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</header>
<p>This document describes the changes made to HiPE.</p>
+<section><title>Hipe 3.11</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ A Dialyzer crash involving analysis of Map types has now
+ been fixed.</p>
+ <p>
+ Own Id: OTP-11947</p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ Handle Maps instructions get_map_elements, put_map_assoc,
+ put_map_exact in HiPE compiler.</p>
+ <p>
+ Own Id: OTP-11900</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
+<section><title>Hipe 3.10.3</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Fix compilation with 'no_remove_comments' (Thanks to
+ Johannes Weißl)</p>
+ <p>
+ Own Id: OTP-11564</p>
+ </item>
+ <item>
+ <p>
+ Application upgrade (appup) files are corrected for the
+ following applications: </p>
+ <p>
+ <c>asn1, common_test, compiler, crypto, debugger,
+ dialyzer, edoc, eldap, erl_docgen, et, eunit, gs, hipe,
+ inets, observer, odbc, os_mon, otp_mibs, parsetools,
+ percept, public_key, reltool, runtime_tools, ssh,
+ syntax_tools, test_server, tools, typer, webtool, wx,
+ xmerl</c></p>
+ <p>
+ A new test utility for testing appup files is added to
+ test_server. This is now used by most applications in
+ OTP.</p>
+ <p>
+ (Thanks to Tobias Schlager)</p>
+ <p>
+ Own Id: OTP-11744</p>
+ </item>
+ <item>
+ <p>
+ There is now a test suite for the Hipe application</p>
+ <p>
+ Own Id: OTP-11748</p>
+ </item>
+ <item>
+ <p>
+ Support for a LLVM backend has been added in HiPE</p>
+ <p>
+ Own Id: OTP-11801</p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p> The pre-defined types <c>array/0</c>, <c>dict/0</c>,
+ <c>digraph/0</c>, <c>gb_set/0</c>, <c>gb_tree/0</c>,
+ <c>queue/0</c>, <c>set/0</c>, and <c>tid/0</c> have been
+ deprecated. They will be removed in Erlang/OTP 18.0. </p>
+ <p> Instead the types <c>array:array/0</c>,
+ <c>dict:dict/0</c>, <c>digraph:graph/0</c>,
+ <c>gb_set:set/0</c>, <c>gb_tree:tree/0</c>,
+ <c>queue:queue/0</c>, <c>sets:set/0</c>, and
+ <c>ets:tid/0</c> can be used. (Note: it has always been
+ necessary to use <c>ets:tid/0</c>.) </p> <p> It is
+ allowed in Erlang/OTP 17.0 to locally re-define the types
+ <c>array/0</c>, <c>dict/0</c>, and so on. </p> <p> New
+ types <c>array:array/1</c>, <c>dict:dict/2</c>,
+ <c>gb_sets:set/1</c>, <c>gb_trees:tree/2</c>,
+ <c>queue:queue/1</c>, and <c>sets:set/1</c> have been
+ added. </p> <p> A compiler option,
+ <c>nowarn_deprecated_type</c>, has been introduced. By
+ including the attribute </p> <c>
+ -compile(nowarn_deprecated_type).</c> <p> in an Erlang
+ source file, warnings about deprecated types can be
+ avoided in Erlang/OTP 17.0. </p> <p> The option can also
+ be given as a compiler flag: </p> <c> erlc
+ +nowarn_deprecated_type file.erl</c>
+ <p>
+ Own Id: OTP-10342</p>
+ </item>
+ <item>
+ <p>
+ EEP43: New data type - Maps</p>
+ <p>
+ With Maps you may for instance: <taglist> <item><c>M0 =
+ #{ a =&gt; 1, b =&gt; 2}, % create
+ associations</c></item> <item><c>M1 = M0#{ a := 10 }, %
+ update values</c></item> <item><c>M2 = M1#{ "hi" =&gt;
+ "hello"}, % add new associations</c></item> <item><c>#{
+ "hi" := V1, a := V2, b := V3} = M2. % match keys with
+ values</c></item> </taglist></p>
+ <p>
+ For information on how to use Maps please see Map Expressions in the
+ <seealso marker="doc/reference_manual:expressions#map_expressions">
+ Reference Manual</seealso>.</p>
+ <p>
+ The current implementation is without the following
+ features: <taglist> <item>No variable keys</item>
+ <item>No single value access</item> <item>No map
+ comprehensions</item> </taglist></p>
+ <p>
+ Note that Maps is <em>experimental</em> during OTP 17.0.</p>
+ <p>
+ Own Id: OTP-11616</p>
+ </item>
+ <item>
+ <p> Parameterized opaque types have been introduced. </p>
+ <p>
+ Own Id: OTP-11625</p>
+ </item>
+ <item>
+ <p>
+ Add support for the compilation of the is_map/1 and
+ map_size/1 guards to native code.</p>
+ <p>
+ Own Id: OTP-11831</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Hipe 3.10.2.2</title>
<section><title>Fixed Bugs and Malfunctions</title>