Fix JIT in Closure self-reference

Author: KapitanOczywisty

Zend/Optimizer/dce.c

@@ -125,6 +125,7 @@ static inline bool may_have_side_effects(
 		case ZEND_FUNC_NUM_ARGS:
 		case ZEND_FUNC_GET_ARGS:
 		case ZEND_ARRAY_KEY_EXISTS:
+		case ZEND_BIND_SELF_REFERENCE:
 			/* No side effects */
 			return 0;
 		case ZEND_ADD_ARRAY_ELEMENT:

Zend/Optimizer/zend_inference.c

@@ -4363,6 +4363,7 @@ static void zend_mark_cv_references(const zend_op_array *op_array, const zend_sc
 					case ZEND_SEND_REF:
 					case ZEND_SEND_VAR_EX:
 					case ZEND_SEND_FUNC_ARG:
+					case ZEND_BIND_SELF_REFERENCE:
 						break;
 					case ZEND_INIT_ARRAY:
 					case ZEND_ADD_ARRAY_ELEMENT:

Zend/Optimizer/zend_ssa.c

@@ -698,6 +698,7 @@ static zend_always_inline int _zend_ssa_rename_op(const zend_op_array *op_array,
 		case ZEND_FETCH_DIM_FUNC_ARG:
 		case ZEND_FETCH_DIM_UNSET:
 		case ZEND_FETCH_LIST_W:
+		case ZEND_BIND_SELF_REFERENCE:
 			if (opline->op1_type == IS_CV) {
 				goto add_op1_def;
 			}