https://github.com/balazs-benics-sonarsource created 
https://github.com/llvm/llvm-project/pull/140035

This change helps with ensuring that the abstract machine call stack is only 
dumped exactly once no matter what checker callback we have the crash in.

Note that some checker callbacks happen outside of dispatchWorkItem, thus they 
need special attention.
This was the case in the past and that is not changed in this patch. Maybe in 
the future we could improve that too.

This patch is motivated by a new downstream checker callback, that is invoked 
for transitioning CFG edges, thus acting on BlockEdge program points. If it 
makes sense, I'd be happy to contribute that too.

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