diff --git a/jerry-core/ecma/builtin-objects/ecma-builtin-regexp-prototype.c b/jerry-core/ecma/builtin-objects/ecma-builtin-regexp-prototype.c index 7e3ba1be9..e02010250 100644 --- a/jerry-core/ecma/builtin-objects/ecma-builtin-regexp-prototype.c +++ b/jerry-core/ecma/builtin-objects/ecma-builtin-regexp-prototype.c @@ -291,6 +291,11 @@ ecma_builtin_regexp_prototype_compile (ecma_value_t this_arg, /**< this */ ecma_make_uint32_value (0), ECMA_PROPERTY_FLAG_WRITABLE | ECMA_PROP_IS_THROW); + if (ECMA_IS_VALUE_ERROR (status)) + { + return status; + } + JERRY_ASSERT (ecma_is_value_true (status)); if (ecma_object_is_regexp_object (pattern_arg)) diff --git a/tests/jerry/es.next/regression-test-issue-4017.js b/tests/jerry/es.next/regression-test-issue-4017.js new file mode 100644 index 000000000..d6e8f5425 --- /dev/null +++ b/tests/jerry/es.next/regression-test-issue-4017.js @@ -0,0 +1,20 @@ +// 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 { + var v0 = Object.freeze (RegExp ("foo", "g")).compile (); + assert(false); +} catch (e) { + assert(e instanceof TypeError); +}