[Webkit-unassigned] [Bug 149931] New: DFG SSA should remove unreachable code

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=149931

            Bug ID: 149931
           Summary: DFG SSA should remove unreachable code
    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

We already sometimes remove unreachable code, but in case AI proves that some code is unreachable, we sort of keep it around. This is mostly OK because everyone sort of knows that it's unreachable. But it would be easier for the compiler if it was removed entirely.

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