From c2c623df794ca876a7015f6e14ef5fad4e00b65b Mon Sep 17 00:00:00 2001 From: kisbg Date: Mon, 8 Jun 2020 10:25:04 +0200 Subject: [PATCH] Added missing generator prototype check (#3865) Fixes #3861 JerryScript-DCO-1.0-Signed-off-by: bence gabor kis kisbg@inf.u-szeged.hu --- jerry-core/ecma/operations/ecma-objects.c | 1 + .../es2015/regression-test-issue-3861.js | 26 +++++++++++++++++++ 2 files changed, 27 insertions(+) create mode 100644 tests/jerry/es2015/regression-test-issue-3861.js diff --git a/jerry-core/ecma/operations/ecma-objects.c b/jerry-core/ecma/operations/ecma-objects.c index e6d7c5198..70b6c02fc 100644 --- a/jerry-core/ecma/operations/ecma-objects.c +++ b/jerry-core/ecma/operations/ecma-objects.c @@ -2644,6 +2644,7 @@ ecma_object_check_class_name_is_object (ecma_object_t *obj_p) /**< object */ || ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_RANGE_ERROR_PROTOTYPE) || ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_REFERENCE_ERROR_PROTOTYPE) || ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_SYNTAX_ERROR_PROTOTYPE) + || ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_GENERATOR_PROTOTYPE) || ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_TYPE_ERROR_PROTOTYPE) || ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_URI_ERROR_PROTOTYPE) || ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_ERROR_PROTOTYPE) diff --git a/tests/jerry/es2015/regression-test-issue-3861.js b/tests/jerry/es2015/regression-test-issue-3861.js new file mode 100644 index 000000000..bf393a6a3 --- /dev/null +++ b/tests/jerry/es2015/regression-test-issue-3861.js @@ -0,0 +1,26 @@ +// 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. + +try { + (function() { + function* generatorFn() {} + g = generatorFn() + ownProto = Object.getPrototypeOf(g) + sharedProto = Object.getPrototypeOf(ownProto) + propertyIsEnumerable(sharedProto) + })() + assert (false); +} catch (e) { + assert (e instanceof TypeError); +}