diff --git a/jerry-core/ecma/operations/ecma-function-object.c b/jerry-core/ecma/operations/ecma-function-object.c index dadd26ba1..7f7ccbd72 100644 --- a/jerry-core/ecma/operations/ecma-function-object.c +++ b/jerry-core/ecma/operations/ecma-function-object.c @@ -681,7 +681,10 @@ ecma_op_function_get_super_constructor (ecma_object_t *func_obj_p) /**< function if (super_ctor_p == NULL || !ecma_object_is_constructor (super_ctor_p)) { - ecma_deref_object (super_ctor_p); + if (super_ctor_p != NULL) + { + ecma_deref_object (super_ctor_p); + } return ecma_raise_type_error (ECMA_ERR_MSG ("Super binding must be a constructor.")); } diff --git a/tests/jerry/es2015/regression-test-issue-3636.js b/tests/jerry/es2015/regression-test-issue-3636.js new file mode 100644 index 000000000..8a75d05ae --- /dev/null +++ b/tests/jerry/es2015/regression-test-issue-3636.js @@ -0,0 +1,39 @@ +// 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. + +function f() {} +var B = class extends f { + constructor() { + String(Reflect.setPrototypeOf(B, null)); + super($) + } +} +C = class extends B { + g() { + return function() {} + } +} +D = class extends C { + constructor() { + super() + } + g() {} +} + +try { + new D + assert (false); +} catch (e) { + assert (e instanceof TypeError); +}