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  • Ted Kremenek's avatar
    7020eae0
    Introduce "DefinedOrUnknownSVal" into the SVal class hierarchy, providing a way · 7020eae0
    Ted Kremenek authored 
    to statically type various methods in SValuator/GRState as required either a
defined value or a defined-but-possibly-unknown value. This leads to various
logic cleanups in GRExprEngine, and lets the compiler enforce via type checking
our assumptions about what symbolic values are possibly undefined and what are
not.

Along the way, clean up some of the static analyzer diagnostics regarding the uses of uninitialized values.

llvm-svn: 81579
    7020eae0
    Introduce "DefinedOrUnknownSVal" into the SVal class hierarchy, providing a way
    Ted Kremenek authored 
    to statically type various methods in SValuator/GRState as required either a
defined value or a defined-but-possibly-unknown value. This leads to various
logic cleanups in GRExprEngine, and lets the compiler enforce via type checking
our assumptions about what symbolic values are possibly undefined and what are
not.

Along the way, clean up some of the static analyzer diagnostics regarding the uses of uninitialized values.

llvm-svn: 81579