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Consider the following functions:
foo() -> bar(not_a_map).
bar(M) when not is_map_key(a, M) -> ok;
bar(_) -> error.
What will `foo/0` return? It depends. If the module is compiled
with the default compiler options, the return value will be
`ok`. If the module is compiled with the `inline` option,
the return value will be `error`.
The correct value is `error`, because the call to `is_map_key/2`
when the second argument is not a map should fail the entire
guard. That is the way other failing guards BIFs are handled.
For example:
foo() -> bar(not_a_tuple).
bar(T) when not element(1, T) -> ok;
bar(_) -> error.
`foo/0` always returns `error` (whether the code is inlined
or not).
This bug can be fixed by changing the classification of `is_map_key/2`
in the `erl_internal` module. It is now classified as a type test,
which is incorrect because type tests should not fail. Reclassifying
it as a plain guard BIF corrects the bug.
This correction also fixes the internal consistency check
failure which was reported in:
https://bugs.erlang.org/browse/ERL-699
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* lukas/clean_doc_xmldir/OTP-15190:
docs: make clean all XMLDIR
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* siri/logger/post-21/OTP-15132:
[logger] Allow setting kernel parameter 'logger_level' to 'all'
[kernel] Reduce risk of dead lock when terminating logger_sup
[logger] Fix regexp replacement for unicode strings
Update proc_lib:report_cb to obey logger formatter's size limiting params
[logger] Allow report callback with two arguments returning a string
Don't call report_cb from cth_log_redirect - formatter does that
Add legacy test of sasl_report_file_h and size limiting
[logger] Remove compiler warnings in test
[logger] Fix problem with test cases waiting for handler restart
[logger] Add ?LOG macro which takes Level as argument
[logger] Improve spec for set_handler_config/3 and set_primary_config/2
[logger] Generate .png file from .dia
[logger] Update documentation
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* maint-21:
Updated OTP version
Update release notes
Update version numbers
Eliminate a crash in the beam_jump pass
stdlib: Fix a 'chars_limit' bug
Fix a race condition when generating async operation ids
Fix internal compiler error for map_get/2
beam_type: Fix unsafe optimization
public_key: Remove moduli 5121 and 7167 Thoose were added by 598629aeba9de98e8cdf5637043eb34e5d407751 but are not universaly supported.
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Fix typo in erl_parse type unary_op()
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Use erlang:system_info(ets_count) and improve docs
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With DEBUG=true in erl_anno, erl_parse, and erl_pp a few (harmless)
non-opaque accesses of annotations were found.
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* raimo/stdlib/gen_statem-dev/OTP-14015:
Show state changes in sys:trace
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* peterdmv/stdlib/fix_uri_string_normalize/ERL-636/OTP-15112:
stdlib: Fix release_tests target in Makefile
stdlib: Fix normalization function in uri_string
Change-Id: I656a583befd8950d4326d15e60145c617acd41c3
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'make release_tests' copies the property_test directory.
Change-Id: Ife75711aec1ef6e85ef091b1ba28a221be3d1110
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* jl/sharpen-maps-tests/OTP-14012:
stdlib: Fix error reason for maps:with/without
Check for the overlap between maps and iterators
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- Fix parsing of hostnames that start with a number.
- Update uri_string:parse/1 to be only responsible for parsing
input URIs into URI components. Implicit percent-encoding
normalization has been removed.
- Implement percent-encoding normalization.
- Update uri_string:normalize/{1,2} to include percent-encoding
normalization.
- Update test suites according to the new semantics.
- Add new property test: normalize
Change-Id: I6f37dcae2b3fcb4b29d286dbb0dfc563e8f211ae
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* hasse/stdlib/pP_with_no_line_breaks/OTP-15103/ERL-607:
kernel: Use ~0p
debugger: Use ~0p
common_test: Use ~0p
stdlib: Make pP insert no line breaks with field width zero
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Module and Id are now always included as fields in Config, so these
are no longer returned as separate elements.
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And add field 'module' in handler config.
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See also https://bugs.erlang.org/browse/ERL-634.
The utility program `erl_call' in erl_interface used to call
lib:eval_str/1, which is no longer present in Erlang/OTP 21.0.
The lib module was eliminated in OTP-15072, see also
https://github.com/erlang/otp/pull/1786.
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See also https://bugs.erlang.org/browse/ERL-607.
A zero field width used to insert line breaks "everywhere", but with
this patch no line breaks are inserted.
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* dgud/stdlib/string-case-bin-bug:
Fix *case bugs for binaries
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Missing space in gen_event doc
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* sverker/ets-count/OTP-14987:
erts,stdlib: Improve docs about obsolete ets_limit
erts: Reduce test log noise from ets_SUITE
erts: Increase scalability of ets name lookup
erts: Rename one of delete_trap to select_delete_trap
erts: Refactor usage of am_atom_put to ERTS_MAKE_AM
erts: Add system_info(ets_count)
erts: Fix narrow race between ets:new and ets:delete
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* hasse/dialyzer/improve_contract_warnings/OTP-14982:
erts: Improve contracts of zlib
kernel: Improve contracts
erts: Improve a contract
stdlib: Improve a contract
compiler: Improve a contract
dialyzer: Refine the test for overspecified functions
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Bad optimizing code introduced in 5c51e87bee9d
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* lukas/stdlib/fix-io_o_request_raise/OTP-15101:
stdlib: Fix io:put_chars/2 error
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Missing space
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Before this fix an error in io:put_chars/2 would signal
a fault in io:put_chars/3 because of the way that raise is
used and there is no such function.
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This reverts commit fd8e49b5bddceaae803670121b603b5eee8c5c08.
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