Avoid assumption

Author: DanielEScherzer

ext/opcache/zend_file_cache.c

@@ -439,8 +439,7 @@ static void zend_file_cache_serialize_zval(zval                     *zv,
 			SERIALIZE_PTR(Z_INDIRECT_P(zv));
 			break;
 		case IS_PTR:
-			/* Used by attributes on constants */
-			SERIALIZE_ATTRIBUTES(Z_PTR_P(zv));
+			/* Used by attributes on constants, will be handled separately */
 			break;
 		default:
 			ZEND_ASSERT(Z_TYPE_P(zv) < IS_STRING);
@@ -560,6 +559,13 @@ static void zend_file_cache_serialize_op_array(zend_op_array            *op_arra
 		UNSERIALIZE_PTR(opline);
 		end = opline + op_array->last;
 		while (opline < end) {
+			if (opline->opcode == ZEND_OP_DATA
+				&& (opline-1)->opcode == ZEND_DECLARE_ATTRIBUTED_CONST
+			) {
+				zval *literal = RT_CONSTANT(opline, opline->op1);
+				SERIALIZE_ATTRIBUTES(Z_PTR_P(literal));
+			}
+
 #if ZEND_USE_ABS_CONST_ADDR
 			if (opline->op1_type == IS_CONST) {
 				SERIALIZE_PTR(opline->op1.zv);
@@ -1328,8 +1334,7 @@ static void zend_file_cache_unserialize_zval(zval                    *zv,
 			UNSERIALIZE_PTR(Z_INDIRECT_P(zv));
 			break;
 		case IS_PTR:
-			/* Used by attributes on constants */
-			UNSERIALIZE_ATTRIBUTES(Z_PTR_P(zv));
+			/* Used by attributes on constants, will be handled separately */
 			break;
 		default:
 			ZEND_ASSERT(Z_TYPE_P(zv) < IS_STRING);
@@ -1500,6 +1505,13 @@ static void zend_file_cache_unserialize_op_array(zend_op_array           *op_arr
 					break;
 			}
 #endif
+
+			if (opline->opcode == ZEND_OP_DATA
+				&& (opline-1)->opcode == ZEND_DECLARE_ATTRIBUTED_CONST
+			) {
+				zval *literal = RT_CONSTANT(opline, opline->op1);
+				UNSERIALIZE_ATTRIBUTES(Z_PTR_P(literal));
+			}
 			zend_deserialize_opcode_handler(opline);
 			opline++;
 		}