I spotted a possible problem while looking at the request processing
code. There is a function in pint-request.c called "PINT_request_disp"
that calculates an integer return value by summing together 64 bit
offsets. On a 32 bit machine this might lead to an overflow.
I don't know enough about the request processor to know how to trigger
it for testing, though. I have added some print statements to this
function to see what kind of values come out, but it always returns zero
when I do contiguous reads and writes. I assume that you would have to
build a complex datatype of some sort to exercise it.
-Phil
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