[GHC] #12824: crashed when install debian on ubuntu 16.06 in Hyper-V VM

GHC ghc-devs at haskell.org
Fri Nov 11 11:19:09 UTC 2016


#12824: crashed when install debian on ubuntu 16.06 in Hyper-V VM
-------------------------------------+-------------------------------------
           Reporter:  Qinka95        |             Owner:
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  Compiler       |           Version:  8.0.1
           Keywords:                 |  Operating System:  Linux
       Architecture:  x86_64         |   Type of failure:  Compile-time
  (amd64)                            |  crash or panic
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
-------------------------------------+-------------------------------------
 When installing the package (debian-3.91.1), ghc(8.0.1) crashed.

 And output these:

 {{{
 ghc: panic! (the 'impossible' happened)
   (GHC version 8.0.1 for x86_64-unknown-linux):
         find_tycon
   Loc
   []

 Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug
 }}}

 And the full output when installing debian are here:
 {{{

 $ cabal install debian
 Resolving dependencies...
 cabal: Entering directory '/tmp/cabal-tmp-31302/debian-3.91.1'
 Configuring debian-3.91.1...
 Building debian-3.91.1...
 Preprocessing library debian-3.91.1...
 [ 1 of 37] Compiling Debian.UTF8      ( Debian/UTF8.hs,
 dist/build/Debian/UTF8.o )
 [ 2 of 37] Compiling Debian.Version.Internal ( Debian/Version/Internal.hs,
 dist/build/Debian/Version/Internal.o )
 [ 3 of 37] Compiling Debian.Extra.Files ( Debian/Extra/Files.hs,
 dist/build/Debian/Extra/Files.o )
 [ 4 of 37] Compiling Debian.Loc       ( Debian/Loc.hs,
 dist/build/Debian/Loc.o )
 [ 5 of 37] Compiling Debian.Pretty    ( Debian/Pretty.hs,
 dist/build/Debian/Pretty.o )
 [ 6 of 37] Compiling Debian.Version.Common ( Debian/Version/Common.hs,
 dist/build/Debian/Version/Common.o )
 [ 7 of 37] Compiling Debian.Version.String ( Debian/Version/String.hs,
 dist/build/Debian/Version/String.o )
 [ 8 of 37] Compiling Debian.Version.Text ( Debian/Version/Text.hs,
 dist/build/Debian/Version/Text.o )
 [ 9 of 37] Compiling Debian.Arch      ( Debian/Arch.hs,
 dist/build/Debian/Arch.o )
 [10 of 37] Compiling Debian.Time      ( Debian/Time.hs,
 dist/build/Debian/Time.o )

 Debian/Time.hs:23:19: warning: [-Wdeprecations]
     In the use of ‘parseTime’
     (imported from Data.Time, but defined in
 time-1.6.0.1:Data.Time.Format.Parse):
     Deprecated: "use "parseTimeM True" instead"
 [11 of 37] Compiling Debian.URI       ( Debian/URI.hs,
 dist/build/Debian/URI.o )
 [12 of 37] Compiling Debian.Release   ( Debian/Release.hs,
 dist/build/Debian/Release.o )
 [13 of 37] Compiling Debian.Sources   ( Debian/Sources.hs,
 dist/build/Debian/Sources.o )
 [14 of 37] Compiling Debian.Control.Common ( Debian/Control/Common.hs,
 dist/build/Debian/Control/Common.o )

 Debian/Control/Common.hs:75:1: warning: [-Wredundant-constraints]
     • Redundant constraint: ControlFunctions a
     • In the type signature for:
            protectFieldText' :: (StringLike a, ListLike a Char,
                                  ControlFunctions a) =>
                                 a -> a

 Debian/Control/Common.hs:158:1: warning: [-Wredundant-constraints]
     • Redundant constraint: Eq a
     • In the type signature for:
            raiseFields :: Eq a => (a -> Bool) -> Paragraph' a ->
 Paragraph' a
 [15 of 37] Compiling Debian.Control.String ( Debian/Control/String.hs,
 dist/build/Debian/Control/String.o )
 [16 of 37] Compiling Debian.Deb       ( Debian/Deb.hs,
 dist/build/Debian/Deb.o )
 [17 of 37] Compiling Debian.Apt.Methods ( Debian/Apt/Methods.hs,
 dist/build/Debian/Apt/Methods.o )

 Debian/Apt/Methods.hs:28:1: warning: [-Wdeprecations]
     Module ‘Control.Monad.Error’ is deprecated:
       Use Control.Monad.Except instead
 [18 of 37] Compiling Debian.Version.ByteString (
 Debian/Version/ByteString.hs, dist/build/Debian/Version/ByteString.o )
 [19 of 37] Compiling Debian.Version   ( Debian/Version.hs,
 dist/build/Debian/Version.o )
 [20 of 37] Compiling Debian.Changes   ( Debian/Changes.hs,
 dist/build/Debian/Changes.o )
 [21 of 37] Compiling Debian.Relation.Common ( Debian/Relation/Common.hs,
 dist/build/Debian/Relation/Common.o )
 [22 of 37] Compiling Debian.Relation.String ( Debian/Relation/String.hs,
 dist/build/Debian/Relation/String.o )
 [23 of 37] Compiling Debian.Relation.Text ( Debian/Relation/Text.hs,
 dist/build/Debian/Relation/Text.o )
 [24 of 37] Compiling Debian.Relation.ByteString (
 Debian/Relation/ByteString.hs, dist/build/Debian/Relation/ByteString.o )
 [25 of 37] Compiling Debian.Relation  ( Debian/Relation.hs,
 dist/build/Debian/Relation.o )
 [26 of 37] Compiling Debian.Control.ByteString (
 Debian/Control/ByteString.hs, dist/build/Debian/Control/ByteString.o )

