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@@ -32,6 +32,83 @@
<p>This document describes the changes made to the Compiler
application.</p>
+<section><title>Compiler 7.4.2</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>Fixed an incorrect type determination for constructed
+ binaries, which could cause <c>is_binary</c> checks to
+ succeed when they shouldn't have.</p>
+ <p>
+ Own Id: OTP-15872</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
+<section><title>Compiler 7.4.1</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>The type optimization pass of the compiler could hang
+ or loop for a long time when analyzing a
+ <c>setelement/3</c> call with a varible position.</p>
+ <p>
+ Own Id: OTP-15828 Aux Id: ERL-948 </p>
+ </item>
+ <item>
+ <p>Certain complex receive statements would result in an
+ internal compiler failure.</p>
+ <p>
+ Own Id: OTP-15832 Aux Id: ERL-950 </p>
+ </item>
+ <item>
+ <p>Fixed an unsafe type optimization.</p>
+ <p>
+ Own Id: OTP-15838</p>
+ </item>
+ <item>
+ <p>Fixed a crash when optimizing compiler-generated
+ exceptions (like badmatch) whose offending term was a
+ constructed binary.</p>
+ <p>
+ Own Id: OTP-15839 Aux Id: ERL-954 </p>
+ </item>
+ <item>
+ <p>Fixed a bad optimization related to the <c>++/2</c>
+ operator, where the compiler assumed that it always
+ produced a list (<c>[] ++ RHS</c> returns <c>RHS</c>
+ verbatim, even if it's not a list).</p>
+ <p>
+ Own Id: OTP-15841</p>
+ </item>
+ <item>
+ <p>An <c>is_binary/1</c> test followed by
+ <c>is_bitstring/1</c> (or vice versa) could fail because
+ of an usafe optimization.</p>
+ <p>
+ Own Id: OTP-15845</p>
+ </item>
+ <item>
+ <p>A Core Erlang module where the last clause in a
+ <c>case</c> matched a map would fail to load.</p>
+ <p>
+ Own Id: OTP-15846 Aux Id: ERL-955 </p>
+ </item>
+ <item>
+ <p>Fixed a bug that could cause the compiler to crash
+ when compiling complex nested case expressions.</p>
+ <p>
+ Own Id: OTP-15848 Aux Id: ERL-956 </p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Compiler 7.4</title>
<section><title>Fixed Bugs and Malfunctions</title>