patch applied (ghc): Fix a knot-tying bug with ghc --make
Simon Peyton Jones
simonpj at microsoft.com
Wed Aug 1 08:53:22 EDT 2007
Wed Aug 1 05:49:07 PDT 2007 simonpj at microsoft.com
* Fix a knot-tying bug with ghc --make
This bug showed up when I touched Data.Generics.Schemes, and then said
This compiles the base library with --make, and I got an assertion failure
in TcIface. The explanation is in Note [Tying the knot] in TcIface.
As well as fixing the bug, I also impoved the assertion message.
This might fix or improve other knot-tying problems with --make
M ./compiler/iface/TcIface.lhs -18 +35
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