[Vm-dev] [OpenSmalltalk/opensmalltalk-vm] BitBlt Segmentation Fault with Magic (2^31) value (#447)

[Nicolas Cellier]

I cannot prove that I fixed each and every possible edge case, code is way too complex for human analysis!
But at least the incriminated snippet now pass and I also tried other fancy offsets like 2^63 without crash nor horrible jam on Screen form...


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