[Webkit-unassigned] [Bug 167161] New: [B3] B3 strength reduction could encounter Value without owner in PureCSE

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Jan 18 06:53:50 PST 2017


https://bugs.webkit.org/show_bug.cgi?id=167161

            Bug ID: 167161
           Summary: [B3] B3 strength reduction could encounter Value
                    without owner in PureCSE
    Classification: Unclassified
           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: utatane.tea at gmail.com

B3 strength reduction clears existing value->owner in specializeSelect.
Thus, PureCSE's stored value `match` may not have `owner`.
This is caused in webassembly.org's demo.

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