[fpc-devel] Internal error with division by QWord (Issue #33004)

Florian Klämpfl florian at freepascal.org
Thu Jan 11 22:03:12 CET 2018

Am 11.01.2018 um 21:46 schrieb J. Gareth Moreton:
> So while testing some proposed optimisations for how div and mod operations are compiled, I came across an 
> internal error in the compiler.
> https://bugs.freepascal.org/view.php?id=33004
> I haven't yet delved into the location of Internal error 200706094, but something worth bringing up because it 
> is a fairly fundamental flaw with a relatively simple operation.
> Possibly related, but the compiler automatically treats numbers larger than or equal to $8000000000000000 as 
> signed (Int64) regardless of the context or what it's being assigned to (this usually involves compiler 
> warnings, but also involves causing div to be signed instead of unsigned unless the constant is explicitly 
> typecast, which raises the aforementioned internal error on 'div', but not 'mod').

I solved it meanwhile.

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