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* fenollp/treewide_remove_unexpected_0xff/OTP-11323:
Remove ^L characters hidden randomly in the code. Not those used in text files as delimiters.
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* nox/lift-after/OTP-11267:
Lift 'after' blocks to zeroary functions
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The R16B02 release
Conflicts:
lib/sasl/vsn.mk
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files as delimiters.
While working on a tool that processes Erlang code and testing it against this repo,
I found out about those little sneaky 0xff. I thought it may be of help to other
people build such tools to remove non-conforming-to-standard characters.
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* maint:
core_lint: Correct the type error() to conform to the code
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Commit 60984ade updated the code, but not the type spec.
Noticed-by: Kostis Sagonas
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* bjorn/xml-encoding-fix/OTP-11310:
Change encoding of troublesome notes.xml files to utf-8
Convert some notes.xml files from latin-1 to utf-8
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* maint:
compiler: Conform returned errors to the documented format
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Most notes.xml files will be updated in every release and cause
the kind of the problems described in the previous commit.
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ErrorInfo is documented to be:
{ErrorLine,Module,ErrorDescriptor}
but for some errors with line numbers it would look like:
{Module,ErrorDescriptor}
Ensure that all ErrorInfo tuples have three elements. Use 'none'
instead of a line number:
{none,Module,ErrorDescriptor}
There already are errors that return 'none' when no line number is
available, but that convention was not documented. Mention it in the
documentation.
Also make sure that the compiler will not print 'none' as a line
number in error messages (if the 'report_errors' option is given) as
that looks stupid. That is, when attempting to compile a non-existing
module, the error message should be:
non-existing.erl: no such file or directory
and not:
non-existing.erl:none: no such file or directory
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* maint: (26 commits)
genop.tab: Add documentation for many BEAM instructions
asn1ct_constucted_per: Directly call asn1ct_gen_per
Clean up handling of .asn1db files
PER, UPER: Fix encoding/decoding of open types greater than 16K
PER, UPER: Optimize table constraints
PER, UPER: Optimize encoding using an intermediate format
Refactor decoding of components of SEQUENCE OF / SET OF
PER,UPER: Get rid of unused 'telltype' argument in decoding functions
Optimize the generated encode/2 function
UPER: Optimize complete/1
Clean up checking of objects
Improve tests of deep table constraints
BER: Handle multiple optional SEQUENCE fields with table constraints
Test OPTIONAL and DEFAULT for open types
PER/UPER: Fix encoding of an object set with multiple inlined constructs
Remove broken support for multiple UNIQUE
Extend the test for parameterized information objects
asn1_SUITE: Remove off-topic (and slow) smp/1 test case
SeqOf: Add more tricky SEQUENCE OF tests
Clean up handling of extension addition groups
...
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By Erik Stenman (happi) with corrections by me.
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* nox/match-context-return/OTP-11247:
Added primary bootstrap
Forbid returning a match context in beam_validator
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* maint:
Fix compiler crash for 'B and B' guard
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If a match context is returned from a function without being converted
back to a plain old binary, the whole VM will crash.
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Conflicts:
bootstrap/lib/compiler/ebin/v3_core.beam
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* nox/fix-comp-warnings/OTP-11212:
Bootstrap
Silence a misleading warning with some comprehensions
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Conflicts:
bootstrap/lib/compiler/ebin/cerl_inline.beam
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* nox/fix-fname-inlining/OTP-11211:
Added primary bootstrap
Restrict inlining of local fun references
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If 'after' blocks are not lifted, the ids of functions in their bodies
must be killed and it can make stacktraces more confusing than they
should. We lift them to zeroary functions to avoid unnecessary killings
and duplication of code.
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* jw/fix-float-middle-endian/OTP-11201:
Fix binary construction on floating point middle-endian machines
Fix binary matching on floating point middle-endian machines
Fix erlang:phash2() on floating point middle-endian machines
Fix external term format BIFs on floating point middle-endian machines
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Local fun references look like plain old variables in the Core Erlang
AST but should not be treated as such. Inlining of such expressions is
now restricted to application contexts as a local fun reference should
never occur in a guard.
This is not perfect as it forbids inlining in some safe situations, but
that is still better than a compiler crash.
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* nox/illegal-bitstring-gen-pattern/OTP-11186:
Bootstrap added
Simplify v3_core's translation of bit string generators
Forbid unsized fields in patterns of binary generators
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The R16B01 release
Conflicts:
lib/sasl/vsn.mk
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This complements 933e701 (OTP-10209). Without this patch the test cases
"in_guard/1" and "coerce_to_float/1" in bs_construct_SUITE fail.
The added lines in bs_construct_SUITE cover all branches that were not
covered before (small and big numbers if BIT_OFFSET(erts_bin_offset) != 0).
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When compiling comprehensions with generators which are foldable to
'true', a misleading warning is emitted by sys_core_fold because a
clause resulting from the compilation of the comprehension to Core
Erlang is not marked as generated by the compiler.
An example of such a comprehension is [ true || true ].
