[Webkit-unassigned] [Bug 185281] New: OSR entry pruning of Program Bytecodes doesn't take into account catches

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=185281

            Bug ID: 185281
           Summary: OSR entry pruning of Program Bytecodes doesn't take
                    into account catches
           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: msaboff at apple.com

In the baseline, we have an optimization where we prune unreachable code beginning from the instruction we OSR entry to.  This pruning needs to take into account the reachability from local catch statements.

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