From a015fa83a735da7342dd7ae172c4516265bed41d Mon Sep 17 00:00:00 2001
From: Arpad Ray <arraypad@gmail.com>
Date: Fri, 19 Jul 2013 19:19:48 +0100
Subject: [PATCH] Fixed bug #65291 - get_defined_constants() crash with
 __CLASS__ in trait

---
 NEWS                          |  2 ++
 Zend/tests/bug65291.phpt      | 24 ++++++++++++++++++++++++
 Zend/zend_builtin_functions.c |  5 +++++
 3 files changed, 31 insertions(+)
 create mode 100644 Zend/tests/bug65291.phpt

diff --git a/NEWS b/NEWS
index 4826d0ca98a..011b3d890b7 100644
--- a/NEWS
+++ b/NEWS
@@ -4,6 +4,8 @@ PHP                                                                        NEWS
 
 - Core.
   . Improve fix for bug #63186 (compile failure on netbsd). (Matteo)
+  . Fixed bug #65291 (get_defined_constants() causes PHP to crash in a very
+    limited case). (Arpad)
 
 - Session:
   . Fixed bug #62129 (rfc1867 crashes php even though turned off). (gxd305 at
diff --git a/Zend/tests/bug65291.phpt b/Zend/tests/bug65291.phpt
new file mode 100644
index 00000000000..9e5cca5c357
--- /dev/null
+++ b/Zend/tests/bug65291.phpt
@@ -0,0 +1,24 @@
+--TEST--
+Bug #65291 - get_defined_constants() causes PHP to crash in a very limited case.
+--FILE--
+<?php
+
+trait TestTrait
+{
+	public static function testStaticFunction()
+	{
+		return __CLASS__;
+	}
+}
+class Tester
+{
+	use TestTrait;
+}
+
+$foo = Tester::testStaticFunction();
+get_defined_constants();
+
+echo $foo;
+?>
+--EXPECT--
+Tester
diff --git a/Zend/zend_builtin_functions.c b/Zend/zend_builtin_functions.c
index f29676bac0c..1aba64e1028 100644
--- a/Zend/zend_builtin_functions.c
+++ b/Zend/zend_builtin_functions.c
@@ -1926,6 +1926,11 @@ static int add_constant_info(zend_constant *constant, void *arg TSRMLS_DC)
 	zval *name_array = (zval *)arg;
 	zval *const_val;
 
+	if (!constant->name) {
+		/* skip special constants */
+		return 0;
+	}
+
 	MAKE_STD_ZVAL(const_val);
 	*const_val = constant->value;
 	zval_copy_ctor(const_val);