| So, the fold/build rule is being applied even if you run GHC with
| -fno-foldr-build-on. I RTFSed, and it appears that the only place in
GHC
| where the -ffoldr-build-on command-line option is looked at is in
| DsListComp.lhs.
|
| In the flag reference in the manual, the effect of
Bugs item #759910, was opened at 2003-06-24 16:14
Message generated for change (Comment added) made by simonpj
You can respond by visiting:
https://sourceforge.net/tracker/?func=detailatid=108032aid=759910group_id=8032
Category: Compiler
Group: None
Status: Closed
Resolution: Wont Fix
Priority:
As far as I can tell, trying to reify any declaration, even one as simple
as
x :: ()
x = ()
will result in a message similar to
ghc-6.0: panic! (the `impossible' happened, GHC version 6.0):
dsReify reifyDecl Minimal.x {- v rNZ -}
This is using the gentoo-packaged 6.0 release.
Abe