 Debian/Control/ByteString.hs:132:1: warning: [-Wredundant-constraints]
     • Redundant constraint: ControlFunctions a
     • In the type signature for:
            protectFieldText' :: (LL.StringLike a, LL.ListLike a Word8,
                                  ControlFunctions a) =>
                                 a -> a

 Debian/Control/ByteString.hs:138:7: warning: [-Wredundant-constraints]
     • Redundant constraint: LL.StringLike a
     • In the type signature for:
            dropWhileEnd :: (LL.StringLike a1, LL.ListLike a1 Word8) =>
                            (Word8 -> Bool) -> a1 -> a1
       In an equation for ‘protectFieldText'’:
           protectFieldText' s
             = case LL.lines s of {
                 [] -> LL.empty
                 (l : ls)
                   -> dropWhileEnd (isSpace . chr . fromIntegral)
                      $ LL.unlines $ l : map protect ls }
             where
                 dropWhileEnd ::
                   (LL.StringLike a, LL.ListLike a Word8) => (Word8 ->
 Bool) -> a -> a
                 dropWhileEnd func = LL.reverse . LL.dropWhile func .
 LL.reverse
                 protect :: (LL.StringLike a, LL.ListLike a Word8) => a ->
 a
                 protect l
                   = maybe
                       LL.empty
                       (\ c
                          -> if isHorizSpace c then l else LL.cons (ord' '
 ' :: Word8) l)
                       (LL.find (const True :: Word8 -> Bool) l)
                 ....

 Debian/Control/ByteString.hs:140:7: warning: [-Wredundant-constraints]
     • Redundant constraint: LL.StringLike a
     • In the type signature for:
            protect :: (LL.StringLike a1, LL.ListLike a1 Word8) => a1 -> a1
       In an equation for ‘protectFieldText'’:
           protectFieldText' s
             = case LL.lines s of {
                 [] -> LL.empty
                 (l : ls)
                   -> dropWhileEnd (isSpace . chr . fromIntegral)
                      $ LL.unlines $ l : map protect ls }
             where
                 dropWhileEnd ::
                   (LL.StringLike a, LL.ListLike a Word8) => (Word8 ->
 Bool) -> a -> a
                 dropWhileEnd func = LL.reverse . LL.dropWhile func .
 LL.reverse
                 protect :: (LL.StringLike a, LL.ListLike a Word8) => a ->
 a
                 protect l
                   = maybe
                       LL.empty
                       (\ c
                          -> if isHorizSpace c then l else LL.cons (ord' '
 ' :: Word8) l)
                       (LL.find (const True :: Word8 -> Bool) l)
                 ....
 [27 of 37] Compiling Debian.Control.Text ( Debian/Control/Text.hs,
 dist/build/Debian/Control/Text.o )

 Debian/Control/Text.hs:32:1: warning: [-Wunused-imports]
     The qualified import of ‘T.reverse’
     from module ‘Data.Text’ is redundant
 [28 of 37] Compiling Debian.Control.Policy ( Debian/Control/Policy.hs,
 dist/build/Debian/Control/Policy.o )

 Debian/Control/Policy.hs:87:5: warning: [-Wunused-top-binds]
     Defined but not used: ‘control’
 [29 of 37] Compiling Debian.Control.Builder ( Debian/Control/Builder.hs,
 dist/build/Debian/Control/Builder.o )

 Debian/Control/Builder.hs:34:1: warning: [-Wunused-imports]
     The qualified import of ‘Data.Text’ is redundant
       except perhaps to import instances from ‘Data.Text’
     To import instances alone, use: import Data.Text()

 Debian/Control/Builder.hs:36:1: warning: [-Wunused-imports]
     The import of ‘fromLazyText’
     from module ‘Data.Text.Lazy.Builder’ is redundant

 Debian/Control/Builder.hs:104:1: warning: [-Wmissing-signatures]
     Top-level binding with no type signature:
       dropAround :: forall c item.
                     LL.ListLike c item =>
                     (item -> Bool) -> c -> c
 [30 of 37] Compiling Debian.Control.TextLazy ( Debian/Control/TextLazy.hs,
 dist/build/Debian/Control/TextLazy.o )

 Debian/Control/TextLazy.hs:32:1: warning: [-Wunused-imports]
     The qualified import of ‘T.reverse’
     from module ‘Data.Text.Lazy’ is redundant
 [31 of 37] Compiling Debian.Control   ( Debian/Control.hs,
 dist/build/Debian/Control.o )

 Debian/Control.hs:56:1: warning: [-Wunused-imports]
     The qualified import of ‘Debian.Control.TextLazy’ is redundant
       except perhaps to import instances from ‘Debian.Control.TextLazy’
     To import instances alone, use: import Debian.Control.TextLazy()
 [32 of 37] Compiling Debian.Apt.Index ( Debian/Apt/Index.hs,
 dist/build/Debian/Apt/Index.o )
 [33 of 37] Compiling Debian.Report    ( Debian/Report.hs,
 dist/build/Debian/Report.o )
 [34 of 37] Compiling Debian.GenBuildDeps ( Debian/GenBuildDeps.hs,
 dist/build/Debian/GenBuildDeps.o )
 ghc: panic! (the 'impossible' happened)
   (GHC version 8.0.1 for x86_64-unknown-linux):
         find_tycon
   Loc
   []

 Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug

 cabal: Leaving directory '/tmp/cabal-tmp-31302/debian-3.91.1'
 Failed to install debian-3.91.1
 cabal: Error: some packages failed to install:
 debian-3.91.1 failed during the building phase. The exception was:
 ExitFailure 1

 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12824>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler


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