[analyzer] Devirtualize StoreManager::evalDerivedToBase(SVal, CastExpr)

This was triggering -Woverloaded-virtual, but there's really no reason for
the cast version to be virtual anyway. It just calls through to the QualType
entry point.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161631 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed