#13547: ghc: panic! StgCmmEnv: variable not found -------------------------------------+------------------------------------- Reporter: cipher1024 | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.0.1 (CodeGen) | Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: x86_64 Type of failure: Compile-time | (amd64) crash or panic | Test Case: Blocked By: | Blocking: Related Tickets: 10158 | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Description changed by cipher1024: Old description:
When building with `stack build --resolver lts-7.20`
{{{ [37 of 60] Compiling Document.Phase.Proofs ( src/Document/Phase/Proofs.hs, .stack- work/dist/x86_64-osx/Cabal-1.24.0.0/build/Document/Phase/Proofs.o )
<no location info>: error: ghc: panic! (the 'impossible' happened) (GHC version 8.0.1 for x86_64-apple-darwin): StgCmmEnv: variable not found $dTypeable_aZSM local binds for: $sunionWith_$sunionWithKey $sfromList1 $sfromList3 $sfromList $s$fOrdEither $s$fMonadReaderrReaderT $s$fIsTupleconstrIdentity $s$fIsTupleconstr(,,,,) $s$fIsTupleconstr(,,,) $s$fIsTupleconstr(,,) $s$fIsTupleconstr(,,)2 $s$fIsTupleconstr(,)1 $s$fIsTupleconstr(,) $s$fIsTupleconstr(,)2 $s$fHasMachineP2p $fNFDataEventRefA $fMonoidEventRefA $fGenericEventRefA $wmake_phase4 make_phase1 $wpoly_go10 make_phase2 make_phase3 make_phase5 $fNFDataEventRefA4 $fNFDataEventRefA2 $stypeRep#78 $swithCommand8 $stypeRep#54 $swithCommand5 $stypeRep#11 $swithCommand2 $stypeRep#74 $stypeRep#81 $stypeRep#15 $stypeRep#20 $stypeRep#79 $stypeRep#80 $stypeRep#70 $stypeRep#75 $stypeRep#58 $stypeRep#66 $stypeRep#71 $stypeRep#62 $stypeRep#8 $stypeRep#67 $stypeRep#63 $stypeRep#59 $stypeRep#50 $stypeRep#55 $stypeRep#38 $stypeRep#46 $stypeRep#51 $stypeRep#42 $stypeRep#47 $stypeRep#43 $stypeRep#34 $stypeRep#39 $stypeRep#31 $stypeRep#35 $stypeRep#28 $stypeRep#24 $stypeRep#25 $stypeRep#21 $stypeRep#3 $stypeRep#16 $stypeRep#7 $stypeRep#12 $stypeRep#2 $smakeCell8 $smakeCell7 $smakeCell40 $smakeCell39 $smakeCell36 $smakeCell35 $smakeCell32 $smakeCell31 $smakeCell4 $smakeCell28 $smakeCell27 $smakeCell24 $smakeCell23 $smakeCell3 $smakeCell20 $smakeCell19 $smakeCell16 $smakeCell15 $smakeCell12 $smakeCell11 $wpoly_go5 $wgo5 $sfromList_go5 $wpoly_go2 $sfromList2 $s$fOrd(,) $sfromList_fromList'1 $wpoly_go1 $s$fEqEither $s$fOrdEither_$s$fOrdEither_$cp1Ord $s$fEq(,) $s$fOrd(,)_$s$fOrd(,)_$cp1Ord $s$fMonadRWST $s$fMonadReaderrReaderT1 $s$fMonadReaderT $s$fApplicativeReaderT $s$fMonadReaderT_$s$fMonadReaderT_$cfail $s$fMonadReaderT_$s$fMonadReaderT_$c>> $s$fMonadReaderT_$s$fMonadReaderT_$c>>= $s$fMonadReaderT_$s$fMonadReaderT_$cp1Monad $s$fMonadRWST_$s$fMonadRWST_$cfail $s$fMonadRWST_$s$fMonadRWST_$c>> $s$fMonadRWST_$s$fMonadRWST_$c>>= $s$fMonadRWST_$s$fMonadRWST_$cp1Monad $s$fIsTupleconstr(,,,,)_$s$fLatexArg[] $s$fIsTupleconstr(,,,,)1 $s$fIsTupleconstr(,,,)_$s$fLatexArg[] $s$fIsTupleconstr(,,,)_irred2 $s$fIsTupleconstr(,,)_$s$fLatexArg[] $s$fIsTupleconstr(,,)_$dLatexArgFromString $s$fIsTupleconstr(,,)_$s$fLatexArgFromStringConc $s$fIsTupleconstr(,,)_irred1 $s$fIsTupleconstr(,,)_$s$fLatexArgNonEmpty $s$fIsTupleconstr(,,)1 $s$fIsTupleconstr(,)3 $s$fHasMachineP1p $s$fHasMachineP2p1 $s$fHasMachineP2p2 $s$fHasMachineP2p3 $s$fHasMachineP2p4 $s$fHasMachineP2p5 $s$fHasMachineP2p6 $s$fHasMachineP1p_$s$fHasMachineP1p_$cp5HasMachineP1 $s$fHasMachineP1p_$s$fHasMachineP1p_$cp4HasMachineP1 $s$fHasMachineP1p_$s$fHasMachineP1p_$cp3HasMachineP1 $s$fHasMachineP1p_$s$fHasMachineP1p_$cp2HasMachineP1 $s$fHasMachineP1p_$s$fHasMachineP1p_$cp1HasMachineP1 $s$fEq(,)_$dEq1 $s$fEq(,)_$dEq $s$fApplicativeReaderT_$s$fFunctorReaderT_$c<$ $s$fApplicativeReaderT_$s$fFunctorReaderT_$cfmap $s$fApplicativeReaderT_$s$fFunctorReaderT $s$fApplicativeRWST $s$fApplicativeReaderT_$dApplicative $s$fApplicativeReaderT_$s$fApplicativeReaderT_$c<*> $s$fApplicativeReaderT_$s$fMonadReaderT_$creturn $s$fApplicativeReaderT_$s$fApplicativeReaderT_$cp1Applicative $s$fApplicativeRWST_$dFunctor $s$fApplicativeRWST_$s$fApplicativeRWST_$c<*> $s$fApplicativeRWST_$s$fApplicativeRWST_$cpure $s$fApplicativeRWST_$s$fApplicativeRWST_$cp1Applicative $fNFDataEventRefA1 $fNFDataEventRefA3 $w$dNFData2 $w$dNFData1 $w$dNFData $fNFDataEventRefA_$crnf $wgo $fMonoidEventRefA_$cmconcat $fMonoidEventRefA_$cmappend $fMonoidEventRefA_$cmempty $fGenericEventRefA_$cto $fGenericEventRefA_$cfrom make_phase4 ruleProxies_rSKY refinement_parser_rSL2 $w$smiddle $w$sgreater $sfilterGt1 $sfilterLt1 $sinsert_$sgo10 $sinsert_$sgo5 $sleadsTo1 $wpoly_go3 $wpoly_go4 $slookup5 $slookup7 $smakeCell2 $smakeCell6 $smakeCell10 $smakeCell14 $smakeCell18 $smakeCell22 $smakeCell26 $smakeCell30 $smakeCell34 $smakeCell38 $wpoly_go6 $wpoly_go7 $wpoly_go8 $sshowStringP1 $strim1 $strim3 $sunions1 $sunless_eta $swithCommand1 $swithCommand4 $swithCommand7 lvl_r2714 lvl1_r2715 go_r2716 $wgo1_r2717 lvl2_r2718 lvl3_r2719 lvl4_r271a lvl5_r271b lvl6_r271c lvl7_r271d lvl8_r271e lvl9_r271f lvl10_r271g lvl11_r271h lvl12_r271i lvl13_r271j lvl14_r271k lvl15_r271l lvl16_r271m lvl17_r271n lvl18_r271o lvl19_r271p lvl20_r271q lvl21_r271r lvl22_r271s lvl23_r271t lvl24_r271u lvl25_r271v lvl26_r271w lvl27_r271x lvl28_r271y lvl29_r271z lvl30_r271A lvl31_r271B lvl32_r271C lvl33_r271D lvl34_r271E lvl35_r271F lvl36_r271G lvl37_r271H lvl38_r271I lvl39_r271J lvl40_r271K lvl49_r2723 lvl50_r2724 lvl51_r2725 lvl52_r2726 lvl53_r2727 lvl54_r2728 