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Now that unsized binary segments are forbidden in patterns of bit string
generators, v3_core:append_tail_segment/2 does not need to check for an
existing unsized tail segment and can thus be changed to a simple '++'/2
call.
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It makes no sense to be able to do `<<...,Rest/binary>> <= ...` in a
comprehension. The related Dialyzer test is removed.
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* maint:
compiler: Correct liveness optimization for wait/1
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* bjorn/compiler/fix-compiler-crash/OTP-11119:
compiler: Correct liveness optimization for wait/1
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The live optimization in beam_utils:live_opt/4 did not take into
account that the wait/1 instruction *never* falls through to
the next instruction (it has the same effect on the control flow
as the jump/1 instruction).
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Conflicts:
bootstrap/lib/stdlib/ebin/beam_lib.beam
lib/public_key/test/erl_make_certs.erl
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The clause was formerly commented-out because at this point in the code,
no bs_put_string instruction has been generated yet when compiling from
Erlang.
If an Erlang module is compiled to BEAM assembly and the result contains
a bs_put_string instruction, the output can't be compiled to binary
anymore and the compiler crashes with the following error:
$ erlc prs.S
Function: compress/1
prs.S:none: internal error in beam_block;
crash reason: {{case_clause,
{'EXIT',
{function_clause,
[{beam_utils,live_opt,
[[{bs_put_string,1,{string,[0]}},
{bs_init,
{f,0},
{bs_append,0,8,{field_flags,[]}},
0,
[{integer,8},{x,0}],
{x,1}},
{label,2}],
2,
{1,{1,1,nil,nil}},
[{block,
[{'%live',2},
{set,[{x,0}],[{x,1}],move},
{'%live',1}]},
return]],
[{file,"beam_utils.erl"},{line,639}]},
{beam_utils,live_opt,1,
[{file,"beam_utils.erl"},{line,205}]},
{beam_block,function,2,
[{file,"beam_block.erl"},{line,38}]},
{lists,mapfoldl,3,
[{file,"lists.erl"},{line,1329}]},
{beam_block,module,2,
[{file,"beam_block.erl"},{line,29}]},
{compile,'-select_passes/2-anonymous-2-',2,
[{file,"compile.erl"},{line,476}]},
{compile,'-internal_comp/4-anonymous-1-',2,
[{file,"compile.erl"},{line,276}]},
{compile,fold_comp,3,
[{file,"compile.erl"},{line,294}]}]}}},
[{compile,'-select_passes/2-anonymous-2-',2,
[{file,"compile.erl"},{line,476}]},
{compile,'-internal_comp/4-anonymous-1-',2,
[{file,"compile.erl"},{line,276}]},
{compile,fold_comp,3,[{file,"compile.erl"},{line,294}]},
{compile,internal_comp,4,[{file,"compile.erl"},{line,278}]},
{compile,'-do_compile/2-anonymous-0-',2,
[{file,"compile.erl"},{line,152}]}]}
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Since both the STDLIB and compiler applications turn warnings
into errors, we must stop using the old deprecated crypto functions.
While we are at it, generalize the format of the key tuple returned
by beam_lib:make_crypto_key/2 to facilitate introducing new crypto
methods in the future. Change the format to:
{Type,Key,IV,BlockSize}
where Type, Key, and IV are the first three arguments for either
crypto:block_encrypt4/ or crypto:block_decrypt/4, and BlockSize
is the block size for the crypto algorithm (it is needed to properly
pad the plaintext blocks before encryption).
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* hb/unicode/OTP-10907:
otp_SUITE: Add test cases to ensure that OTP conventions are obeyed
Convert XML files to UTF-8
Convert XML files to UTF-8, where needed
Remove the "coding: utf-8" comment from all Erlang source files
Update primary bootstrap
Change the default encoding of Erlang files to UTF-8
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* nox/move-let-into-seq/OTP-11056:
Move let expressions into sequences
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In some circumstances, as when inlining code, when some optimization
passes are disabled or with hand-written but semantically correct Core
Erlang or BEAM assembly, a fresh reference may be live in more than one
register:
...
{allocate_zero,2,2}.
...
{call_ext,0,{extfunc,erlang,make_ref,0}}. % Ref in [x0]
...
{move,{x,0},{y,0}}. % Ref in [x0,y0]
{move,{y,1},{x,0}}. % Ref in [y0]
...
{move,{y,0},{x,0}}. % Ref in [x0,y0]
{move,{x,0},{y,1}}. % Ref in [x0,y0,y1]
{label,5}.
{loop_rec,{f,6},{x,0}}. % Ref in [y0,y1]
...
{loop_rec_end,{f,5}}.
{label,6}.
{wait,{f,5}}.
...
Pass beam_receive expects a single live register for the ref when it
encounters the loop_rec instruction and crashes with the following
reason:
$ erlc t.S
...
crash reason: {{case_clause,
{'EXIT',
{{case_clause,[{y,1},{y,0}]},
[{beam_receive,opt_recv,5,
[{file,"beam_receive.erl"},{line,154}]},
...]}}},
...}
This commit teaches beam_receive how to use a set of registers instead
of a single one when tracking fresh references, thus avoiding the crash.
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