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Because the code generator (v3_codegen) would not include the
same value more than once in a select_val/3 instruction and
because a label can only be referenced by one select_val/3
instruction, there is no way that the correct value could already
be in the gb_tree. (Even if it could happen, this change is
safe because only opportunity for an optimization would be missed;
incorrect code would not be generated.)
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Since the optimizations in forward/4 already depends on some
assumptions on how code is generated anyway, document the
assumptions in a comment and remove the uncoverable code.
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Since the introduction of improved record optimizations in
1858cb81391d2bce29b4b7620574ca60128cebf7 and
470c91d43eae54f63661645acbce4b92d73287cc, the optimization of
a is_record/3 call with a known correct type in
beam_type:simplify_basic_1/3 has not been covered.
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In 3d0f4a3085f11389e5b22d10f96f0cbf08c9337f (an update to conform
with common_test), in all test_lib:recompile(?MODULE) calls, ?MODULE
was changed to the actual name of the module. That would cause
test_lib:recompile/1 to compile the module with the incorrect
compiler options in cloned modules such as record_no_opt_SUITE,
causing worse coverage.
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* siri/sasl/rb-help-error/OTP-9166:
rb help error
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* at/os_mon_dragonfly_support:
Add support for DragonFlyBSD to memsup
OTP-9217
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* at/os_mon_netbsd_support:
Add NetBSD support to memsup and disksup
OTP-9216
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* mk/net-kernel-epmd-return-list:
Fix list returned by net_kernel:epmd_module
OTP-9215
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* ts/cover-with-export_all:
add user specified compiler options on form reloading
OTP-9204
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into dev
* ia/stdlib/supervisor-saves-temporary-child-specs/OTP-9167:
Completed bug fix "temporary child specs should not be kept when child terminates" and improved test suite
Fix issue with temporary children introduced by OTP-9064
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* ks/hipe-ppc64:
Enable HiPE by default when compiling for PPC64
Translate RTL to PPC code on PPC64 too
Changes in ppc files for PPC64
Additions for the PPC64 backend
Changes for the PPC64 backend
Added loader for ppc64
New files for the 64-bit backends
Cleanup tags
OTP-9198
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* mm/xmerl_doc_fixes:
Fix minor typos and improve punctuation in the xmerl_xpath @doc comment
OTP-9187
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* bd/doc_fixes2:
Fix mistake in blowfish_ebc_en/decrypt docs
Compile fixes for earlier documentation fixes
Various small documentation fixes
OTP-9172
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terminates" and improved test suite
The bug fix supplied by Filipe David Manana <[email protected]>
did not cover all possible ways that a process may be terminated
as for instance with supervisor:terminate_child. Also there
was a bug in the base case of the patch returning a list of a list instead
of only the list.
Added a timeout for the test cases, eliminated unnecessary sleeps,
improved code.
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The temporary child specs are never removed from the supervisor's state, and
have they're MFA component set to {M, F, undefined} instead of the MFA passed
in the supervisor:start_child/2 call. Subsequent calls to supervisor:restart_child/2
may crash. Stack trace example:
{badarg,[{erlang,apply,[gen_server,start_link,undefined]},
{supervisor,do_start_child,2},{supervisor,handle_call,3},
{gen_server,handle_msg,5},
{proc_lib,init_p_do_apply,3}]}
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The r11 option is no longer supported by the compiler (silently
ignored).
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* sverker/hipe-binmatch-heap-corrupt:
Fix hipe bug in convert_matchstate, bignum-padding one word too long
OTP-9182
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* sb/make-files-like-erlc:
Change make:files to behave more like erlc
OTP-9179
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Fixed a couple of compilation errors. Also backed out a tiny change
that had already been added by Tuncer Ayaz in his binary-part-typo
branch.
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This change fixes a bunch of small (and a few less small) typos and
other errors in various modules that I've spotted throughout my travels.
