March 2013 - ghc-tickets

Re: [GHC] #5987: Too many symbols in ghc package DLL
by GHC 13 Mar '13

13 Mar '13

#5987: Too many symbols in ghc package DLL -------------------------------+-------------------------------------------- Reporter: igloo | Owner: Type: bug | Status: closed Priority: highest | Milestone: 7.8.1 Component: Compiler | Version: 7.5 Resolution: fixed | Keywords: Os: Unknown/Multiple | Architecture: Unknown/Multiple Failure: None/Unknown | Difficulty: Unknown Testcase: | Blockedby: Blocking: 3658 | Related: -------------------------------+-------------------------------------------- Changes (by igloo): * status: new => closed * resolution: => fixed Comment: Fixed. We now have {{{ libHSghc-7.7.20130310-0-ghc7.7.20130310.dll (42123 symbols) libHSghc-7.7.20130310-ghc7.7.20130310.dll (47675 symbols) }}} -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5987#comment:17> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #5987: Too many symbols in ghc package DLL
by GHC 13 Mar '13

13 Mar '13

#5987: Too many symbols in ghc package DLL ---------------------------------+------------------------------------------ Reporter: igloo | Owner: Type: bug | Status: new Priority: highest | Milestone: 7.8.1 Component: Compiler | Version: 7.5 Keywords: | Os: Unknown/Multiple Architecture: Unknown/Multiple | Failure: None/Unknown Difficulty: Unknown | Testcase: Blockedby: | Blocking: 3658 Related: | ---------------------------------+------------------------------------------ Comment(by igloo@…): commit 56353e3da9d5718dfd25e25ccf61c78b25deefe8 {{{ Author: Ian Lynagh <igloo(a)earth.li> Date: Tue Mar 12 22:12:38 2013 +0100 Finish adding support for 2 DLLs in the ghc package; fixes #5987 ghc.mk | 3 --- rules/build-package-way.mk | 20 +++++++++++++++++--- utils/ghc-cabal/Main.hs | 27 +++++++++++++++++++++++++-- 3 files changed, 42 insertions(+), 8 deletions(-) }}} -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5987#comment:16> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #5927: A type-level "implies" constraint on Constraints
by GHC 12 Mar '13

12 Mar '13

#5927: A type-level "implies" constraint on Constraints ----------------------------------------+----------------------------------- Reporter: illissius | Owner: Type: feature request | Status: new Priority: normal | Milestone: 7.6.2 Component: Compiler (Type checker) | Version: 7.4.1 Keywords: | Os: Unknown/Multiple Architecture: Unknown/Multiple | Failure: None/Unknown Difficulty: Unknown | Testcase: Blockedby: | Blocking: Related: | ----------------------------------------+----------------------------------- Comment(by illissius): I know about it (referenced it actually in an earlier comment), thanks! I don't think I have an actual practical problem to be worked around. I was just experimenting, exploring, and testing the limits of what's possible. As usual I hit them. -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5927#comment:10> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #5927: A type-level "implies" constraint on Constraints
by GHC 12 Mar '13

12 Mar '13

#5927: A type-level "implies" constraint on Constraints ----------------------------------------+----------------------------------- Reporter: illissius | Owner: Type: feature request | Status: new Priority: normal | Milestone: 7.6.2 Component: Compiler (Type checker) | Version: 7.4.1 Keywords: | Os: Unknown/Multiple Architecture: Unknown/Multiple | Failure: None/Unknown Difficulty: Unknown | Testcase: Blockedby: | Blocking: Related: | ----------------------------------------+----------------------------------- Comment(by goldfire): There's not really built-in compiler support for these ideas, but have you seen the [http://hackage.haskell.org/package/constraints constraints] package? It allows you to manually enter and use implication relationships. This doesn't solve the fundamental problem here, but it may help with a workaround. -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5927#comment:9> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #5927: A type-level "implies" constraint on Constraints
by GHC 12 Mar '13

