Fixed bug #70982 (setStaticPropertyValue behaviors inconsistently with 5.6)

NEWS

@@ -30,6 +30,10 @@ PHP                                                                        NEWS
 - Phpdbg:
   . Fixed stderr being written to stdout. (Bob)
 
+- Reflection:
+  . Fixed bug #70982 (setStaticPropertyValue behaviors inconsistently with
+    5.6). (Laruence)
+
 - Standard:
   . Fixed bug #70960 (ReflectionFunction for array_unique returns wrong number
     of parameters). (Laruence)

ext/reflection/php_reflection.c

@@ -3858,6 +3858,7 @@ ZEND_METHOD(reflection_class, setStaticPropertyValue)
 				"Class %s does not have a property named %s", ZSTR_VAL(ce->name), ZSTR_VAL(name));
 		return;
 	}
+	ZVAL_DEREF(variable_ptr);
 	zval_ptr_dtor(variable_ptr);
 	ZVAL_COPY(variable_ptr, value);
 }

ext/reflection/tests/bug70982.phpt

@@ -0,0 +1,22 @@
+--TEST--
+Bug #70982 (setStaticPropertyValue behaviors inconsistently with 5.6)
+--FILE--
+<?php
+class Foo {
+	static $abc;
+	function __construct()
+	{
+		var_dump(static::$abc);
+	}
+}
+
+class Bar extends Foo {
+
+}
+
+$rf = new ReflectionClass('Bar');
+$rf->setStaticPropertyValue('abc', 'hi');
+$foo = $rf->newInstance();
+?>
+--EXPECT--
+string(2) "hi"