[Webkit-unassigned] [Bug 162689] New: B3 should support trapping memory accesses

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=162689

            Bug ID: 162689
           Summary: B3 should support trapping memory accesses
    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

WebAssembly can be made to run faster if you let virtual memory do some safety checks for you.  But that means that B3 needs to know that memory accesses can side-exit in an observable way.

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