Broken tests on Windows

I'll be marking these as broken:

Unexpected results from:
TEST="T10598_TH T11072gcc T12530 T13618 T15324 T15858 T15904 T2276_ghci T7477 T8759 T9086 TH_NestedSplices dynbrk004 plugin-recomp-change plugin-recomp-flags plugin-recomp-impure plugins09 plugins10 plugins11 print009 print012 print023 result001"

SUMMARY for test run started at Mon Jan  7 01:57:14 2019 GST
 1:57:17 spent to go through
    6747 total tests, which gave rise to
   19416 test cases, of which
   12221 were skipped

      47 had missing libraries
    6945 expected passes
     180 expected failures

       0 caused framework failures
       0 caused framework warnings
       0 unexpected passes
      23 unexpected failures
       0 unexpected stat failures

Unexpected failures:
   ffi/should_run/T2276_ghci.run        T2276_ghci [bad exit code] (ghci)
   ghci/linking/dyn/T11072gcc.run       T11072gcc [bad exit code] (normal)
   ghc-e/should_run/T9086.run           T9086 [bad exit code] (normal)
   ghci.debugger/scripts/print009.run   print009 [bad exit code] (ghci-ext)
   ghci.debugger/scripts/print012.run   print012 [bad exit code] (ghci-ext)
   ghci.debugger/scripts/print023.run   print023 [bad exit code] (ghci-ext)
   hp2ps/T15904.run                     T15904 [bad exit code] (normal)
   ghci.debugger/scripts/dynbrk004.run  dynbrk004 [bad exit code] (ghci-ext)
   ghci.debugger/scripts/result001.run  result001 [bad exit code] (ghci-ext)
   plugins/plugin-recomp-change.run     plugin-recomp-change [bad exit code] (normal)
   plugins/T15858.run                   T15858 [bad exit code] (ghci)
   th/TH_NestedSplices.run              TH_NestedSplices [exit code non-0] (normal)
   th/T7477.run                         T7477 [exit code non-0] (ext-interp)
   th/T8759.run                         T8759 [exit code non-0] (ext-interp)
   th/T10598_TH.run                     T10598_TH [exit code non-0] (normal)
   th/T12530.run                        T12530 [exit code non-0] (normal)
   th/T13618.run                        T13618 [exit code non-0] (normal)
   th/T15324.run                        T15324 [exit code non-0] (ext-interp)
   plugins/plugins09.run                plugins09 [bad stdout] (normal)
   plugins/plugins10.run                plugins10 [bad stdout] (normal)
   plugins/plugins11.run                plugins11 [bad stdout] (normal)
   plugins/plugin-recomp-impure.run     plugin-recomp-impure [bad exit code] (normal)
   plugins/plugin-recomp-flags.run      plugin-recomp-flags [bad exit code] (normal)

Trac metadata

Trac field	Value
Version	8.6.3
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Compiler
Test case
Differential revisions
BlockedBy
Related
Blocking
CC
Operating system	Unknown/Multiple
Architecture