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Const literal marker should be processed before group assignment marker (#4948)

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This patch fixes #4925.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik robert.fancsik@h-lab.eu
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Robert Fancsik 2024-11-21 11:10:09 +01:00 committed by GitHub
parent 82ca949850
commit a7e24fe89a
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GPG Key ID: B5690EEEBB952194
2 changed files with 27 additions and 6 deletions
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12
jerry-core/parser/js/js-parser-expr.c
View File

@ -3486,18 +3486,18 @@ parser_process_binary_assignment_token (parser_context_t *context_p, /**< contex
bool group_expr_assingment = false;
if (JERRY_UNLIKELY (context_p->stack_top_uint8 == LEXER_ASSIGN_GROUP_EXPR))
{
group_expr_assingment = true;
parser_stack_pop_uint8 (context_p);
}
if (JERRY_UNLIKELY (context_p->stack_top_uint8 == LEXER_ASSIGN_CONST))
{
parser_stack_pop_uint8 (context_p);
parser_emit_cbc_ext (context_p, CBC_EXT_THROW_ASSIGN_CONST_ERROR);
}
if (JERRY_UNLIKELY (context_p->stack_top_uint8 == LEXER_ASSIGN_GROUP_EXPR))
{
group_expr_assingment = true;
parser_stack_pop_uint8 (context_p);
}
if (index == PARSER_INVALID_LITERAL_INDEX)
{
if (JERRY_UNLIKELY (token == LEXER_ASSIGN_REFERENCE))

21
tests/jerry/es.next/regression-test-issue-4925.js Normal file
View File

@ -0,0 +1,21 @@
// 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 {
for (const i = 0;;)
(i) = 5;
assert(false);
} catch (e) {
assert(e instanceof TypeError);
}