[Webkit-unassigned] [Bug 215034] New: Date creation methods incorrectly clip to Int32

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=215034

            Bug ID: 215034
           Summary: Date creation methods incorrectly clip to Int32
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: me at gus.host

$ eshost -s -e 'Date.UTC(1970, 0, 1, 0, 0, 0, 2**32)'
#### ChakraCore, engine262, engine262+, GraalJS, Moddable XS, QuickJS, SpiderMonkey, V8
4294967296

#### JavaScriptCore
NaN

Relevant code here: https://github.com/WebKit/webkit/blob/de7fb331a9fb6ed6773508765f9498fb12f90b4d/Source/JavaScriptCore/runtime/DateConstructor.cpp#L84-L96

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