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    54c1961a
    Add a check that objects obtained from the stack in · 54c1961a
    dtc authored
    sub-access-debug-var-slot (x86) are valid.  Debug variable locations
    are not always valid, and on the x86 there can be non-descriptor
    objects on the stack.
    
    Cleanup the sap-ref code in sub-access-debug-var-slot and
    sub-set-debug-var-slot which had been using convoluted code to work
    around sap-ref bugs that have since been fixed.
    54c1961a
    History
    Add a check that objects obtained from the stack in
    dtc authored
    sub-access-debug-var-slot (x86) are valid.  Debug variable locations
    are not always valid, and on the x86 there can be non-descriptor
    objects on the stack.
    
    Cleanup the sap-ref code in sub-access-debug-var-slot and
    sub-set-debug-var-slot which had been using convoluted code to work
    around sap-ref bugs that have since been fixed.