On Windows I now get a lot of framework failures, below. I have not tried them all, but some work fine when run individually; e.g. make TEST=AssocTyDef09 Simon Unexpected passes: rts/T7037.run T7037 [unexpected] (normal) Unexpected failures: ghci/prog003/prog003.run prog003 [bad exit code] (ghci) plugins/plugins07.run plugins07 [bad exit code] (normal) Unexpected stat failures: perf/haddock/haddock.compiler.run haddock.compiler [stat not good enough] (normal) Framework failures: ./cabal/T5442b.run T5442b [runTest] (Unhandled exception: global name 'WindowsError' is not defined) ./codeGen/should_run/cgrun040.run cgrun040 [runTest] (Unhandled exception: global name 'WindowsError' is not defined) ./concurrent/should_run/conc027.run conc027 [runTest] (Unhandled exception: global name 'WindowsError' is not defined) ./deSugar/should_run/dsrun010.run dsrun010 [runTest] (Unhandled exception: global name 'WindowsError' is not defined) ./dph/sumnats/dph-sumnats-vseg.run dph-sumnats-vseg [runTest] (Unhandled exception: global name 'WindowsError' is not defined) ./dph/words/dph-words-copy-fast.run dph-words-copy-fast [runTest] (Unhandled exception: global name 'WindowsError' is not defined) ./driver/T9963.run T9963 [runTest] (Unhandled exception: global name 'WindowsError' is not defined) ./ghci/scripts/ghci044a.run ghci044a [runTest] (Unhandled exception: global name 'WindowsError' is not defined) ./ghci/scripts/T4127.run T4127 [runTest] (Unhandled exception: global name 'WindowsError' is not defined) ./ghci/should_run/ghcirun001.run ghcirun001 [runTest] (Unhandled exception: global name 'WindowsError' is not defined) ./overloadedlists/should_fail/overloadedlistsfail02.run overloadedlistsfail02 [runTest] (Unhandled exception: global name 'WindowsError' is not defined) ./package/package07e.run package07e [runTest] (Unhandled exception: global name 'WindowsError' is not defined) ./parser/should_fail/ParserNoForallUnicode.run ParserNoForallUnicode [runTest] (Unhandled exception: global name 'WindowsError' is not defined) ./parser/should_fail/T12051.run T12051 [runTest] (Unhandled exception: global name 'WindowsError' is not defined) ./perf/should_run/T4830.run T4830 [runTest] (Unhandled exception: global name 'WindowsError' is not defined) ./plugins/plugins07.run plugins07 [normal] (pre_cmd failed: 2) ./rts/stack003.run stack003 [runTest] (Unhandled exception: global name 'WindowsError' is not defined) ./rts/ffishutdown.run ffishutdown [runTest] (Unhandled exception: global name 'WindowsError' is not defined) ./simplCore/should_compile/T3234.run T3234 [runTest] (Unhandled exception: global name 'WindowsError' is not defined) ./typecheck/should_compile/tc217.run tc217 [runTest] (Unhandled exception: global name 'WindowsError' is not defined) ./typecheck/should_fail/tcfail013.run tcfail013 [runTest] (Unhandled exception: global name 'WindowsError' is not defined) ./typecheck/should_fail/tcfail110.run tcfail110 [runTest] (Unhandled exception: global name 'WindowsError' is not defined) ./typecheck/should_fail/AssocTyDef09.run AssocTyDef09 [runTest] (Unhandled exception: global name 'WindowsError' is not defined) ../../libraries/base/tests/stableptr003.run stableptr003 [runTest] (Unhandled exception: global name 'WindowsError' is not defined) ../../libraries/base/tests/IO/ioeGetErrorString001.run ioeGetErrorString001 [runTest] (Unhandled exception: global name 'WindowsError' is not defined)