[Webkit-unassigned] [Bug 176967] New: WSL should have a "logical" mode

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=176967

            Bug ID: 176967
           Summary: WSL should have a "logical" mode
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebGPU
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: fpizlo at apple.com

In this mode:

- thread references (thread T^ and thread T[]) no longer get exempted from the isPrimitive check.  Currently it's OK to have a pointer to a pointer, if it's a thread pointer.  So, thread T^^ is OK but device T^^ is not OK. But, neither of these things are OK in logical, since storing to a pointer to a pointer would break the no-Phi rule of the underlying pointer. It would be like an assignment.

- bunch of control flow constraints on how pointers flow through the program.

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