[GHC] #14115: GHC segfaults trying to use TH code when ghc is compiled as DYNAMIC_GHC_PROGRAMS=NO

GHC ghc-devs at haskell.org
Tue Sep 12 08:23:47 UTC 2017


#14115: GHC segfaults trying to use TH code when ghc is compiled as
DYNAMIC_GHC_PROGRAMS=NO
-------------------------------------+-------------------------------------
        Reporter:  pacak             |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Runtime System    |              Version:  8.2.1
  (Linker)                           |
      Resolution:                    |             Keywords:
Operating System:  Linux             |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  crash or panic                     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by bgamari):

 * cc: JaffaCake (added)


Comment:

 A second attempt at bisection (this time just within `rts/`) reveals that
 this is due to f9c6d53fe997f1c560cda6f346f4b201711df37c,

 {{{
 git bisect start 'rts'
 # good: [54ccf0c957a279c20e1a37a5a462612af8036739] remove dead function
 'tcInstBinders'
 git bisect good 54ccf0c957a279c20e1a37a5a462612af8036739
 # bad: [d08b9ccdf2812e8f8fa34d0c89275deee574524c] configure: Ensure that
 user's LD setting is respected
 git bisect bad d08b9ccdf2812e8f8fa34d0c89275deee574524c
 # bad: [555e5cc48b6c2608ae8d4bd3b2a5bd2ef63236ab] rts: Address AP_STACK
 comment suggestion from Simon
 git bisect bad 555e5cc48b6c2608ae8d4bd3b2a5bd2ef63236ab
 # bad: [a6f3d1b00e9c37a56cd4db9e519309e94a65d181] rts: Fix
 isByteArrayPinned#'s treatment of large arrays
 git bisect bad a6f3d1b00e9c37a56cd4db9e519309e94a65d181
 # bad: [f9c6d53fe997f1c560cda6f346f4b201711df37c] Tag the FUN before
 making a PAP (#13767)
 git bisect bad f9c6d53fe997f1c560cda6f346f4b201711df37c
 # good: [9b514dedf090c5e21e3be38d174cf1390e21879f] rts/RetainerProfile:
 Const-correctness fixes
 git bisect good 9b514dedf090c5e21e3be38d174cf1390e21879f
 # first bad commit: [f9c6d53fe997f1c560cda6f346f4b201711df37c] Tag the FUN
 before making a PAP (#13767)
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14115#comment:16>
GHC <http://www.haskell.org/ghc/>
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