Add an example command to toggle between disassembly-only and source mode.
Add an example command to toggle between disassembly-only and source mode.

Sometimes you are debugging in source, but you really only want to see
the disassembly.  That's easy to do but you have to set a few variables.
This command toggles between your old values, and a disassembly only mode.


git-svn-id: 4c4cc70b1ef44ba2b7963015e681894188cea27e@300902 91177308-0d34-0410-b5e6-96231b3b80d8

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