- ghc-tickets - Haskell.org

Re: [GHC] #1147: Quadratic behaviour in the compacting GC
by GHC 21 Jan '13

21 Jan '13

#1147: Quadratic behaviour in the compacting GC ---------------------------------+------------------------------------------ Reporter: simonmar | Owner: Type: bug | Status: new Priority: normal | Milestone: _|_ Component: Runtime System | Version: 6.6 Keywords: ghci compacting | Os: Unknown/Multiple Architecture: Unknown/Multiple | Failure: Runtime performance bug Difficulty: Unknown | Testcase: Blockedby: | Blocking: Related: | ---------------------------------+------------------------------------------ Comment(by morabbin): Bump; still relevant? -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1147#comment:5> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #1158: Problem with GADTs and explicit type signatures
by GHC 21 Jan '13

21 Jan '13

#1158: Problem with GADTs and explicit type signatures ---------------------------------+------------------------------------------ Reporter: guest | Owner: simonpj Type: bug | Status: new Priority: lowest | Milestone: _|_ Component: Compiler | Version: 6.6 Keywords: | Os: Unknown/Multiple Architecture: Unknown/Multiple | Failure: None/Unknown Difficulty: Unknown | Testcase: Blockedby: | Blocking: Related: | ---------------------------------+------------------------------------------ Changes (by morabbin): * failure: => None/Unknown Comment: Referenced FAQ entry is still relevant. -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1158#comment:4> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #1167: mangler makes global symbol disappear on linux-ppc
by GHC 21 Jan '13

21 Jan '13

#1167: mangler makes global symbol disappear on linux-ppc ------------------------------------+--------------------------------------- Reporter: arekm@… | Owner: Type: bug | Status: new Priority: normal | Milestone: _|_ Component: Compiler | Version: 6.6 Keywords: | Os: Linux Architecture: powerpc | Failure: None/Unknown Difficulty: Unknown | Testcase: Blockedby: | Blocking: Related: | ------------------------------------+--------------------------------------- Changes (by morabbin): * failure: => None/Unknown Comment: Has anyone taken up the reg'd Linux/PPC port? If not, close as won't fix. -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1167#comment:3> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #1176: Infinite loop when printing error message
by GHC 21 Jan '13

21 Jan '13

#1176: Infinite loop when printing error message ------------------------------------------+--------------------------------- Reporter: Paul_Berry@… | Owner: thorkilnaur Type: bug | Status: new Priority: low | Milestone: _|_ Component: Compiler | Version: 6.6 Keywords: | Os: Unknown/Multiple Architecture: Unknown/Multiple | Failure: None/Unknown Difficulty: Unknown | Testcase: tcfail177 Blockedby: | Blocking: Related: | ------------------------------------------+--------------------------------- Comment(by morabbin): Does GHC still use its own version of PP library? If not, close as fixed. -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1176#comment:12> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #1102: Lambda unicode character lex
by GHC 21 Jan '13

21 Jan '13

#1102: Lambda unicode character lex --------------------------------+------------------------------------------- Reporter: humasect | Owner: Type: feature request | Status: new Priority: normal | Milestone: _|_ Component: Compiler (Parser) | Version: 6.6 Resolution: | Keywords: lambda unicode lexical parse ? Os: Unknown/Multiple | Architecture: Unknown/Multiple Failure: None/Unknown | Difficulty: Easy (less than 1 hour) Testcase: | Blockedby: Blocking: | Related: --------------------------------+------------------------------------------- Comment(by morabbin): Seems like we're still at an impasses on this one: `bos`'s comment above is hard to get around. -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1102#comment:12> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #1192: GHC-only IOErrorType constructors, and is*Error(Type) functions
by GHC 21 Jan '13

21 Jan '13

#1192: GHC-only IOErrorType constructors, and is*Error(Type) functions ---------------------------------+------------------------------------------ Reporter: igloo | Owner: Type: feature request | Status: new Priority: low | Milestone: _|_ Component: Compiler | Version: 6.6 Keywords: | Os: Unknown/Multiple Architecture: Unknown/Multiple | Failure: None/Unknown Difficulty: Unknown | Testcase: Blockedby: | Blocking: Related: | ---------------------------------+------------------------------------------ Changes (by morabbin): * failure: => None/Unknown Comment: Refers to "below the `GHC only` comment", which is not to be found on the ticket, nor in `System.IO.Error` or any other obvious places. Fixed? -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1192#comment:3> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #3103: Compiling base with cabal fails.
by GHC 21 Jan '13

