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<p>This document describes the changes made to the Dialyzer
application.</p>
+<section><title>Dialyzer 2.5</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Fix false warning about closure application</p>
+ <p>
+ Whenever a variable that could hold one of two or more
+ possible closures was used in a particular application,
+ the application was assumed to fail if ONE of the
+ closures would fail in this application. This has been
+ corrected to infer failing application if ALL possible
+ closures would fail in the particular application.</p>
+ <p>
+ Change category of 'might also return' warnings</p>
+ <p>
+ Dialyzer emits warnings like the following "The
+ specification for _ states that the function might also
+ return _ but the inferred return is _", which are
+ actually underspecifications and not wrong type
+ specifications. This patch makes sure that they are filed
+ under the appropriate category.</p>
+ <p>
+ Own Id: OTP-9707</p>
+ </item>
+ <item>
+ <p>Wrap up behaviours patch for Dialyzer</p> <list>
+ <item><p>Enable warnings by default, add two options for
+ suppressing them</p></item> <item><p>Fix warning
+ formatting and update testsuites.</p></item>
+ <item><p>Detection of callback-spec
+ discrepancies</p></item> <item><p>Allow none() as return
+ value in callbacks</p></item> <item><p>Behaviour callback
+ discrepancy detection for Dialyzer</p></item>
+ <item><p>Add lookup function for callbacks</p></item>
+ <item><p>Store callbacks in codeserver and PLT</p></item>
+ <item><p>Collect callback definitions during
+ compilation</p></item> <item><p>Update inets
+ results</p></item> </list>
+ <p>
+ Own Id: OTP-9731</p>
+ </item>
+ <item>
+ <p>
+ <list> <item><p>No warnings for underspecs with remote
+ types</p></item> <item><p> Fix crash in Typer</p></item>
+ <item><p>Fix Dialyzer's warning for its own
+ code</p></item> <item><p>Fix Dialyzer's warnings in
+ HiPE</p></item> <item><p>Add file/line info in a
+ particular Dialyzer crash</p></item> <item><p>Update
+ inets test results</p></item> </list></p>
+ <p>
+ Own Id: OTP-9758</p>
+ </item>
+ <item>
+ <p>
+ <list> <item><p>Correct callback spec in application
+ module</p></item> <item><p>Refine warning about callback
+ specs with extra ranges</p></item> <item><p>Cleanup
+ autoimport compiler directives</p></item> <item><p>Fix
+ Dialyzer's warnings in typer</p></item> <item><p>Fix
+ Dialyzer's warning for its own code</p></item>
+ <item><p>Fix bug in Dialyzer's behaviours
+ analysis</p></item> <item><p>Fix crash in
+ Dialyzer</p></item> <item><p>Variable substitution was
+ not generalizing any unknown variables.</p></item>
+ </list></p>
+ <p>
+ Own Id: OTP-9776</p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p> Optimize the joining of maps in
+ <c>dialyzer_dataflow</c>. </p>
+ <p>
+ Own Id: OTP-9761</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Dialyzer 2.4.4</title>
<section><title>Fixed Bugs and Malfunctions</title>