diff --git a/jerry-core/parser/js/js-parser-expr.c b/jerry-core/parser/js/js-parser-expr.c index 650afaae7..167cc0d42 100644 --- a/jerry-core/parser/js/js-parser-expr.c +++ b/jerry-core/parser/js/js-parser-expr.c @@ -119,16 +119,18 @@ parser_check_invalid_assign (parser_context_t *context_p) /**< context */ */ static void parser_check_invalid_new_target (parser_context_t *context_p, /**< parser context */ - cbc_opcode_t opcode) /**< current opcode under parsing */ + cbc_opcode_t opcode) /**< current opcode under parsing */ { - JERRY_ASSERT ((opcode >= CBC_PRE_INCR && opcode <= CBC_POST_DECR) - || (opcode == CBC_ASSIGN - && (context_p->token.type == LEXER_ASSIGN - || LEXER_IS_BINARY_LVALUE_TOKEN (context_p->token.type)))); - /* new.target is an invalid left-hand side target */ if (context_p->last_cbc_opcode == PARSER_TO_EXT_OPCODE (CBC_EXT_PUSH_NEW_TARGET)) { + /* Make sure that the call side is a post/pre increment or an assignment expression. + * There should be no other ways the "new.target" expression should be here. */ + JERRY_ASSERT ((opcode >= CBC_PRE_INCR && opcode <= CBC_POST_DECR) + || (opcode == CBC_ASSIGN + && (context_p->token.type == LEXER_ASSIGN + || LEXER_IS_BINARY_LVALUE_TOKEN (context_p->token.type)))); + parser_raise_error (context_p, PARSER_ERR_NEW_TARGET_NOT_ALLOWED); } } /* parser_check_invalid_new_target */ diff --git a/tests/jerry/es2015/regression-test-issue-3519.js b/tests/jerry/es2015/regression-test-issue-3519.js new file mode 100644 index 000000000..c51a7d80c --- /dev/null +++ b/tests/jerry/es2015/regression-test-issue-3519.js @@ -0,0 +1,24 @@ +// 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 method () { + [""] = $ +} + +try { + eval ("function mm () { [new.target] = 3; }"); + assert (false); +} catch (ex) { + assert (ex instanceof SyntaxError); +}