[Webkit-unassigned] [Bug 212887] New: Invalid escape sequence with a non-octal-eight

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=212887

            Bug ID: 212887
           Summary: Invalid escape sequence with a non-octal-eight
           Product: WebKit
           Version: Other
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: junior.jefferson at gmail.com

Hi everyone,
maybe is a case of an invalid numeric escape (non-octal-eight) in strict mode, but the same occurs using the strict mode and without it. Is this an expected behavior of JavaScriptCore? (implementation-dependent)

version: 262693
OS: Linux Ubuntu 19.10 x64

Steps to reproduce:

print(`\8`);
Actual results:

SyntaxError: untagged template literal contains invalid escape sequence
Expected results:

8
The same occurs in strict mode

"use strict";
print(`\8`);
V8, SpiderMonkey, Chakra works as expected.

cinfuzz

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