[GHC] #14677: Code generator does not correctly tag a pointer
GHC
ghc-devs at haskell.org
Fri Jan 4 18:19:31 UTC 2019
#14677: Code generator does not correctly tag a pointer
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Reporter: simonpj | Owner: (none)
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 8.2.2
Resolution: | Keywords: CodeGen
Operating System: Unknown/Multiple | Architecture:
| Unknown/Multiple
Type of failure: None/Unknown | Test Case:
Blocked By: 15155 | Blocking: 14626
Related Tickets: | Differential Rev(s):
Wiki Page: |
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Comment (by heisenbug):
Replying to [comment:30 simonpj]:
> Great. So I think we now agree that the IND_STATIC patch is about (a)
code size and (b) performance; and that both are very small (albeit
worthwhile) improvements. ''It is not about correctness''. OK so far?
Agree, we may have different definitions of "correct". No crashes. Yep.
>
> When you say "your patch", what do you mean?
>
This one:
https://ghc.haskell.org/trac/ghc/attachment/ticket/14677/lf-imported-patch
Applying this causes crashes. #15155 helps with that. #16039 helps more.
--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14677#comment:31>
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