diff --git a/reference/pcre/constants.xml b/reference/pcre/constants.xml
index 64066a9e75..8a34cd7403 100644
--- a/reference/pcre/constants.xml
+++ b/reference/pcre/constants.xml
@@ -119,6 +119,14 @@
      </entry>
      <entry>5.3.0</entry>
     </row>
+    <row xml:id="constant.preg-jit-stacklimit-error">
+     <entry><constant>PREG_JIT_STACKLIMIT_ERROR</constant></entry>
+     <entry>
+      Returned by <function>preg_last_error</function> if the last PCRE function
+      failed due to limited JIT stack space.
+     </entry>
+     <entry>7.0.0</entry>
+    </row>
     <row xml:id="constant.pcre-version">
      <entry><constant>PCRE_VERSION</constant></entry>
      <entry>
diff --git a/reference/pcre/functions/preg-last-error.xml b/reference/pcre/functions/preg-last-error.xml
index 3d384ee73f..b6e5e59ea8 100644
--- a/reference/pcre/functions/preg-last-error.xml
+++ b/reference/pcre/functions/preg-last-error.xml
@@ -55,6 +55,7 @@ Backtrack limit was exhausted!
     linkend="ini.pcre.recursion-limit">pcre.recursion_limit</link>)</member>
     <member><constant>PREG_BAD_UTF8_ERROR</constant></member>
     <member><constant>PREG_BAD_UTF8_OFFSET_ERROR</constant> (since PHP 5.3.0)</member>
+    <member><constant>PREG_JIT_STACKLIMIT_ERROR</constant> (since PHP 7.0.0)</member>
    </simplelist>
   </para>
  </refsect1>