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Doing the smart canonicalization only if we are not simplifying a Rule LHS.
[ghc-hetmet.git]
/
compiler
/
typecheck
/
TcSMonad.lhs
diff --git
a/compiler/typecheck/TcSMonad.lhs
b/compiler/typecheck/TcSMonad.lhs
index
0920a8b
..
edeb5cb
100644
(file)
--- a/
compiler/typecheck/TcSMonad.lhs
+++ b/
compiler/typecheck/TcSMonad.lhs
@@
-460,6
+460,7
@@
data SimplContext
| SimplRuleLhs -- Inferring type of a RULE lhs
| SimplInteractive -- Inferring type at GHCi prompt
| SimplCheck -- Checking a type signature or RULE rhs
+ deriving Eq
instance Outputable SimplContext where
ppr SimplInfer = ptext (sLit "SimplInfer")