21 Jan '13

#3103: Compiling base with cabal fails. ---------------------------------+------------------------------------------ Reporter: Lemmih | Owner: Type: bug | Status: new Priority: high | Milestone: 7.8.1 Component: Compiler | Version: 6.10.1 Keywords: | Os: Unknown/Multiple Architecture: Unknown/Multiple | Failure: None/Unknown Difficulty: Unknown | Testcase: T3103 Blockedby: | Blocking: Related: | ---------------------------------+------------------------------------------ Comment(by monoidal): Not sure if this matters, but when I do "cabal build" with HEAD only a warning is given instead of a panic: {{{ [ 69 of 196] Compiling Foreign.Ptr ( Foreign/Ptr.hs, dist/build/Foreign/Ptr.o ) The interface for `base:GHC.Num' Declaration for $fNumWord_$csignum Unfolding of GHC.Num.$fNumWord_$csignum: Can't find interface-file declaration for data constructor GHC.Types.W# Probable cause: bug in .hi-boot file, or inconsistent .hi file Use -ddump-if-trace to get an idea of which file caused the error }}} and the compilation succeeds. The warning is suspect, though. -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3103#comment:16> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #7192: Bug in -fregs-graph with -fnew-codegen
by GHC 21 Jan '13

21 Jan '13

#7192: Bug in -fregs-graph with -fnew-codegen -------------------------------+-------------------------------------------- Reporter: simonmar | Owner: benl Type: bug | Status: closed Priority: highest | Milestone: 7.8.1 Component: Compiler | Version: 7.7 Resolution: fixed | Keywords: Os: Unknown/Multiple | Architecture: Unknown/Multiple Failure: None/Unknown | Difficulty: Unknown Testcase: | Blockedby: Blocking: 4258 | Related: -------------------------------+-------------------------------------------- Comment(by shelarcy): Replying to [comment:9 simonmar]: > I still think we need to look at the graph-colouring allocator though, because I think it is interacting badly with the code generated by the new code generator. The code I've seen doesn't look great. I'm leaving it turned off for the time being, and I'll make a separate ticket. Where is a separated ticket? -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7192#comment:13> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #3005: Normalize fully-applied type functions prior to display
by GHC 21 Jan '13

21 Jan '13

#3005: Normalize fully-applied type functions prior to display -------------------------------+-------------------------------------------- Reporter: dmcclean | Owner: chak Type: feature request | Status: closed Priority: lowest | Milestone: 7.6.2 Component: GHCi | Version: 6.10.1 Resolution: fixed | Keywords: Os: Unknown/Multiple | Architecture: Unknown/Multiple Failure: None/Unknown | Difficulty: Unknown Testcase: | Blockedby: Blocking: | Related: -------------------------------+-------------------------------------------- Comment(by shelarcy): For future reference, I paste the results of :kind! command and :type command. Here is the result of :kind! command. {{{ *Main> :kind! Product (Matrix Two Two Int) (Matrix Two Two Int) Product (Matrix Two Two Int) (Matrix Two Two Int) :: * = Matrix (O (I Z)) (O (I Z)) Int }}} And here are the results of :type command. 7.4.2 {{{ *Main> :t a `times` a a `times` a :: Matrix (O (I Z)) (O (I Z)) Integer }}} 7.6.1 {{{ *Main> :t a `times` a a `times` a :: Matrix (O (I Z)) (O (I Z)) Integer }}} 7.6.2 (7.6.1.20121207) {{{ *Main> :t a `times` a a `times` a :: Matrix (O (I Z)) (O (I Z)) Integer }}} 7.7.20130110 {{{ *Main> :t a `times` a a `times` a :: (Num t, Num t1, Multiply (Matrix Two Two t) (Matrix Two Two t1)) => Product (Matrix Two Two t) (Matrix Two Two t1) }}} (TypeNats.hs and Vectors.hs use -fglasgow-exts option. Vector uses DatatypeContexts. So, I attached newer version (TypeNats2.hs and Vector2.hs) what avoid using -fglasgow-exts option and DatatypeContexts.) -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3005#comment:14> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #956: improving error messages #1
by GHC 21 Jan '13

21 Jan '13

#956: improving error messages #1 ----------------------------------------------------------+----------------- Reporter: Bulat Ziganshin <Bulat.Ziganshin@…> | Owner: simonpj Type: feature request | Status: closed Priority: normal | Milestone: _|_ Component: Compiler | Version: 6.6 Resolution: fixed | Keywords: Os: Unknown/Multiple | Architecture: Unknown/Multiple Failure: None/Unknown | Difficulty: Unknown Testcase: | Blockedby: Blocking: | Related: ----------------------------------------------------------+----------------- Changes (by simonpj): * status: new => closed * resolution: => fixed -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/956#comment:8> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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