Hey Simon heres some info about whats happening, and it may point out whats different
http://stackoverflow.com/questions/384502/what-is-the-bit-size-of-long-on-64-bit-windows namely: pointers on 64bit windows are 64bit, but c ints are 32bit hope that helps! On Sat, Aug 3, 2013 at 5:47 PM, Simon Peyton-Jones <simo...@microsoft.com>wrote: > On 32 bit Windows I get this (with HEAD).**** > > ** ** > > libraries\Win32\Graphics\Win32\GDI\HDC.hs:145:14: Warning:**** > > Literal 2147483648 of type Int overflows**** > > ** ** > > The offending code is:**** > > ** ** > > setTextCharacterExtra dc extra =**** > > failIf (== 0x80000000) "SetTextCharacterExtra" $**** > > c_SetTextCharacterExtra dc extra**** > > ** ** > > The new literal-overflow test objects to 0x80000000 :: Int. I’m not sure > if it should object; in this case we are deliberately using the bit-pattern > for minBound.**** > > ** ** > > Also what happens on a 64-bit architecture?**** > > ** ** > > What should the behaviour here be? **** > > ** ** > > - should we use minBound here?**** > > - what should the new literal-overlflow code do for 0xblah constants?**** > > ** ** > > This is currently breaking the HEAD build.**** > > ** ** > > Simon**** > > _______________________________________________ > ghc-devs mailing list > ghc-devs@haskell.org > http://www.haskell.org/mailman/listinfo/ghc-devs > >
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