[Webkit-unassigned] [Bug 276306] New: [JSC] RegExp range quantifier should allow 2^53 - 1

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=276306

            Bug ID: 276306
           Summary: [JSC] RegExp range quantifier should allow 2^53 - 1
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: aosukeke at gmail.com

According to the spec[1][2], the range quantifier (/a{n,m}/) allows values for n and m up to
    2^53 - 1. However, the current JSC does not allow numbers larger than UINT_MAX, so it throws a
    SyntaxError:

    ```
    new RegExp("a{9007199254740991}", "u");
    // SyntaxError: Invalid regular expression: number too large in {} quantifier

    related test262: https://github.com/tc39/test262/blob/3a7a72aef5009eb22117231d40f9a5a66a9a595a/test/built-ins/RegExp/quantifier-integer-limit.js

    [1]: https://tc39.es/ecma262/#prod-QuantifierPrefix
    [2]: https://tc39.es/ecma262/#prod-DecimalDigits

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