--- /dev/null
+list()
+-----
+<?php
+
+list() = $a;
+list($a) = $b;
+list($a, $b, $c) = $d;
+list(, $a) = $b;
+list(, , $a, , $b) = $c;
+list(list($a)) = $b;
+list(, list(, list(, $a), $b)) = $c;
+-----
+list() = $a;
+list($a) = $b;
+list($a, $b, $c) = $d;
+list(, $a) = $b;
+list(, , $a, , $b) = $c;
+list(list($a)) = $b;
+list(, list(, list(, $a), $b)) = $c;