Fixing TestAnonymous to build dwarf where it says it will.

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@193628 91177308-0d34-0410-b5e6-96231b3b80d8
Fixing an issue in yesterday's dynamic type changes where we would not craft a valid SBType given debug information
Added a test case to help us detect regression in this realm



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@193631 91177308-0d34-0410-b5e6-96231b3b80d8