On Sat, Jan 31, 2015 at 11:09 AM, Herbert Valerio Riedel <hvrie...@gmail.com > wrote:
> On 2015-01-31 at 14:34:35 +0100, George Colpitts wrote: > > Maybe this is something I shouldn't be doing, but I thought it was worth > > mentioning in case I have found a compiler bug. > > Should I file a bug for this? > > > > cabal install *--allow-newer=base* accelerate > > ... > > [10 of 10] Compiling Data.Label.Base ( src/Data/Label/Base.hs, > > dist/build/Data/Label/Base.o ) > > ghc: internal error: PAP object entered! > > (GHC version 7.10.0.20150123 for x86_64_apple_darwin) > > Please report this as a GHC bug: > http://www.haskell.org/ghc/reportabug > > I suspect this has to do with `--allow-newer=base` allowing > template-haskell-2.9.0.0 to be re-installed (which then becomes a > build-dependency of `fclabels`). GHC 7.10, however, comes with > template-haskell-2.10.0.0 > Ah yes, you're exactly right. I didn't encounter this when I tried to reproduce the issue because I have a bunch of lines like "constraint: template-haskell installed" in my .cabal/config file. Regards, Reid Barton
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