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diff --git a/lib/compiler/doc/src/notes.xml b/lib/compiler/doc/src/notes.xml index f11d6c73f2..1dc0c808e7 100644 --- a/lib/compiler/doc/src/notes.xml +++ b/lib/compiler/doc/src/notes.xml @@ -32,180 +32,6 @@ <p>This document describes the changes made to the Compiler application.</p> -<section><title>Compiler 7.1</title> - - <section><title>Fixed Bugs and Malfunctions</title> - <list> - <item> - <p>For many releases, it has been legal to override a BIF - with a local function having the same name. However, - calling a local function with the same name as guard BIF - as filter in a list comprehension was not allowed.</p> - <p> - Own Id: OTP-13690</p> - </item> - <item> - <p>compile:forms/2 would not return the module name as - documented when one of the options '<c>from_core</c>', - '<c>from_asm</c>', or '<c>from_beam</c>' was given. Also, - the compiler would crash if one of those options was - combined with '<c>native</c>'.</p> - <p> - Own Id: OTP-14408 Aux Id: ERL-417 </p> - </item> - </list> - </section> - - - <section><title>Improvements and New Features</title> - <list> - <item> - <p> - Optimized test for tuples with an atom as first element.</p> - <p> - Own Id: OTP-12148</p> - </item> - <item> - <p> - Compilation of modules with huge literal binary strings - is now much faster.</p> - <p> - Own Id: OTP-13794</p> - </item> - <item> - <p>Replaced usage of deprecated symbolic <seealso - marker="erts:erlang#type-time_unit"><c>time - unit</c></seealso> representations.</p> - <p> - Own Id: OTP-13831 Aux Id: OTP-13735 </p> - </item> - <item> - <p>The undocumented and unsupported module - <c>sys_pre_expand</c> has been removed. As a partical - replacement for the functionality, there is a new - function <c>erl_internal:add_predefined_functions/1</c> - and <c>erl_expand_records</c> will now add a module - prefix to calls to BIFs and imported functions.</p> - <p> - Own Id: OTP-13856</p> - </item> - <item> - <p>The internal compiler passes now start all generated - variables with "@" to avoid any conflicts with variables - in languages such as Elixir or LFE.</p> - <p> - Own Id: OTP-13924</p> - </item> - <item> - <p>The function <c>fmod/2</c> has been added to the - <c>math</c> module.</p> - <p> - Own Id: OTP-14000</p> - </item> - <item> - <p>Code generation for complicated guards have been - improved.</p> - <p> - Own Id: OTP-14042</p> - </item> - <item> - <p> - The compiler has new warnings for repeated identical map - keys.</p> - <p> - A map expression such as,</p> - <p> - <c> #{'a' => 1, 'b' => 2, 'a' => 3}.</c></p> - <p> - will produce a warning for the repeated key 'a'.</p> - <p> - Own Id: OTP-14058</p> - </item> - <item> - <p>By default, there will now be a warning when - <c>export_all</c> is used. The warning can be disabled - using <c>nowarn_export_all</c>.</p> - <p> - Own Id: OTP-14071</p> - </item> - <item> - <p> - Optimize maps pattern matching by only examining the - common keys in each clause first instead of all keys. - This will reduce the number of lookups of each key in - maps pattern matching.</p> - <p> - Own Id: OTP-14072</p> - </item> - <item> - <p>There is a new '<c>deterministc</c>' option to omit - '<c>source</c>' and '<c>options</c>' tuples in the BEAM - file.</p> - <p> - Own Id: OTP-14087</p> - </item> - <item> - <p> - Analyzing modules with binary construction with huge - strings is now much faster. The compiler also compiles - such modules slightly faster.</p> - <p> - Own Id: OTP-14125 Aux Id: ERL-308 </p> - </item> - <item> - <p>Atoms may now contain arbitrary Unicode - characters.</p> - <p> - Own Id: OTP-14178</p> - </item> - <item> - <p><c>compile:file/2</c> now accepts the option - <c>extra_chunks</c> to include extra chunks in the BEAM - file.</p> - <p> - Own Id: OTP-14221</p> - </item> - <item> - <p>The format of debug information that is stored in BEAM - files (when <c>debug_info</c> is used) has been changed. - The purpose of the change is to better support other - BEAM-based languages such as Elixir or LFE.</p> - <p>All tools included in OTP (dialyzer, debugger, cover, - and so on) will handle both the new format and the - previous format. Tools that retrieve the debug - information using <c>beam_lib:chunk(Beam, - [abstract_code])</c> will continue to work with both the - new and old format. Tools that call - <c>beam_lib:chunk(Beam, ["Abst"])</c> will not work with - the new format.</p> - <p>For more information, see the description of - <c>debug_info</c> in the documentation for - <c>beam_lib</c> and the description of the - <c>{debug_info,{Backend,Data}}</c> option in the - documentation for <c>compile</c>.</p> - <p> - Own Id: OTP-14369 Aux Id: PR-1367 </p> - </item> - <item> - <p>In a future release, <c>erlang:get_stacktrace/0</c> - will probably only work when called from within a - '<c>try</c>' expression (otherwise it will return - <c>[]</c>.</p> - <p>To help prepare for that change, the compiler will now - by default warn if '<c>get_stacktrace/0</c>' is used in a - way that will not work in the future. Note that the - warning will not be issued if '<c>get_stacktrace/0</c>' - is used in a function that uses neither '<c>catch</c>' - nor '<c>try</c>' (because that could be a legal use if - the function is called from within a '<c>try</c>'.</p> - <p> - Own Id: OTP-14401</p> - </item> - </list> - </section> - -</section> - <section><title>Compiler 7.0.4</title> <section><title>Fixed Bugs and Malfunctions</title> |