Fix a possible memory leak

diff --git a/Zend/zend_compile.c b/Zend/zend_compile.c
index 43623e200e39ce3c4aec8a1b772053039dc89987..85e3131a36ee7bcfb056bef0e024db3cc1e9d770 100644 (file)
--- a/Zend/zend_compile.c
+++ b/Zend/zend_compile.c
@@ -2740,19 +2740,22 @@ void zend_do_begin_class_declaration(znode *class_token, znode *class_name, znod
 {
        zend_op *opline;
        int doing_inheritance = 0;
-       zend_class_entry *new_class_entry = emalloc(sizeof(zend_class_entry));
-       char *lcname = zend_str_tolower_dup(class_name->u.constant.value.str.val, class_name->u.constant.value.str.len);
+       zend_class_entry *new_class_entry;
+       char *lcname;
 
        if (CG(active_class_entry)) {
                zend_error(E_COMPILE_ERROR, "Class declarations may not be nested");
                return;
        }
 
+       lcname = zend_str_tolower_dup(class_name->u.constant.value.str.val, class_name->u.constant.value.str.len);
+
        if (!(strcmp(lcname, "self") && strcmp(lcname, "parent"))) {
                efree(lcname);
                zend_error(E_COMPILE_ERROR, "Cannot use '%s' as class name as it is reserved", class_name->u.constant.value.str.val);
        }
 
+       new_class_entry = emalloc(sizeof(zend_class_entry));
        new_class_entry->type = ZEND_USER_CLASS;
        new_class_entry->name = class_name->u.constant.value.str.val;
        new_class_entry->name_length = class_name->u.constant.value.str.len;