[Webkit-unassigned] [Bug 55030] New: [Patch] Add sanity checks

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=55030

           Summary: [Patch] Add sanity checks
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Enhancement
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: harry at kdevelop.org


Add sanity checks when storing the global VTables.

When linking statically, some aggressive compilers might optimize
out the vtable from JSArray and friends if it can statically resolve
all function calls. In this case, the assumption that the first data
member in the class points to the VTable is wrong. To catch those
cases early on, a few ASSERTs were added.

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