Prevent usage of uninitialized class entry

diff --git a/ext/opcache/Optimizer/zend_inference.c b/ext/opcache/Optimizer/zend_inference.c
index d74904f84fa7fe370e318d7de198e9465a9b3d22..8b07315c9c474c1d5e0a5975d1ce14e48caabe16 100644 (file)
--- a/ext/opcache/Optimizer/zend_inference.c
+++ b/ext/opcache/Optimizer/zend_inference.c
@@ -2180,12 +2180,13 @@ static uint32_t zend_convert_type_declaration_mask(uint32_t type_mask) {
 uint32_t zend_fetch_arg_info_type(const zend_script *script, zend_arg_info *arg_info, zend_class_entry **pce)
 {
        uint32_t tmp;
+
+       *pce = NULL;
        if (!ZEND_TYPE_IS_SET(arg_info->type)) {
                return MAY_BE_ANY|MAY_BE_ARRAY_KEY_ANY|MAY_BE_ARRAY_OF_ANY|MAY_BE_ARRAY_OF_REF|MAY_BE_RC1|MAY_BE_RCN;
        }
 
        tmp = zend_convert_type_declaration_mask(ZEND_TYPE_PURE_MASK(arg_info->type));
-       *pce = NULL;
        if (ZEND_TYPE_HAS_CLASS(arg_info->type)) {
                tmp |= MAY_BE_OBJECT;
                /* As we only have space to store one CE, we use a plain object type for class unions. */