revert by Andi's request

diff --git a/Zend/zend_compile.c b/Zend/zend_compile.c
index 76550d88e6db88736663440ddbbdd70748cefde0..ce64719f13d35490223632e2a5b7c2886ec151e5 100644 (file)
--- a/Zend/zend_compile.c
+++ b/Zend/zend_compile.c
@@ -2247,17 +2247,6 @@ static zend_bool do_inherit_constant_check(HashTable *child_constants_table, zva
 
 ZEND_API void zend_do_implement_interface(zend_class_entry *ce, zend_class_entry *iface TSRMLS_DC)
 {
-       zend_uint i, if_num = ce->num_interfaces, cnt = 0;
-
-       for (i = 0; i < if_num; i++) {
-               if (ce->interfaces[i] != NULL && ce->interfaces[i]->name_length == iface->name_length && !memcmp(ce->interfaces[i]->name, iface->name, iface->name_length)) {
-                       cnt++;
-                       if (cnt > 1) {
-                               zend_error(E_COMPILE_ERROR, "Cannot implement previously implemented interface %s", iface->name);
-                       }
-               }
-       }
-
        zend_hash_merge_ex(&ce->constants_table, &iface->constants_table, (copy_ctor_func_t) zval_add_ref, sizeof(zval *), (merge_checker_func_t) do_inherit_constant_check, iface);
        zend_hash_merge_ex(&ce->function_table, &iface->function_table, (copy_ctor_func_t) do_inherit_method, sizeof(zend_function), (merge_checker_func_t) do_inherit_method_check, ce);