[Webkit-unassigned] [Bug 204258] New: Do some constant-folding of inc and dec in the abstract interpreter

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=204258

            Bug ID: 204258
           Summary: Do some constant-folding of inc and dec in the
                    abstract interpreter
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Enhancement
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: rmorisset at apple.com

It is not clear that it would bring us anything, since DFGFixupPhase should be smart enough to notice constants and replace the entire operation by {Arith, Value}{Add, Sub} (which is already optimized by DFGAbstractInterpreterInlines.h).

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