[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):

 And today, it's better by still won't compile:
 {{{
 "inplace/bin/ghc-stage1" -hisuf p_hi -osuf  p_o -hcsuf p_hc -static -prof
 -eventlog  -O0 -H64m -Wall -fllvm-fill-undef-with-garbage    -Werror
 -Iincludes -Iincludes/dist -Iincludes/dist-derivedconstants/header
 -Iincludes/dist-ghcconstants/header   -this-unit-id ghc-8.7 -hide-all-
 packages -i -icompiler/backpack -icompiler/basicTypes -icompiler/cmm
 -icompiler/codeGen -icompiler/coreSyn -icompiler/deSugar -icompiler/ghci
 -icompiler/hsSyn -icompiler/iface -icompiler/llvmGen -icompiler/main
 -icompiler/nativeGen -icompiler/parser -icompiler/prelude
 -icompiler/profiling -icompiler/rename -icompiler/simplCore
 -icompiler/simplStg -icompiler/specialise -icompiler/stgSyn
 -icompiler/stranal -icompiler/typecheck -icompiler/types -icompiler/utils
 -icompiler/hieFile -icompiler/stage2/build -Icompiler/stage2/build
 -icompiler/stage2/build/./autogen -Icompiler/stage2/build/./autogen
 -Icompiler/. -Icompiler/parser -Icompiler/utils
 -Icompiler/../rts/dist/build -Icompiler/stage2 -Icompiler/stage2/build/.
 -Icompiler/stage2/build/parser -Icompiler/stage2/build/utils
 -Icompiler/stage2/build/../rts/dist/build -Icompiler/stage2/build/stage2
 -optP-DGHCI -optP-DINTEGER_GMP -optP-include
 -optPcompiler/stage2/build/./autogen/cabal_macros.h -package-id
 array-0.5.2.0 -package-id base-4.12.0.0 -package-id binary-0.8.6.0
 -package-id bytestring-0.10.9.0 -package-id containers-0.6.0.1 -package-id
 deepseq-1.4.4.0 -package-id directory-1.3.3.1 -package-id filepath-1.4.2.1
 -package-id ghc-boot-8.7 -package-id ghc-boot-th-8.7 -package-id ghc-
 heap-8.7 -package-id ghci-8.7 -package-id hpc-0.6.0.3 -package-id integer-
 gmp-1.0.2.0 -package-id process-1.6.3.0 -package-id template-
 haskell-2.15.0.0 -package-id terminfo-0.4.1.2 -package-id time-1.9.2
 -package-id transformers-0.5.5.0 -package-id unix-2.7.2.2 -Wall -Wno-name-
 shadowing -Wnoncanonical-monad-instances -Wnoncanonical-monadfail-
 instances -Wnoncanonical-monoid-instances -this-unit-id ghc -XHaskell2010
 -XNoImplicitPrelude -optc-DTHREADED_RTS -DGHCI_TABLES_NEXT_TO_CODE
 -DSTAGE=2 -Rghc-timing -O -dcore-lint -dno-debug-output -DDEBUG -Wcpp-
 undef  -no-user-package-db -rtsopts       -Wnoncanonical-monad-instances
 -outputdir compiler/stage2/build    -c compiler/specialise/Specialise.hs
 -o compiler/stage2/build/Specialise.p_o -dyno
 compiler/stage2/build/Specialise.dyn_o

 compiler/stranal/WwLib.hs:21:1: error: [-Wunused-imports, -Werror=unused-
 imports]
     The import of ‘vanillaIdInfo’ from module ‘IdInfo’ is redundant
    |
 21 | import IdInfo           ( JoinArity, vanillaIdInfo )
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 <<ghc: 505817256 bytes, 75 GCs, 16763238/55209904 avg/max bytes residency
 (7 samples), 113M in use, 0.001 INIT (0.011 elapsed), 0.913 MUT (1.126
 elapsed), 1.178 GC (1.296 elapsed) :ghc>>
 make[1]: *** [compiler/ghc.mk:445: compiler/stage2/build/WwLib.p_o] Error
 1
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15736#comment:22>
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