Static analyzer: fix bug in handling of dynamic_cast<>.  The sink node wouldn't always be the final node, thus causing the state to continue propagating.  Instead,
recover some path-sensitivity by conjuring a symbol.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128612 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed