Put a try/catch block around the SBAddress setting; don't want to  terminate the command early if we happen to have an invalid load address.
Put a try/catch block around the SBAddress setting; don't want to 
terminate the command early if we happen to have an invalid load
address.


git-svn-id: 4c4cc70b1ef44ba2b7963015e681894188cea27e@180826 91177308-0d34-0410-b5e6-96231b3b80d8

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