Fix test

Author: arnaud-lb

Zend/zend_ast.c

@@ -1341,6 +1341,7 @@ static zend_result ZEND_FASTCALL zend_ast_evaluate_inner(
 
 			zval this_ptr;
 			ZVAL_UNDEF(&this_ptr);
+			Z_PTR(this_ptr) = NULL;
 			void *cache_slot[2] = {0};
 			zend_array *extra_named_params = ZEND_CALL_INFO(frame) & ZEND_CALL_HAS_EXTRA_NAMED_PARAMS
 						? frame->extra_named_params

ext/standard/tests/array/array_map_foreach_optimization_007.phpt

@@ -33,7 +33,7 @@ $_main:
 0005 INIT_FCALL 2 %d string("array_map")
 0006 INIT_FCALL 0 %d string("plusn")
 0007 SEND_VAL int(2) string("n")
-0008 T2 = CALLABLE_CONVERT_PARTIAL 2
+0008 T2 = CALLABLE_CONVERT_PARTIAL %d string("{closure:%s}")
 0009 SEND_VAL T2 1
 0010 SEND_VAR CV0($array) 2
 0011 T2 = DO_ICALL