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Added missing generator prototype check (#3865)

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Fixes #3861

JerryScript-DCO-1.0-Signed-off-by: bence gabor kis kisbg@inf.u-szeged.hu
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kisbg 2020-06-08 10:25:04 +02:00 committed by GitHub
parent 358101f27f
commit c2c623df79
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2 changed files with 27 additions and 0 deletions
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1
jerry-core/ecma/operations/ecma-objects.c
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@ -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)

26
tests/jerry/es2015/regression-test-issue-3861.js Normal file
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@ -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);
}