lvl55_r2729 lvl56_r272a lvl57_r272b lvl58_r272c lvl59_r272d lvl60_r272e lvl61_r272f lvl62_r272g lvl63_r272h lvl64_r272i lvl65_r272j lvl66_r272k lvl67_r272l lvl68_r272m lvl69_r272n lvl70_r272o lvl71_r272p lvl72_r272q $s$fApplicativeRWST_$c<*>_r272u $s$fApplicativeRWST_$cpure_r272v lvl74_r272w lvl75_r272x lvl76_r272y $s$fMonadRWST_$c>>_r272z $s$fMonadRWST_$cfail_r272A $s$fMonadRWST_$c>>=_r272B lvl77_r272C lvl78_r272D lvl79_r272E lvl80_r272F lvl81_r272G lvl82_r272H $slesser1_r272S lvl88_r272T lvl89_r272U $wcreate_r272V lvl90_r272W m2_r272X $s$fMonadReaderT_$c>>_r272Y $s$fMonadReaderT_$c>>=_r272Z go10_r2730 $wpoly_create_r2731 lvl91_r2732 lvl92_r2733 lvl93_r2734 lvl94_r2735 lvl95_r2736 lvl96_r2737 lvl97_r2738 lvl98_r2739 lvl99_r273a lvl100_r273b lvl101_r273c lvl102_r273d lvl103_r273e lvl104_r273f lvl105_r273g lvl106_r273h lvl107_r273i lvl108_r273j lvl109_r273k lvl110_r273l lvl111_r273m lvl112_r273n lvl113_r273o lvl114_r273p lvl115_r273q lvl116_r273r lvl117_r273s lvl118_r273t lvl119_r273u lvl120_r273v lvl121_r273w lvl122_r273x lvl123_r273y lvl124_r273z $wpoly_create1_r273A lvl125_r273B lvl126_r273C lvl127_r273D lvl128_r273E lvl129_r273F lvl130_r273G lvl131_r273H lvl132_r273I lvl133_r273J lvl134_r273K lvl135_r273L $wlvl_r273M lvl136_r273N $wlvl1_r273O lvl137_r273P $wlvl2_r273Q lvl138_r273R $wlvl3_r273S lvl139_r273T $wlvl4_r273U lvl140_r273V $wlvl5_r273W lvl141_r273X $wlvl6_r273Y lvl142_r273Z lvl143_r2740 lvl144_r2741 lvl145_r2742 lvl146_r2743 lvl147_r2744 lvl148_r2745 lvl149_r2746 lvl150_r2747 lvl151_r2748 lvl152_r2749 lvl153_r274a lvl154_r274b $s$fFunctorReaderT_$cfmap_r274c $s$fFunctorReaderT_$c<$_r274d lvl155_r274e lvl156_r274f $s$fApplicativeReaderT_$c<*>_r274g $s$fMonadReaderT_$creturn_r274h $s$fMonadReaderT_$cfail_r274i lvl157_r274j lvl158_r274k lvl159_r274l lvl160_r274m $d~_r274n lvl161_r274p lvl162_r274q lvl163_r274s lvl164_r274t lvl165_r274v lvl166_r274w lvl167_r274y lvl168_r274z lvl169_r274B lvl170_r274C lvl171_r274E lvl172_r274F lvl173_r274H lvl174_r274I lvl175_r274K lvl176_r274L lvl177_r274N lvl178_r274O lvl179_r274Q lvl180_r274R lvl181_r274T lvl182_r274U lvl183_r274V lvl184_r274W lvl185_r274X lvl186_r274Y lvl187_r274Z lvl188_r2750 lvl189_r2751 lvl190_r2752 lvl191_r2753 lvl192_r2754 lvl193_r2755 lvl194_r2756 lvl195_r2757 lvl196_r2758 lvl197_r2759 lvl198_r275a lvl199_r275b lvl200_r275c lvl201_r275d lvl202_r275e lvl203_r275f lvl204_r275g lvl205_r275h lvl206_r275i lvl207_r275j lvl208_r275k lvl209_r275l lvl210_r275m lvl211_r275n lvl212_r275o lvl213_r275p lvl214_r275q lvl215_r275r lvl216_r275s lvl217_r275t lvl218_r275u lvl219_r275v lvl220_r275w ww1_r275x ww2_r275y lvl221_r275z ww3_r275A lvl222_r275B pre_r275C x_s27MP eta_s27MQ eta1_s27MR ds_s27MS ds1_s27MT ds2_s27MU ds3_s27MV goal_s27MW prxy'_s27MX sat_s27MY
