Adding a test case for the changes made to ValueObjects to use iteration instead of recursion for navigating to their root - beware: a regression here will most probably cause a crash instead of a failure

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@179863 91177308-0d34-0410-b5e6-96231b3b80d8
Simplified the management of the data buffer for
an Allocation to reduce heap fragmentation and
make the code less brittle (and to make some
buildbots happier).


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@179868 91177308-0d34-0410-b5e6-96231b3b80d8