/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-7.10.3/glib-0.13.2.1-JN0OHGqGnJNAJTBwChATXp/System/Glib/MainLoop.chi is in libghc-glib-dev 0.13.2.1-4build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | C->Haskell Interface Version C->Haskell Compiler, version 0.13.13 (gtk2hs branch) "Bin IO", 27 May 2012
([((False,"GIOFunc"),(True,Ptr,Nothing,"((Ptr IOChannel) -> (CInt -> ((Ptr ()) -> (IO CInt))))")),((False,"GSourceFunc"),(True,Ptr,Nothing,"((Ptr ()) -> (IO CInt))")),((True,"GSource"),(False,ForeignPtr,Just "Source","Source")),((True,"GIOChannel"),(False,Ptr,Just "IOChannel","IOChannel")),((True,"GMainContext"),(False,ForeignPtr,Just "MainContext","MainContext")),((True,"GMainLoop"),(False,ForeignPtr,Just "MainLoop","MainLoop"))],[("Source",Pointer {ptrTypeHO = ForeignPtr, isNewtypeHO = True}),("IOFunc",Pointer {ptrTypeHO = Ptr, isNewtypeHO = False}),("IOChannel",Pointer {ptrTypeHO = Ptr, isNewtypeHO = True}),("MainLoop",Pointer {ptrTypeHO = ForeignPtr, isNewtypeHO = True}),("MainContext",Pointer {ptrTypeHO = ForeignPtr, isNewtypeHO = True}),("SourceFunc",Pointer {ptrTypeHO = Ptr, isNewtypeHO = False})])
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