Bug#1015958: haskell-http-client FTBFS on IPV6-only buildds

[Adrian Bunk]

Source: haskell-http-client
Version: 0.7.11-1
Severity: serious
Tags: ftbfs

https://buildd.debian.org/status/fetch.php?pkg=haskell-http-client&arch=i386&ver=0.7.11-1&stamp=1658667307&raw=0

...
Failures:

  test-nonet/Network/HTTP/ClientSpec.hs:241:18: 
  1) Network.HTTP.Client.Client withResponseHistory and redirect
       uncaught exception: IOException of type InvalidArgument
       threadWait: invalid argument (Bad file descriptor)

  To rerun use: --match "/Network.HTTP.Client/Client/withResponseHistory and redirect/"

Randomized with seed 1906044238

Finished in 2.0400 seconds
82 examples, 1 failure
Test suite spec-nonet: FAIL
Test suite logged to: dist-ghc/test/http-client-0.7.11-spec-nonet.log
1 of 2 test suites (1 of 2 test cases) passed.
 at /usr/share/perl5/Debian/Debhelper/Buildsystem/Haskell/Recipes.pm line 107.
	Debian::Debhelper::Buildsystem::Haskell::Recipes::run_quiet("debian/hlibrary.setup", "test", "--builddir=dist-ghc", "--show-details=direct") called at /usr/share/perl5/Debian/Debhelper/Buildsystem/Haskell/Recipes.pm line 131
	Debian::Debhelper::Buildsystem::Haskell::Recipes::run("debian/hlibrary.setup", "test", "--builddir=dist-ghc", "--show-details=direct") called at /usr/share/perl5/Debian/Debhelper/Buildsystem/Haskell/Recipes.pm line 678
	Debian::Debhelper::Buildsystem::Haskell::Recipes::check_recipe() called at -e line 1
make: *** [/usr/share/cdbs/1/class/hlibrary.mk:165: check-ghc-stamp] Error 25