[Webkit-unassigned] [Bug 196305] New: [WebKit/JavaScriptCore] Assertion failed at Source/JavaScriptCore/runtime/ExceptionHelpers.cpp:278

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=196305

            Bug ID: 196305
           Summary: [WebKit/JavaScriptCore] Assertion failed at
                    Source/JavaScriptCore/runtime/ExceptionHelpers.cpp:278
           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: sevendays37 at gmail.com

The debug build of JavaScriptCore failed assertion at Source/JavaScriptCore/runtime/ExceptionHelpers.cpp:278.

PoC:
const var_1 = 'a'.padStart(2147483648 - 1);
new var_1();

Commit: 6369975
OS: Ubuntu 18.04.1 LTS
Arch: x86_64

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