizations to v3_kernel.
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Faulty test for maps update
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* nox/tools/cover-record-update:
Properly munge record updates in cover
Don't munge record and field names in cover
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* nox/eep37/OTP-11537:
Support named funs in erl_prettypr
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* vladdu/debugger/fixes:
remove warning for variable exported from case
remove useless match
remove unused parameter
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* hsv/using_lists_droplast:
lib/mnesia/test/ - Replace reverse(tl(reverse(L))) with lists:droplast/1
lib/ssh - Replace reverse(tl(reverse(L))) with lists:droplast/1
lib/wx - Replace reverse(tl(reverse(L))) with lists:droplast/1
Use lists:droplast/1 in orber/orber_interceptors.erl
Import and use lists:droplast/1 in v3_core/v3_kernel
OTP-11678
OTP-11677
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* hsv/add_droplast_to_lists:
Added documentation of lists:droplast/1
Added tests for lists:droplast/1 to stdlib/lists_SUITE
stdlib/lists: Add function droplast/1 This functions drops the last element of a non-empty list.
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* egil/erts/fix-maps-beam_load:
compiler: Update map_SUITE with error case test
erts: Maps must fail on exact updates of empty Maps
erts: Fix Maps for beam_load
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M#{ key := V } should fail when M is not a Map
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* kostis/dialyzer-r17c0-fixes:
Shut off a dialyzer unmatched return warning
Add a spec for a function that does not return
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* ia/ssl/unicode-adapt:
ssl: Unicode adaptions
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* hb/doc/release_name:
Make the references to various Erlang/OTP releases verbose
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If cdv window is closed when progressbar was still running error
reports came to error logger (i.e. mostly test problem on slow machines)
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Move dilayzer types from include file to erl file and use
-export_type
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* nox/debugger/maps-support/OTP-11673:
debugger: Fix release_tests
Support maps in the debugger
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* bjorn/compiler/applying-binary-crash/OTP-11672:
beam_bsm: Eliminate emulator crash when a binary is called
beam_validator: Validate the "fun" argument for a call_fun/1 instruction
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* bjorn/compiler/optimizations/OTP-11584:
sys_core_fold: Prevent case expressions from being evaluated twice
sys_core_fold_SUITE: For cleanliness, move id/1 to the end
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We must not do the delayed binary creation optimization if the
code attempts to call the matched out binary. Calling a matchstate
will crash the run-time system.
Reported-by: Loïc Hoguin
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The fun argument for a call_fun/1 instruction was not validated.
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* peppe/common_test/ts_mods:
Add more Common Test start arguments to the ts run interface
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* bjorn/eep37/OTP-11537:
Issue a warning when a named fun is constructed but not used
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Nice crash instead of segv or worse.
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Dialyzer will warn if the value of list comprehension is
ignored by putting it in a sequence like this:
[SomeSideEffect(E) || E <- Es],
ok
To avoid a warning, you'll have to write:
_ = [SomeSideEffect(E) || E <- Es],
ok
Most of the time, this warning is merely annoying because it does
not point out any real errors.
Kostis Sagonas suggested that by suppressing the warning for
list comprehension that return a list of a simple type (e.g. ['ok']),
there would be no warning for code such as:
[io:format("~p\n", [E]) || E <- Es],
ok
but there would be still be a warning for:
[file:close(Fd) || Fd <- Fds],
ok
because an error condition is ignored.
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The old command failed with unresolved symbol __guard_local
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Records were not properly expanded in keys in patterns and in arguments in
map updates.
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* nox/syntax_tools/maps-support/OTP-11663:
Support maps in erl_prettypr
Complete support of maps in erl_syntax
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In e12b7d5331c58b41db06cadfa4af75b78b62a2b1, a bug was introduced
that would cause case expressions to be evaluated more than once
if there were aliases in the pattern. Example:
X = Y = io:put_chars("some chars"),
{X,Y}
That would be rewritten to code similar to (but in Core Erlang):
X = io:put_chars("some chars"),
X = io:put_chars("some chars"),
{X,Y}
Make sure that we only evalute the expression once by doing a
transformation similar to (but in Core Erlang):
NewVar = io:put_chars("some chars"),
X = NewVar,
Y = NewVar,
{X,Y}
Reported-by: José Valim
Reported-by: Anthony Ramine
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Do not saw the branch you are sitting on...
Spawn cdv so that cdv get its own wx environment.
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A test is commented-out in map_SUITE:t_update_exact/1, waiting for a fixed
maps:update/3 function with correct integer/float semantics.
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As all the options to the pretty printer are 2-tuples, lists:keyfind/3 is
faster replacement for proplists:get_value/3.
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Heap binaries crashed, rework it and add links always.
So the user can the binary in hex or whatever view he wants
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