Errors using reserved words as methods

tests/basic/bug51709_1.phpt

@@ -0,0 +1,16 @@
+--TEST--
+Bug #51709 (Can't use keywords as method names)
+--FILE--
+<?php
+
+class foo {
+        static function for() {
+                echo "1";
+        }
+}
+
+?>
+===DONE===
+<?php exit(0); ?>
+--EXPECTF--
+Parse error: syntax error, unexpected T_FOR, expecting T_STRING in %s/bug51709_1.php on line %d

tests/basic/bug51709_2.phpt

@@ -0,0 +1,16 @@
+--TEST--
+Bug #51709 (Can't use keywords as method names)
+--FILE--
+<?php
+
+class foo {
+        static function goto() {
+                echo "1";
+        }
+}
+
+?>
+===DONE===
+<?php exit(0); ?>
+--EXPECTF--
+Parse error: syntax error, unexpected T_GOTO, expecting T_STRING in %s/bug51709_2.php on line %d