Bug#1013766: haskell-memory FTBFS: error: Variable not in scope

[Adrian Bunk]

Source: haskell-memory
Version: 0.15.0-1
Severity: serious
Tags: ftbfs bookworm sid

https://buildd.debian.org/status/logs.php?pkg=haskell-memory&ver=0.15.0-1%2Bb2

...
Data/ByteArray/Types.hs:39:1: warning: [-Wunused-imports]
    The qualified import of ‘Basement.PrimType’ is redundant
      except perhaps to import instances from ‘Basement.PrimType’
    To import instances alone, use: import Basement.PrimType()
   |
39 | import qualified Basement.PrimType as Base (primSizeInBytes)
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Data/ByteArray/ScrubbedBytes.hs:93:71: error:
    Variable not in scope:
      unsafeCoerce# :: MutableByteArray# RealWorld -> ByteArray#
   |
93 |                 let !scrubber = (getScrubber sz) (byteArrayContents# (unsafeCoerce# mbarr))
   |                                                                       ^^^^^^^^^^^^^

Data/ByteArray/ScrubbedBytes.hs:151:38: error:
    Variable not in scope:
      unsafeCoerce# :: MutableByteArray# RealWorld -> ByteArray#
    |
151 |     a <- f (Ptr (byteArrayContents# (unsafeCoerce# mba)))
    |                                      ^^^^^^^^^^^^^
 at /usr/share/perl5/Debian/Debhelper/Buildsystem/Haskell/Recipes.pm line 107.
	Debian::Debhelper::Buildsystem::Haskell::Recipes::run_quiet("debian/hlibrary.setup", "haddock", "--builddir=dist-ghc", "--with-haddock=/usr/bin/haddock", "--with-ghc=ghc", "--verbose=2", "--html", "--hoogle", ...) called at /usr/share/perl5/Debian/Debhelper/Buildsystem/Haskell/Recipes.pm line 131
	Debian::Debhelper::Buildsystem::Haskell::Recipes::run("debian/hlibrary.setup", "haddock", "--builddir=dist-ghc", "--with-haddock=/usr/bin/haddock", "--with-ghc=ghc", "--verbose=2", "--html", "--hoogle", ...) called at /usr/share/perl5/Debian/Debhelper/Buildsystem/Haskell/Recipes.pm line 707
	Debian::Debhelper::Buildsystem::Haskell::Recipes::haddock_recipe() called at -e line 1
make: *** [/usr/share/cdbs/1/class/hlibrary.mk:153: build-ghc-stamp] Error 25