[GHC] #16067: Profiled GHCi segfaults under Windows.

[GHC]

#16067: Profiled GHCi segfaults under Windows.
----------------------------------------+-------------------------------
           Reporter:  AndreasK          |             Owner:  (none)
               Type:  bug               |            Status:  new
           Priority:  normal            |         Milestone:
          Component:  Runtime System    |           Version:  8.7
           Keywords:                    |  Operating System:  Windows
       Architecture:  Unknown/Multiple  |   Type of failure:  GHCi crash
          Test Case:                    |        Blocked By:
           Blocking:                    |   Related Tickets:
Differential Rev(s):                    |         Wiki Page:
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 Building ghc with the prof flavour and trying to run ghci segfaults on
 master.

 {{{
 C:\ghc\msys64\home\Andi\ghc_head\inplace\bin\ghc-stage2.exe --interactive
 GHCi, version 8.7.20181218: https://www.haskell.org/ghc/  :? for help

 Access violation in generated code when reading 0xffffffffffffffff

  Attempting to reconstruct a stack trace...

    Frame        Code address
  * 0x67cd990    0x4d6634c C:\ghc\msys64\home\Andi\ghc_head\inplace\bin
 \ghc-stage2.exe+0x496634c
  * 0x67cd9f0    0x4d51848 C:\ghc\msys64\home\Andi\ghc_head\inplace\bin
 \ghc-stage2.exe+0x4951848
  * 0x67cda50    0x4d5192f C:\ghc\msys64\home\Andi\ghc_head\inplace\bin
 \ghc-stage2.exe+0x495192f
  * 0x67cda80    0x4d678a1 C:\ghc\msys64\home\Andi\ghc_head\inplace\bin
 \ghc-stage2.exe+0x49678a1
  * 0x67cda88    0x4c5fe64 C:\ghc\msys64\home\Andi\ghc_head\inplace\bin
 \ghc-stage2.exe+0x485fe64
  * 0x67cda90    0x1083d0
  * 0x67cda98    0x88e5020
  * 0x67cdaa0    0x88e36a1
  * 0x67cdaa8    0x2000000 C:\ghc\msys64\home\Andi\ghc_head\inplace\bin
 \ghc-stage2.exe+0x1c00000
 }}}

 Just starting it in gdb tells me this is happening in registerCcsList in
 the RTS.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16067>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler