diff --git a/jerry-core/parser/js/js-parser.c b/jerry-core/parser/js/js-parser.c index 472fe63e3..c7e62ad97 100644 --- a/jerry-core/parser/js/js-parser.c +++ b/jerry-core/parser/js/js-parser.c @@ -2533,6 +2533,13 @@ parser_parse_class_fields (parser_context_t *context_p) /**< context */ if (class_field_type & PARSER_CLASS_FIELD_NORMAL) { parser_emit_cbc_literal (context_p, CBC_ASSIGN_PROP_THIS_LITERAL, literal_index); + + /* Prepare stack slot for assignment property reference base. Needed by vm.c */ + if (context_p->stack_limit == context_p->stack_depth) + { + context_p->stack_limit++; + JERRY_ASSERT (context_p->stack_limit <= PARSER_MAXIMUM_STACK_LIMIT); + } } else { diff --git a/tests/jerry/es.next/regression-test-issue-4413.js b/tests/jerry/es.next/regression-test-issue-4413.js new file mode 100644 index 000000000..1de3018a7 --- /dev/null +++ b/tests/jerry/es.next/regression-test-issue-4413.js @@ -0,0 +1,18 @@ +// 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. + +assert((new (class C2 { x = 5 })).x === 5); +assert((new (class C2 { x = {} + {} })).x === "[object Object][object Object]"); +assert((new (class C2 { ["foo"] = 5; x = {} + {} })).foo === 5); +assert((new (class C2 { ["foo"] = 5; x = 6 })).foo === 5);