Improved fix for bug #41633 (self:: doesn't work for constants) to support function define()

Zend/tests/bug41633_4.phpt

@@ -0,0 +1,12 @@
+--TEST--
+Bug #41633.4 (self:: doesn't work for constants)
+--FILE--
+<?php
+class Foo {
+	const A = self::B;
+	const B = "ok";
+}
+var_dump(defined("Foo::A"));
+?>
+--EXPECT--
+bool(true)

Zend/zend_constants.c

@@ -348,7 +348,7 @@ ZEND_API int zend_u_get_constant(zend_uchar type, zstr name, uint name_len, zval
 		efree(class_name.v);
 
 		if (retval) {
-			zval_update_constant(ret_constant, (void*)1 TSRMLS_CC);
+			zval_update_constant_ex(ret_constant, (void*)1, *ce TSRMLS_CC);
 			*result = **ret_constant;
 			zval_copy_ctor(result);
 		}