[GHC] #13617: Segfault when using SSE and R_X86_64_PC32 relocations to .rdata on Windows in GHCi

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Sun Jul 9 22:40:37 UTC 2017


#13617: Segfault when using SSE and R_X86_64_PC32 relocations to .rdata on Windows
in GHCi
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        Reporter:  RyanGlScott  |                Owner:  Phyx-
            Type:  bug          |               Status:  new
        Priority:  normal       |            Milestone:
       Component:  GHCi         |              Version:  8.0.2
      Resolution:               |             Keywords:
Operating System:  Windows      |         Architecture:  Unknown/Multiple
 Type of failure:  GHCi crash   |            Test Case:
      Blocked By:               |             Blocking:
 Related Tickets:  #7134        |  Differential Rev(s):
       Wiki Page:               |
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Comment (by olsner):

 I think the issue is alignment - `movdqa` requires 16-byte alignment and
 the data here seems to start at `0x...8` which is only 8-byte aligned.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13617#comment:5>
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