12 Mar '13

#5927: A type-level "implies" constraint on Constraints ----------------------------------------+----------------------------------- Reporter: illissius | Owner: Type: feature request | Status: new Priority: normal | Milestone: 7.6.2 Component: Compiler (Type checker) | Version: 7.4.1 Keywords: | Os: Unknown/Multiple Architecture: Unknown/Multiple | Failure: None/Unknown Difficulty: Unknown | Testcase: Blockedby: | Blocking: Related: | ----------------------------------------+----------------------------------- Changes (by duairc): * cc: shane@… (added) -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5927#comment:8> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #2893: Implement "Quantified contexts" proposal
by GHC 12 Mar '13

12 Mar '13

#2893: Implement "Quantified contexts" proposal ---------------------------------+------------------------------------------ Reporter: porges | Owner: Type: feature request | Status: new Priority: normal | Milestone: _|_ Component: Compiler | Version: 6.10.1 Keywords: proposal | Os: Unknown/Multiple Architecture: Unknown/Multiple | Failure: None/Unknown Difficulty: Unknown | Testcase: Blockedby: | Blocking: Related: | ---------------------------------+------------------------------------------ Changes (by duairc): * cc: shane@… (added) -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2893#comment:11> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #7557: Default implementation for a type class function missing when profiling is enabled
by GHC 12 Mar '13

12 Mar '13

#7557: Default implementation for a type class function missing when profiling is enabled ---------------------------------+------------------------------------------ Reporter: JohnWiegley | Owner: Type: bug | Status: infoneeded Priority: normal | Milestone: Component: Compiler | Version: 7.6.1 Keywords: | Os: Unknown/Multiple Architecture: Unknown/Multiple | Failure: None/Unknown Difficulty: Unknown | Testcase: Blockedby: | Blocking: Related: | ---------------------------------+------------------------------------------ Comment(by JohnWiegley): The code has now moved on enough that it's going to be very hard to reproduce this. The best I can suggest is to clone the project and look back for a commit around the same date as this bug report. Or, just close this bug and see if someone else runs into it. -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7557#comment:3> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #3746: Poor parse error
by GHC 11 Mar '13

11 Mar '13

#3746: Poor parse error -------------------------------+-------------------------------------------- Reporter: NeilMitchell | Owner: Type: bug | Status: closed Priority: low | Milestone: 7.6.2 Component: Compiler | Version: 6.10.4 Resolution: fixed | Keywords: Os: Unknown/Multiple | Architecture: Unknown/Multiple Failure: None/Unknown | Difficulty: Testcase: | Blockedby: Blocking: | Related: -------------------------------+-------------------------------------------- Changes (by monoidal): * status: new => closed * resolution: => fixed Comment: HEAD reports {{{ Parse error in pattern: case x of { Just foo -> do { stmt1; stmt2; .... } Nothing -> a } Possibly caused by a missing 'do'? }}} Now the error points at the correct location and there is a helpful hint. -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3746#comment:9> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #5654: Profiling semantics bug
by GHC 11 Mar '13

11 Mar '13

#5654: Profiling semantics bug ---------------------------------+------------------------------------------ Reporter: simonmar | Owner: simonmar Type: bug | Status: new Priority: low | Milestone: 7.6.2 Component: Profiling | Version: 7.2.1 Keywords: | Os: Unknown/Multiple Architecture: Unknown/Multiple | Failure: None/Unknown Difficulty: | Testcase: profiling/should_run/scc004 Blockedby: | Blocking: Related: | ---------------------------------+------------------------------------------ Changes (by ezyang): * cc: ezyang@… (added) -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5654#comment:3> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #7285: mkWeakMVar is non-compositional
by GHC 11 Mar '13

11 Mar '13

#7285: mkWeakMVar is non-compositional ---------------------------------+------------------------------------------ Reporter: edsko | Owner: Type: feature request | Status: new Priority: normal | Milestone: 7.8.1 Component: Compiler | Version: 7.6.1 Keywords: | Os: Unknown/Multiple Architecture: Unknown/Multiple | Failure: None/Unknown Difficulty: Unknown | Testcase: Blockedby: | Blocking: Related: | ---------------------------------+------------------------------------------ Changes (by ihameed): * cc: idhameed@… (added) -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7285#comment:3> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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