Fixed printf build warning.

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@183250 91177308-0d34-0410-b5e6-96231b3b80d8
Make sure a core file has thread contexts before we try and load it.



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@183252 91177308-0d34-0410-b5e6-96231b3b80d8
Add a more clear explanation of what is missing for core files with no LC_THREAD load commands.



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@183253 91177308-0d34-0410-b5e6-96231b3b80d8
<rdar://problem/14003462>

Formatters for unsigned char* and const variant

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@183254 91177308-0d34-0410-b5e6-96231b3b80d8