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Commit 843c5382 authored by Ted Kremenek's avatar Ted Kremenek
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RegionStore/BasicStore: do not return UndefinedVal for accesses to concrete... 

RegionStore/BasicStore: do not return UndefinedVal for accesses to concrete addresses; instead return UnknownVal.  This
leads it up to checkers (e.g., DereferenceChecker) to guard against illegal accesses (e.g., null dereferences).

Fixes PR 5272 and <rdar://problem/6839683>.

llvm-svn: 118852
parent 667429d6
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