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ext/opcache: document the JIT default change and startup fatal error (PHP 8.4) #5738

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ext/opcache: document the JIT default change and startup fatal error (PHP 8.4) #5738

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9 changes: 8 additions & 1 deletion reference/opcache/ini.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -1158,7 +1158,8 @@ function getA() { return A; }
<member><literal>off</literal>: Disabled, but can be enabled at runtime.</member>
<member>
<literal>tracing</literal>/<literal>on</literal>: Use tracing JIT.
Enabled by default and recommended for most users.
Recommended for most users. Prior to PHP 8.4.0, this was the default
value; as of PHP 8.4.0 the default is <literal>disable</literal>.
</member>
<member><literal>function</literal>: Use function JIT.</member>
</simplelist>
Expand Down Expand Up @@ -1220,6 +1221,12 @@ function getA() { return A; }
The <literal>"tracing"</literal> mode corresponds to <code>CRTO = 1254</code>,
the <literal>"function"</literal> mode corresponds to <code>CRTO = 1205</code>.
</para>
<note>
<simpara>
As of PHP 8.4.0, if the JIT is enabled, PHP exits with a fatal error
during startup when JIT initialization fails.
</simpara>
</note>
</listitem>
</varlistentry>
<varlistentry xml:id="ini.opcache.jit-buffer-size">
Expand Down