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug }}}
New description: When building with `stack build --resolver lts-7.20`and `stack build --resolver lts-8.8`, i.e. with ghc-8.0.1 and ghc-8.0.2. {{{ [37 of 60] Compiling Document.Phase.Proofs ( src/Document/Phase/Proofs.hs, .stack- work/dist/x86_64-osx/Cabal-1.24.0.0/build/Document/Phase/Proofs.o ) <no location info>: error: ghc: panic! (the 'impossible' happened) (GHC version 8.0.1 for x86_64-apple-darwin): StgCmmEnv: variable not found $dTypeable_aZSM local binds for: $sunionWith_$sunionWithKey $sfromList1 $sfromList3 $sfromList $s$fOrdEither $s$fMonadReaderrReaderT $s$fIsTupleconstrIdentity $s$fIsTupleconstr(,,,,) $s$fIsTupleconstr(,,,) $s$fIsTupleconstr(,,) $s$fIsTupleconstr(,,)2 $s$fIsTupleconstr(,)1 $s$fIsTupleconstr(,) $s$fIsTupleconstr(,)2 $s$fHasMachineP2p $fNFDataEventRefA $fMonoidEventRefA $fGenericEventRefA $wmake_phase4 make_phase1 $wpoly_go10 make_phase2 make_phase3 make_phase5 $fNFDataEventRefA4 $fNFDataEventRefA2 $stypeRep#78 $swithCommand8 $stypeRep#54 $swithCommand5 $stypeRep#11 $swithCommand2 $stypeRep#74 $stypeRep#81 $stypeRep#15 $stypeRep#20 $stypeRep#79 $stypeRep#80 $stypeRep#70 $stypeRep#75 $stypeRep#58 $stypeRep#66 $stypeRep#71 $stypeRep#62 $stypeRep#8 $stypeRep#67 $stypeRep#63 $stypeRep#59 $stypeRep#50 $stypeRep#55 $stypeRep#38 $stypeRep#46 $stypeRep#51 $stypeRep#42 $stypeRep#47 $stypeRep#43 $stypeRep#34 $stypeRep#39 $stypeRep#31 $stypeRep#35 $stypeRep#28 $stypeRep#24 $stypeRep#25 $stypeRep#21 $stypeRep#3 $stypeRep#16 $stypeRep#7 $stypeRep#12 $stypeRep#2 $smakeCell8 $smakeCell7 $smakeCell40 $smakeCell39 $smakeCell36 $smakeCell35 $smakeCell32 $smakeCell31 $smakeCell4 $smakeCell28 $smakeCell27 $smakeCell24 $smakeCell23 $smakeCell3 $smakeCell20 $smakeCell19 $smakeCell16 $smakeCell15 $smakeCell12 $smakeCell11 $wpoly_go5 $wgo5 $sfromList_go5 $wpoly_go2 $sfromList2 $s$fOrd(,) $sfromList_fromList'1 $wpoly_go1 $s$fEqEither $s$fOrdEither_$s$fOrdEither_$cp1Ord $s$fEq(,) $s$fOrd(,)_$s$fOrd(,)_$cp1Ord $s$fMonadRWST $s$fMonadReaderrReaderT1 $s$fMonadReaderT $s$fApplicativeReaderT $s$fMonadReaderT_$s$fMonadReaderT_$cfail $s$fMonadReaderT_$s$fMonadReaderT_$c>> $s$fMonadReaderT_$s$fMonadReaderT_$c>>= $s$fMonadReaderT_$s$fMonadReaderT_$cp1Monad $s$fMonadRWST_$s$fMonadRWST_$cfail $s$fMonadRWST_$s$fMonadRWST_$c>> $s$fMonadRWST_$s$fMonadRWST_$c>>= $s$fMonadRWST_$s$fMonadRWST_$cp1Monad $s$fIsTupleconstr(,,,,)_$s$fLatexArg[] $s$fIsTupleconstr(,,,,)1 $s$fIsTupleconstr(,,,)_$s$fLatexArg[] $s$fIsTupleconstr(,,,)_irred2 $s$fIsTupleconstr(,,)_$s$fLatexArg[] $s$fIsTupleconstr(,,)_$dLatexArgFromString $s$fIsTupleconstr(,,)_$s$fLatexArgFromStringConc $s$fIsTupleconstr(,,)_irred1 $s$fIsTupleconstr(,,)_$s$fLatexArgNonEmpty $s$fIsTupleconstr(,,)1 $s$fIsTupleconstr(,)3 $s$fHasMachineP1p $s$fHasMachineP2p1 $s$fHasMachineP2p2 $s$fHasMachineP2p3 $s$fHasMachineP2p4 $s$fHasMachineP2p5 $s$fHasMachineP2p6 $s$fHasMachineP1p_$s$fHasMachineP1p_$cp5HasMachineP1 $s$fHasMachineP1p_$s$fHasMachineP1p_$cp4HasMachineP1 $s$fHasMachineP1p_$s$fHasMachineP1p_$cp3HasMachineP1 $s$fHasMachineP1p_$s$fHasMachineP1p_$cp2HasMachineP1 $s$fHasMachineP1p_$s$fHasMachineP1p_$cp1HasMachineP1 $s$fEq(,)_$dEq1 $s$fEq(,)_$dEq $s$fApplicativeReaderT_$s$fFunctorReaderT_$c<$ $s$fApplicativeReaderT_$s$fFunctorReaderT_$cfmap $s$fApplicativeReaderT_$s$fFunctorReaderT $s$fApplicativeRWST $s$fApplicativeReaderT_$dApplicative $s$fApplicativeReaderT_$s$fApplicativeReaderT_$c<*> $s$fApplicativeReaderT_$s$fMonadReaderT_$creturn $s$fApplicativeReaderT_$s$fApplicativeReaderT_$cp1Applicative $s$fApplicativeRWST_$dFunctor $s$fApplicativeRWST_$s$fApplicativeRWST_$c<*> $s$fApplicativeRWST_$s$fApplicativeRWST_$cpure $s$fApplicativeRWST_$s$fApplicativeRWST_$cp1Applicative $fNFDataEventRefA1 $fNFDataEventRefA3 $w$dNFData2 $w$dNFData1 $w$dNFData $fNFDataEventRefA_$crnf $wgo $fMonoidEventRefA_$cmconcat $fMonoidEventRefA_$cmappend $fMonoidEventRefA_$cmempty $fGenericEventRefA_$cto $fGenericEventRefA_$cfrom make_phase4 ruleProxies_rSKY refinement_parser_rSL2 $w$smiddle $w$sgreater $sfilterGt1 $sfilterLt1 $sinsert_$sgo10 $sinsert_$sgo5 $sleadsTo1 $wpoly_go3 $wpoly_go4 $slookup5 $slookup7 $smakeCell2 $smakeCell6 $smakeCell10 $smakeCell14 $smakeCell18 $smakeCell22 $smakeCell26 $smakeCell30 $smakeCell34 $smakeCell38 $wpoly_go6 $wpoly_go7 $wpoly_go8 $sshowStringP1 $strim1 $strim3 $sunions1 $sunless_eta $swithCommand1 $swithCommand4 $swithCommand7 lvl_r2714 lvl1_r2715 go_r2716 $wgo1_r2717 lvl2_r2718 lvl3_r2719 lvl4_r271a lvl5_r271b lvl6_r271c lvl7_r271d lvl8_r271e lvl9_r271f lvl10_r271g lvl11_r271h lvl12_r271i lvl13_r271j lvl14_r271k lvl15_r271l lvl16_r271m lvl17_r271n lvl18_r271o lvl19_r271p lvl20_r271q lvl21_r271r lvl22_r271s lvl23_r271t lvl24_r271u lvl25_r271v lvl26_r271w lvl27_r271x lvl28_r271y lvl29_r271z lvl30_r271A lvl31_r271B lvl32_r271C lvl33_r271D lvl34_r271E lvl35_r271F lvl36_r271G lvl37_r271H lvl38_r271I lvl39_r271J lvl40_r271K lvl49_r2723 lvl50_r2724 lvl51_r2725 lvl52_r2726 lvl53_r2727 lvl54_r2728 lvl55_r2729 lvl56_r272a lvl57_r272b lvl58_r272c lvl59_r272d lvl60_r272e lvl61_r272f lvl62_r272g lvl63_r272h lvl64_r272i lvl65_r272j lvl66_r272k lvl67_r272l lvl68_r272m lvl69_r272n lvl70_r272o lvl71_r272p lvl72_r272q $s$fApplicativeRWST_$c<*>_r272u $s$fApplicativeRWST_$cpure_r272v