[Webkit-unassigned] [Bug 162688] New: B3 should support trapping memory accesses with stackmaps

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=162688

            Bug ID: 162688
           Summary: B3 should support trapping memory accesses with
                    stackmaps
    Classification: Unclassified
           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: fpizlo at apple.com

This will let us make some of our safety checks trap-based.  For example, we could use this to eliminate cell checks from many cell accesses.

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