[Webkit-unassigned] [Bug 193978] New: ValueRecovery::recover() should purify NaN values it recovers.
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Tue Jan 29 13:38:28 PST 2019
https://bugs.webkit.org/show_bug.cgi?id=193978
Bug ID: 193978
Summary: ValueRecovery::recover() should purify NaN values it
recovers.
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: mark.lam at apple.com
According to DFG::OSRExit::executeOSRExit() and DFG::OSRExit::compileExit(), recovered DoubleDisplacedInJSStack values need to be purified. ValueRecovery::recover() should do the same.
<rdar://problem/47625488>
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