ProcessMinidump: Suppress reporting stop for signal '0'
The minidump exception stream can report an exception record with
signal 0. If we try to create a stop reason with signal zero, processing
of the stop event won't find anything, and the debugger will hang.
So, simply early-out of RefreshStateAfterStop in this case.
Also set the UnixSignals object in DoLoadCore as is done for
Reviewers: labath, clayborg, jfb
Reviewed By: labath, clayborg
Subscribers: dexonsmith, lldb-commits
Differential Revision: https://reviews.llvm.org/D68096