Added fuzz testing for when we call API calls with an invalid object.
We previously weren't catching that SBValue::Cast(...) would crash
if we had an invalid (empty) SBValue object.

Cleaned up the SBType API a bit.



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@149447 91177308-0d34-0410-b5e6-96231b3b80d8
6 files changed