Patch from Andrew Kaylor andrew.kaylor@intel.com to have Thread::ResetFrameZeroRegisters() clear the UnwindLLDB object when resetting the thread's register state.
Patch from Andrew Kaylor andrew.kaylor@intel.com to have
Thread::ResetFrameZeroRegisters() clear the UnwindLLDB object when
resetting the thread's register state.


git-svn-id: 4c4cc70b1ef44ba2b7963015e681894188cea27e@167910 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,llvm-mirror/lldb,llvm-mirror/lldb,llvm-mirror/lldb,llvm-mirror/lldb,apple/swift-lldb,apple/swift-lldb,llvm-mirror/lldb,apple/swift-lldb