[Webkit-unassigned] [Bug 160792] New: OverridesHasInstance should not branch across register allocations.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=160792

            Bug ID: 160792
           Summary: OverridesHasInstance should not branch across register
                    allocations.
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mark.lam at apple.com

The OverrideHasInstance node has a branch test that is emitted conditionally.  It also has a bug where it allocated a register after this branch.  Because the branch isn't always emitted, this bug has gone unnoticed until now.  Will fix.

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