lvl74_r272w lvl75_r272x lvl76_r272y $s$fMonadRWST_$c>>_r272z $s$fMonadRWST_$cfail_r272A $s$fMonadRWST_$c>>=_r272B lvl77_r272C lvl78_r272D lvl79_r272E lvl80_r272F lvl81_r272G lvl82_r272H $slesser1_r272S lvl88_r272T lvl89_r272U $wcreate_r272V lvl90_r272W m2_r272X $s$fMonadReaderT_$c>>_r272Y $s$fMonadReaderT_$c>>=_r272Z go10_r2730 $wpoly_create_r2731 lvl91_r2732 lvl92_r2733 lvl93_r2734 lvl94_r2735 lvl95_r2736 lvl96_r2737 lvl97_r2738 lvl98_r2739 lvl99_r273a lvl100_r273b lvl101_r273c lvl102_r273d lvl103_r273e lvl104_r273f lvl105_r273g lvl106_r273h lvl107_r273i lvl108_r273j lvl109_r273k lvl110_r273l lvl111_r273m lvl112_r273n lvl113_r273o lvl114_r273p lvl115_r273q lvl116_r273r lvl117_r273s lvl118_r273t lvl119_r273u lvl120_r273v lvl121_r273w lvl122_r273x lvl123_r273y lvl124_r273z $wpoly_create1_r273A lvl125_r273B lvl126_r273C lvl127_r273D lvl128_r273E lvl129_r273F lvl130_r273G lvl131_r273H lvl132_r273I lvl133_r273J lvl134_r273K lvl135_r273L $wlvl_r273M lvl136_r273N $wlvl1_r273O lvl137_r273P $wlvl2_r273Q lvl138_r273R $wlvl3_r273S lvl139_r273T $wlvl4_r273U lvl140_r273V $wlvl5_r273W lvl141_r273X $wlvl6_r273Y lvl142_r273Z lvl143_r2740 lvl144_r2741 lvl145_r2742 lvl146_r2743 lvl147_r2744 lvl148_r2745 lvl149_r2746 lvl150_r2747 lvl151_r2748 lvl152_r2749 lvl153_r274a lvl154_r274b $s$fFunctorReaderT_$cfmap_r274c $s$fFunctorReaderT_$c<$_r274d lvl155_r274e lvl156_r274f $s$fApplicativeReaderT_$c<*>_r274g $s$fMonadReaderT_$creturn_r274h $s$fMonadReaderT_$cfail_r274i lvl157_r274j lvl158_r274k lvl159_r274l lvl160_r274m $d~_r274n lvl161_r274p lvl162_r274q lvl163_r274s lvl164_r274t lvl165_r274v lvl166_r274w lvl167_r274y lvl168_r274z lvl169_r274B lvl170_r274C lvl171_r274E lvl172_r274F lvl173_r274H lvl174_r274I lvl175_r274K lvl176_r274L lvl177_r274N lvl178_r274O lvl179_r274Q lvl180_r274R lvl181_r274T lvl182_r274U lvl183_r274V lvl184_r274W lvl185_r274X lvl186_r274Y lvl187_r274Z lvl188_r2750 lvl189_r2751 lvl190_r2752 lvl191_r2753 lvl192_r2754 lvl193_r2755 lvl194_r2756 lvl195_r2757 lvl196_r2758 lvl197_r2759 lvl198_r275a lvl199_r275b lvl200_r275c lvl201_r275d lvl202_r275e lvl203_r275f lvl204_r275g lvl205_r275h lvl206_r275i lvl207_r275j lvl208_r275k lvl209_r275l lvl210_r275m lvl211_r275n lvl212_r275o lvl213_r275p lvl214_r275q lvl215_r275r lvl216_r275s lvl217_r275t lvl218_r275u lvl219_r275v lvl220_r275w ww1_r275x ww2_r275y lvl221_r275z ww3_r275A lvl222_r275B pre_r275C x_s27MP eta_s27MQ eta1_s27MR ds_s27MS ds1_s27MT ds2_s27MU ds3_s27MV goal_s27MW prxy'_s27MX sat_s27MY Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug }}} -- -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13547#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler