Probable fix: add INLINEABLE pragma on ?HsDecls.$fOutputableHsDecl_$cppr?

compiler/hsSyn/Convert.hs: warning:
    Could not specialise imported function ?HsDecls.$fOutputableHsDecl_$cppr?
      when specialising ?HsDecls.$fOutputableHsDecl?
    Probable fix: add INLINEABLE pragma on ?HsDecls.$fOutputableHsDecl_$cppr?

compiler/hsSyn/Convert.hs: warning:
    Could not specialise imported function ?HsDecls.$wpprDataFamInstDecl?
      when specialising ?HsDecls.pprDataFamInstDecl?
      when specialising ?HsDecls.$fOutputableDataFamInstDecl_$cpprPrec?
      when specialising ?HsDecls.$fOutputableDataFamInstDecl?
    Probable fix: add INLINEABLE pragma on ?HsDecls.$wpprDataFamInstDecl?

compiler/hsSyn/Convert.hs: warning:
    Could not specialise imported function ?Data.Traversable.$fTraversableFirst_$ctraverse?
    Probable fix: add INLINEABLE pragma on ?Data.Traversable.$fTraversableFirst_$ctraverse?
<<ghc: 2032413860 bytes, 231 GCs, 19971620/63321952 avg/max bytes residency (9 samples), 140M in use, 0.000 INIT (0.000 elapsed), 4.083 MUT (4.561 elapsed), 1.510 GC (1.682 elapsed) :ghc>>
"inplace/bin/ghc-stage1" -hisuf hi -osuf  o -hcsuf hc -static  -H32m -O -Wall     -this-package-key J65NTKk1pCi0PD1opscy8V -hide-all-packages -i -icompiler/backpack -icompiler/basicTypes -icompiler/cmm -icompiler/codeGen -icompiler/coreSyn -icompiler/deSugar -icompiler/ghci -icompiler/hsSyn -icompiler/iface -icompiler/llvmGen -icompiler/main -icompiler/nativeGen -icompiler/parser -icompiler/prelude -icompiler/profiling -icompiler/rename -icompiler/simplCore -icompiler/simplStg -icompiler/specialise -icompiler/stgSyn -icompiler/stranal -icompiler/typecheck -icompiler/types -icompiler/utils -icompiler/vectorise -icompiler/stage2/build -icompiler/stage2/build/autogen -Icompiler/stage2/build -Icompiler/stage2/build/autogen -Icompiler/. -Icompiler/parser -Icompiler/utils -Icompiler/../rts/dist/build -Icompiler/stage2   -optP-DGHCI -optP-include -optPcompiler/stage2/build/autogen/cabal_macros.h -package-id array-0.5.1.0-inplace -package-id base-4.8.2.0-inplace -package-id bin-package-db-0.0.0.0-inplace -package-id bytestring-0.10.6.0-inplace -package-id containers-0.5.6.2-inplace -package-id directory-1.2.2.0-inplace -package-id filepath-1.4.0.0-inplace -package-id hoopl-3.10.0.2-inplace -package-id hpc-0.6.0.2-inplace -package-id process-1.2.3.0-inplace -package-id template-haskell-2.11.0.0-inplace -package-id time-1.5.0.1-inplace -package-id transformers-0.4.3.0-inplace -package-id unix-2.7.1.0-inplace -Wall -fno-warn-name-shadowing -this-package-key ghc -XHaskell2010 -optc-DTHREADED_RTS -DGHCI_TABLES_NEXT_TO_CODE -DSTAGE=2 -Rghc-timing -O2 -fwarn-tabs  -no-user-package-db -rtsopts      -odir compiler/stage2/build -hidir compiler/stage2/build -stubdir compiler/stage2/build  -dynamic-too -c compiler/typecheck/TcSplice.hs -o compiler/stage2/build/TcSplice.o -dyno compiler/stage2/build/TcSplice.dyn_o

compiler/typecheck/TcSplice.hs:1231:29: error:
    Couldn't match type ?(Type, SrcSpan)? with ?Type?
    Expected type: Maybe Type
      Actual type: Maybe (Type, SrcSpan)
    In the third argument of ?maybe?, namely ?def?
    In the second argument of ?(<$>)?, namely
      ?maybe (return []) (fmap (: []) . reifyDefImpl tyName tyArgs) def?
<<ghc: 497426308 bytes, 151 GCs, 15412421/56064616 avg/max bytes residency (8 samples), 120M in use, 0.000 INIT (0.000 elapsed), 0.846 MUT (0.978 elapsed), 0.579 GC (0.691 elapsed) :ghc>>
gmake[1]: *** [compiler/stage2/build/TcSplice.o] Error 1
gmake: *** [all] Error 2