[GHC] #15736: Testsuite failures from validate --slow

[GHC]

#15736: Testsuite failures from validate --slow
-------------------------------------+-------------------------------------
        Reporter:  jrp               |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:
       Component:  Test Suite        |              Version:  8.6.1
      Resolution:                    |             Keywords:
Operating System:  Linux             |         Architecture:  x86_64
                                     |  (amd64)
 Type of failure:  Incorrect result  |            Test Case:
  at runtime                         |  EtaExpandLevPoly T14936 T15349
                                     |  T2783 T4334 T7919 haddock.Cabal
                                     |  haddock.base haddock.compiler
                                     |  hpc_fork plugin-recomp-change
                                     |  plugin-recomp-change-prof recomp007
                                     |  space_leak_001
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by jrp):

 Well ```./validate``` works:
 {{{
 Beginning test run at Thu Nov 29 19:41:53 2018 GMT
 ====> Scanning ./all.T
 =====> T2632(normal) 2 of 2 [0, 0, 0]
 =====> T13609(normal) 2 of 2 [0, 0, 0]
 cd "/tmp/ghctest-z_w0fd8p/test   spaces/T2632.run" &&
 "/home/jrp/Projects/ghc/inplace/bin/ghc-stage1" -c T2632.hs -dcore-lint
 -dcmm-lint -no-user-package-db -rtsopts -fno-warn-missed-specialisations
 -fshow-warning-groups -fdiagnostics-color=never -fno-diagnostics-show-
 caret -Werror=compat -dno-debug-output  -XTemplateHaskellQuotes -package
 template-haskell
 cd "/tmp/ghctest-z_w0fd8p/test   spaces/T13609.run" &&
 "/home/jrp/Projects/ghc/inplace/bin/ghc-stage1" -c T13609.hs -dcore-lint
 -dcmm-lint -no-user-package-db -rtsopts -fno-warn-missed-specialisations
 -fshow-warning-groups -fdiagnostics-color=never -fno-diagnostics-show-
 caret -Werror=compat -dno-debug-output

 Appending 0 stats to git notes.
 make: Leaving directory '/home/jrp/Projects/ghc/testsuite/tests/stage1'

 ==== STAGE 1 TESTS ====

 SUMMARY for test run started at Thu Nov 29 19:41:53 2018 GMT
  0:00:01 spent to go through
        2 total tests, which gave rise to
        6 test cases, of which
        4 were skipped

        0 had missing libraries
        2 expected passes
        0 expected failures

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

 ==== STAGE 2 TESTS ====

 Unexpected results from:
 TEST="T3816 user001"

 SUMMARY for test run started at Thu Nov 29 19:29:54 2018 GMT
  0:11:59 spent to go through
     6700 total tests, which gave rise to
    20805 test cases, of which
    13678 were skipped

       42 had missing libraries
     6926 expected passes
      157 expected failures

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

 Unexpected failures:
    /tmp/ghctest-5ion3t_r/test   spaces/libraries/unix/tests/user001.run
 user001 [bad stdout] (normal)
    /tmp/ghctest-5ion3t_r/test   spaces/libraries/unix/tests/T3816.run
 T3816 [bad exit code] (normal)

 == Start post-testsuite package check
 GHC package manager version 8.7.20181129
 Timestamp 2018-11-29 19:29:50.847641295 UTC for
 /home/jrp/Projects/ghc/bindisttest/install
 dir/lib/ghc-8.7.20181129/package.conf.d/package.cache
 using cache: /home/jrp/Projects/ghc/bindisttest/install
 dir/lib/ghc-8.7.20181129/package.conf.d/package.cache
 db stack:
 ["/home/jrp/.ghc/x86_64-linux-8.7.20181129/package.conf.d","/home/jrp/Projects/ghc/bindisttest/install
 dir/lib/ghc-8.7.20181129/package.conf.d"]
 flag db stack:
 ["/home/jrp/.ghc/x86_64-linux-8.7.20181129/package.conf.d","/home/jrp/Projects/ghc/bindisttest/install
 dir/lib/ghc-8.7.20181129/package.conf.d"]
 == End post-testsuite package check
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15736#comment:17>
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