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Arrow functions "prototype" property should not be lazy listed (#3268)

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This patch fixes #3267.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2019-11-04 12:12:01 +01:00
committed by Zoltan Herczeg
parent cbae33a689
commit fc3cfc4fdc
2 changed files with 27 additions and 5 deletions
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jerry-core/ecma/operations/ecma-function-object.c
+5 -5
View File
@@ -1437,9 +1437,6 @@ ecma_op_function_list_lazy_property_names (ecma_object_t *object_p, /**< functio
/* 'length' property is non-enumerable (ECMA-262 v5, 13.2.5) */
ecma_collection_push_back (for_non_enumerable_p, ecma_make_magic_string_value (LIT_MAGIC_STRING_LENGTH));
/* 'prototype' property is non-enumerable (ECMA-262 v5, 13.2.18) */
ecma_collection_push_back (for_non_enumerable_p, ecma_make_magic_string_value (LIT_MAGIC_STRING_PROTOTYPE));
const ecma_compiled_code_t *bytecode_data_p;
#if ENABLED (JERRY_ES2015)
@@ -1449,10 +1446,13 @@ ecma_op_function_list_lazy_property_names (ecma_object_t *object_p, /**< functio
}
else
{
#endif /* ENABLED (JERRY_ES2015) */
bytecode_data_p = ecma_op_function_get_compiled_code ((ecma_extended_object_t *) object_p);
/* 'prototype' property is non-enumerable (ECMA-262 v5, 13.2.18) */
ecma_collection_push_back (for_non_enumerable_p, ecma_make_magic_string_value (LIT_MAGIC_STRING_PROTOTYPE));
#if ENABLED (JERRY_ES2015)
}
#else /* ENABLED (JERRY_ES2015) */
bytecode_data_p = ecma_op_function_get_compiled_code ((ecma_extended_object_t *) object_p);
#endif /* ENABLED (JERRY_ES2015) */
if (bytecode_data_p->status_flags & CBC_CODE_FLAGS_STRICT_MODE)
tests/jerry/es2015/regression-test-issue-3267.js
+22
View File
@@ -0,0 +1,22 @@
// Copyright JS Foundation and other contributors, http://js.foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
var hasProp = $ => { }
Object.preventExtensions(hasProp);
assert (Object.isSealed(hasProp));
var keys = Object.getOwnPropertyNames(hasProp);
assert (keys.length === 1);
assert (keys[0] === "length");