#1804: Panic: applyTypeToArgs with -O
-------------------------------------+--------------------------------------
Reporter: dons | Owner:
Type: bug | Status: closed
Priority: normal | Milestone:
Component: Compiler (Type checker) | Version: 6.8
Severity: normal | Resolution: fixed
Keywords: | Difficulty: Unknown
Testcase: | Architecture: x86_64 (amd64)
Os: OpenBSD |
-------------------------------------+--------------------------------------
Changes (by dons):
* status: new => closed
* resolution: => fixed
Old description:
> My HWN publishing program,
>
> http://www.galois.com/~dons/publish.hs
>
> elicits a panic from a ghc 6.8 snapshot from Sep 9, when compiled with
> -O:
>
> {{{
> $ ghc --make -O publish.hs -o publish -no-recomp
> [1 of 1] Compiling Main ( publish.hs, publish.o )
> ghc-6.9.20070916: panic! (the 'impossible' happened)
> (GHC version 6.9.20070916 for x86_64-unknown-openbsd):
> applyTypeToArgs
> unix-2.0:System.Posix.Signals.a37{v rjv} [gid]
> (unix-2.0:System.Posix.Signals.a25{v rju} [gid]
> `cast` (base:GHC.Prim.sym{(w) tc 34v}
> (base:Foreign.C.Types.:CoCInt{tc rjt})
> :: <pred>base:GHC.Int.Int32{tc 3V}
> ~
> <nt>base:Foreign.C.Types.CInt{tc r9e}))
> unix-2.0:System.Posix.Signals.Ignore{v rjs} [gid]
> (base:Data.Maybe.Nothing{v r4U} [gid]
> @ <nt>unix-2.0:System.Posix.Signals.SignalSet{tc rjr})
> eta{v a3Uh} [lid]
> (# base:GHC.Prim.State#{(w) tc 32q}
> base:GHC.Prim.RealWorld{(w) tc 31E},
> base:GHC.Base.(){(w) tc 40} #)
>
> Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
> }}}
New description:
Not reproducable with 6.8.1 as released. Should be closed.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1804#comment:2>
GHC <http://www.haskell.org/ghc/>
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