A << operation would be undefined for a bit-selecting
function because of a '1u' making it a 32-bit value
when it really needed to be a 64-bit value.  Trivial to fix
once I figured out what was going on.
clang static analzyer fixit.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@220022 91177308-0d34-0410-b5e6-96231b3b80d8
Add null-checks around getter/setter before using them.
clang static analyzer fixit.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@220024 91177308-0d34-0410-b5e6-96231b3b80d8
Add #if 0 around unreachable block of code to suppress warnings.
clang warnings.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@220025 91177308-0d34-0410-b5e6-96231b3b80d8
Break out of the command word parsing loop if we hit
an invalid combination of words; don't accidentally
continue trying to parse the command line.
clang static analysis fixit.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@220026 91177308-0d34-0410-b5e6-96231b3b80d8