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In a file containing declarations and comments without any empty lines
between them, the recomment_forms() function would associate a
multi-line comment with the declaration above it rather than the one
following it. (Thanks to Richard Carlsson.)
This bug has been reported several times. It was corrected by Kostis
Sagonas, but the fix didn't make into the R14B02 release.
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DragonFly was partially supported by os_mon already but when trying to
start the os_mon application it'd crash with an error about an unknown
operating system in memsup. This patch changes memsup to use the FreeBSD
sysctl method to get memory information when on DragonFly.
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* siri/sasl/no-default-module-test/OTP-9146:
Change default behaviour to not check src code when creating release
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* mc/disjoint-plt-msg:
Fix the name of an error function
OTP-9175
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* ta/typer-add-pa-pz:
Add options -pa Dir and -pz Dir to TypEr
OTP-9173
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* hw/call-chmod-without-f:
Call chmod without the "-f" flag
Conflicts:
erts/emulator/test/Makefile
lib/asn1/test/Makefile
lib/crypto/test/Makefile
lib/debugger/test/Makefile
lib/docbuilder/test/Makefile
lib/edoc/test/Makefile
lib/erl_interface/test/Makefile
lib/inviso/test/Makefile
lib/parsetools/test/Makefile
lib/percept/test/Makefile
lib/ssl/test/Makefile
lib/syntax_tools/test/Makefile
lib/test_server/test/Makefile
lib/tools/test/Makefile
OTP-9170
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Add new option <c>src_tests</c> to systools:make_script and
systools:make_tar. The old option <c>no_module_tests</c> is now
ignored as this is the default behaviour.
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* bjorn/compiler/beam_dict-cleanups:
beam_dict: Eliminate the redundant next_atom record element
beam_dict: Fix typo in comment
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* rc/rpc_pmap-typo:
Fix typo in doc of rpc:pmap/3
OTP-9168
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Start and end date for rb:filter/2 was specified as {{Y-M-D},...} in
the help text instead of {{Y,M,D},...}. This has been corrected.
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* tv/edoc-loop-fix:
Fix infinite loop for malformed edoc input
OTP-9165
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It is not needed because it can be trivially calculated using
gb_trees:size/1.
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* bjorn/compiler/eliminate-warning/OTP-9152:
sys_core_fold: Eliminate incorrect warning
sys_core_fold: Be careful to preserve annotations while optimizing
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* siri/stdlib/log_mf_h-write-index-atomically/OTP-9148:
Update index file atomically
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* pan/tcp_send_timeout/OTP-9145:
Add testcase
Teach tcp_recv not to cancel send timer
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* pan/win_init_restart_oldshell/OTP-9139:
Add testcase
Teach win32/sys.c (fd-driver) not to leak readers causing init:restart to fail
Make Erlang build with Latest MS SDK, 7.1 (and VStudio 2010)
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Reported-By: Pablo Platt
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* bw/tv-render-fix:
tv: Allow table viewer to display refs, ports and small binaries
OTP-9153
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The compiler (sys_core_fold) tries to avoid constructing tuples
in case expressions. The following code:
c(A, B) ->
case {A,B} of
{ok,X} -> X;
{_,_} -> error
end.
will be rewritten so that no tuple is built. If a clause
requires a tuple to be built as in this code:
c(A, B) ->
case {A,B} of
{ok,X} -> X;
V -> V %The tuple will be built here
end.
the tuple will be built in the clause(s) in which it is needed.
If the value returned from the case is not used as in this code:
c(A, B) ->
case {A,B} of
V -> V %Warning: a term is constructed, but never used
end,
ok.
there will be an incorrect warning. Basically, what happens is
that the code is reduced to:
c(A, B) ->
{A,B}, %Warning: a term is constructed, but never used
ok.
and the optimizer sees that the {A,B} tuple can't possibly be used.
Eliminate the warning by adding a 'compiler_generated' annotation
to the tuple.
Reported-by: Kostis Sagonas
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