Tidy up the interface to lookupInstEnv

[ghc-hetmet.git] / compiler / typecheck / TcSimplify.lhs

diff --git a/compiler/typecheck/TcSimplify.lhs b/compiler/typecheck/TcSimplify.lhs
index 1f690bc..7deb852 100644 (file)
--- a/compiler/typecheck/TcSimplify.lhs
+++ b/compiler/typecheck/TcSimplify.lhs
@@ -2577,7 +2577,7 @@ report_no_instances tidy_env mb_what insts
                                 quotes (pprWithCommas ppr (varSetElems (tyVarsOfInst dict))),
                              ptext SLIT("Use -fallow-incoherent-instances to use the first choice above")])]
       where
-       ispecs = [ispec | (_, ispec) <- matches]
+       ispecs = [ispec | (ispec, _) <- matches]
 
     mk_no_inst_err insts
       | null insts = empty