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The current code for the evaluation of ordinary funs is dependent
on the order on variables in the fun environment as returned by
erlang:fun_info(Fun, env). As it happened, adding the code for
named funs changed the order in the environment for ordinary funs.
To avoid the problem in the future, make sure that we only have one
free variable in the funs that we will need to inspect using
erlang:fun_info(Fun, env).
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The current code for the evaluation of ordinary funs is dependent
on the order on variables in the fun environment as returned by
erlang:fun_info(Fun, env).
To avoid the problem in the future, make sure that we only have one
free variable in the funs that we will need to inspect using
erlang:fun_info(Fun, env).
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This adds optional names to fun expressions. A named fun expression
is parsed as a tuple `{named_fun,Loc,Name,Clauses}` in erl_parse.
If a fun expression has a name, it must be present and be the same in
every of its clauses. The function name shadows the environment of the
expression shadowing the environment and it is shadowed by the
environment of the clauses' arguments. An unused function name triggers
a warning unless it is prefixed by _, just as every variable.
Variable _ is allowed as a function name.
It is not an error to put a named function in a record field default
value.
When transforming to Core Erlang, the named fun Fun is changed into
the following expression:
letrec 'Fun'/Arity =
fun (Args) ->
let <Fun> = 'Fun'/Arity
in Case
in 'Fun'/Arity
where Args is the list of arguments of 'Fun'/Arity and Case the
Core Erlang expression corresponding to the clauses of Fun.
This transformation allows us to entirely skip any k_var to k_local
transformation in the fun's clauses bodies.
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Dialyzer so far only supported letrecs at the top-level
and comprehension-like letrecs (i.e. that were directly applied)
in their body.
This commit address this issue by storing in the callgraph
bound letrec labels pointing to their functions. This information
is then used by the dataflow to properly lookup recursive
definitions.
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The R16B03 release
Conflicts:
lib/sasl/vsn.mk
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OTP-11529
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* rickard/garbage_collect/OTP-11388:
Parallel check_process_code when code_server purge a module
Functionality for disabling garbage collection
Use asynchronous check_process_code in code_parallel_SUITE
Execution of system tasks in context of another process
Conflicts:
bootstrap/lib/kernel/ebin/hipe_unified_loader.beam
erts/preloaded/ebin/erlang.beam
erts/preloaded/ebin/erts_internal.beam
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* schlagert/fix_emulator_upgrades:
Fix boot file generation for intermediate releases.
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* ia/inets/cuddle-with-tests:
inets: Add crypto start check to ssl test cases
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* sverk/crypto-strrchr-bug:
crypto: Fix bug in change_basename
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* peppe/common_test/r16b03_docs:
Update documentation
OTP-10631
OTP-11305
OTP-11523
OTP-11524
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* anders/diameter/doc/OTP-11519:
Assorted doc fixes/tweaks
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strrchr used on non null-terminated string.
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* sverk/yb/aes_ige_crypt:
crypto: Update supports/0 for des3_cbf and aes_ige256
crypto: Throw notsup for AES IGE if openssl older than 0.9.8c
crypto: Add IGE mode for AES
OTP-11522
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* hans/ssh/cli_delays:
ssh: Fix long cli delays. (Part of OTP-11339, OTP-10953)
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A step in fixing the tickets.
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* sverk/crypto-no_answer_from_tc_supervisor:
crypto: Add more lazy_eval to avoid no_answer_from_tc_supervisor
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A previous refactoring messed up the paths used in the start.boot
file used in intermediate releases generated for emulator upgrades.
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* peppe/common_test/hook_skip_failure:
Fix CT hook pre_end_per_group causing crash when returning {skip,Reason}
OTP-11409
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* maint:
Fix observer retrieval of alloc info
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This commit only bump the runtime_tools version. The actual fix
is in commit 6cd261deb5fec413eb196b620a4618cfa0781458 (merged to
maint branch), but should have been part of this commit.
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* nox/crypto-uninitialized-vars:
Fix some uninitialized pointers in crypto
OTP-11510
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* nox/fix-clang-warnings:
Silence warnings about socklen_t pointers sign in erl_memory
Compile in_heapfrag() only in debug mode
Silence two warnings about tests being always true
Conditionally compile my_gethostbyname_r and my_gethostbyaddr_r
Silence a mismatching type pointer warning in ei_resolve
Silence warnings about different buffer types in erl_memory
erts: Remove unused file winsock_func.h
Silence warnings about unused return values in ic
Silence a warning in erl_poll about an empty loop body
Fix erts_check_off_heap2 assertion
Properly mark erl_assert_error as non-returning
Remove uninitialized use of new_crr in erl_alloc_util
OTP-11517
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* nox/diameter-make-fixes:
diameter: Fix silent make rule
OTP-11514
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* nox/wx-make-fixes:
wx: Fix silent make rules
OTP-11515
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Amendment to f1ebf482e1460d6146d55aa6cab00ab3e11f1741
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erl_memory.c:947:7: warning: passing 'int *' to parameter of type 'socklen_t *' (aka 'unsigned int *') converts between pointers to integer types with different sign [-Wpointer-sign]
&saddr_size) != 0)
^~~~~~~~~~~
/usr/include/sys/socket.h:616:74: note: passing argument to parameter here
int getsockname(int, struct sockaddr * __restrict, socklen_t * __restrict)
^
erl_memory.c:2613:57: warning: passing 'int *' to parameter of type 'socklen_t *' (aka 'unsigned int *') converts between pointers to integer types with different sign [-Wpointer-sign]
sock = accept(lsock, (struct sockaddr *) &oth_addr, &oth_addr_len);
^~~~~~~~~~~~~
/usr/include/sys/socket.h:610:69: note: passing argument to parameter here
int accept(int, struct sockaddr * __restrict, socklen_t * __restrict)
^
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encode/encode_ulonglong.c:55:25: warning: comparison of unsigned expression >= 0 is always true [-Wtautological-compare]
if ((p < 256) && (p >= 0)) {
~ ^ ~
legacy/erl_marshal.c:293:24: warning: comparison of unsigned expression >= 0 is always true [-Wtautological-compare]
if ((ul < 256) && (ul >= 0)) {
~~ ^ ~
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These are not needed when not on VXWORKS or without _REENTRANT.
connect/ei_resolve.c:302:24: warning: unused function 'my_gethostbyname_r' [-Wunused-function]
static struct hostent *my_gethostbyname_r(const char *name,
^
connect/ei_resolve.c:360:24: warning: unused function 'my_gethostbyaddr_r' [-Wunused-function]
static struct hostent *my_gethostbyaddr_r(const char *addr,
^
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