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ghc-tickets@haskell.org

October 2013

  • 1 participants
  • 461 discussions
Re: [GHC] #4135: Can't Quote Instance Associated Types in Template Haskell
by GHC 06 Oct '13

06 Oct '13
#4135: Can't Quote Instance Associated Types in Template Haskell ----------------------------------------------+---------------------------- Reporter: Ashley Yakeley | Owner: Type: bug | Status: new Priority: low | Milestone: 7.6.2 Component: Template Haskell | Version: 6.12.1 Resolution: | Keywords: Operating System: Linux | Architecture: x86_64 Type of failure: GHC rejects valid program | (amd64) Test Case: th/T4135 | Difficulty: Unknown Blocking: | Blocked By: 4230 | Related Tickets: ----------------------------------------------+---------------------------- Comment (by monoidal): shelarcy: The program from comment:2 still does not compile in HEAD. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4135#comment:15> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler
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Re: [GHC] #2289: Needless reboxing of values when returning from a tight loop
by GHC 06 Oct '13

06 Oct '13
#2289: Needless reboxing of values when returning from a tight loop -------------------------------------+------------------------------------- Reporter: dons | Owner: Type: bug | Status: new Priority: lowest | Milestone: 7.6.2 Component: Compiler | Version: 6.8.2 Resolution: | Keywords: boxing, loops, Operating System: Unknown/Multiple | performance Type of failure: Runtime | Architecture: Unknown/Multiple performance bug | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: #2387,#1600 -------------------------------------+------------------------------------- Comment (by jstolarek): Replying to [comment:34 carter]: > Was this one of the problems that were supposed to be addressed with loopification? No. I was planning to look into this bug during my internship, but in the end I didn't have enough time. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/2289#comment:35> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler
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Re: [GHC] #2289: Needless reboxing of values when returning from a tight loop
by GHC 06 Oct '13

06 Oct '13
#2289: Needless reboxing of values when returning from a tight loop -------------------------------------+------------------------------------- Reporter: dons | Owner: Type: bug | Status: new Priority: lowest | Milestone: 7.6.2 Component: Compiler | Version: 6.8.2 Resolution: | Keywords: boxing, loops, Operating System: Unknown/Multiple | performance Type of failure: Runtime | Architecture: Unknown/Multiple performance bug | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: #2387,#1600 -------------------------------------+------------------------------------- Comment (by carter): whats the status of this codegen issue? Was this one of the problems that were supposed to be addressed with loopification? -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/2289#comment:34> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler
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Re: [GHC] #4135: Can't Quote Instance Associated Types in Template Haskell
by GHC 06 Oct '13

06 Oct '13
#4135: Can't Quote Instance Associated Types in Template Haskell ----------------------------------------------+---------------------------- Reporter: Ashley Yakeley | Owner: Type: bug | Status: new Priority: low | Milestone: 7.6.2 Component: Template Haskell | Version: 6.12.1 Resolution: | Keywords: Operating System: Linux | Architecture: x86_64 Type of failure: GHC rejects valid program | (amd64) Test Case: th/T4135 | Difficulty: Unknown Blocking: | Blocked By: 4230 | Related Tickets: ----------------------------------------------+---------------------------- Changes (by shelarcy): * testcase: => th/T4135 * difficulty: => Unknown Comment: Why is this still open? Above commit log says fixes this, and test case is already added by ccd14ae24656440e4746a888d070b8922871408a/testsuite. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4135#comment:14> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler
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[GHC] #8411: TypeSynonymInstances with partial type
by GHC 05 Oct '13

05 Oct '13
#8411: TypeSynonymInstances with partial type ----------------------------+---------------------------------------------- Reporter: wvv | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.6.3 Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: GHC rejects valid program Unknown/Multiple | Test Case: Difficulty: Unknown | Blocking: Blocked By: | Related Tickets: | ----------------------------+---------------------------------------------- TypeSynonymInstances allow only full synonyms. With {{{ {-# LANGUAGE TypeSynonymInstances #-} type RTuple b a = (a, b) instance Monad (RTuple b) where ... -- or instance Monad (RTuple b :: * -> *) where ... }}} I got next error: {{{ test.hs:17:22: Type synonym `RevTuple' should have 2 arguments, but has been given 1 In the instance declaration for `Monad (RTuple b :: * -> *)' }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8411> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler
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Re: [GHC] #4364: Template Haskell: Cycle in type synonym declarations
by GHC 05 Oct '13

05 Oct '13
#4364: Template Haskell: Cycle in type synonym declarations --------------------------------------------+------------------------------ Reporter: igloo | Owner: simonpj Type: bug | Status: closed Priority: high | Milestone: 7.8.1 Component: Compiler (Type checker) | Version: 7.1 Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: None/Unknown | Unknown/Multiple Test Case: th/T4364 | Difficulty: Unknown Blocking: | Blocked By: | Related Tickets: --------------------------------------------+------------------------------ Changes (by monoidal): * status: new => closed * testcase: => th/T4364 * resolution: => fixed Comment: This is now fixed thanks to new TH. Woo hoo! -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4364#comment:10> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler
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Re: [GHC] #6062: TH treats non-functions in function position inconsistently
by GHC 05 Oct '13

05 Oct '13
#6062: TH treats non-functions in function position inconsistently -------------------------------------+------------------------------------ Reporter: heisenbug | Owner: simonpj Type: bug | Status: closed Priority: normal | Milestone: 7.8.1 Component: Compiler | Version: 7.5 Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: Unknown/Multiple Type of failure: None/Unknown | Difficulty: Unknown Test Case: th/T6062 | Blocked By: Blocking: | Related Tickets: -------------------------------------+------------------------------------ Changes (by monoidal): * status: new => closed * testcase: => th/T6062 * resolution: => fixed Comment: This is now fixed thanks to new TH. Woo hoo! -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/6062#comment:4> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler
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Re: [GHC] #4170: Invalid "duplicate instance" error
by GHC 05 Oct '13

05 Oct '13
#4170: Invalid "duplicate instance" error -------------------------------------+------------------------------------ Reporter: verdelyi | Owner: Type: bug | Status: closed Priority: low | Milestone: 7.6.2 Component: Template Haskell | Version: 6.12.3 Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: Unknown/Multiple Type of failure: None/Unknown | Difficulty: Unknown Test Case: th/T4170 | Blocked By: Blocking: | Related Tickets: -------------------------------------+------------------------------------ Changes (by monoidal): * status: new => closed * difficulty: => Unknown * resolution: => fixed * testcase: => th/T4170 * blockedby: 4230 => Comment: This is now fixed thanks to new TH. Woo hoo! -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4170#comment:8> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler
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Re: [GHC] #4124: GHC rejects instance quotations with splices in the instance head
by GHC 05 Oct '13

05 Oct '13
#4124: GHC rejects instance quotations with splices in the instance head ----------------------------------------------+---------------------------- Reporter: lilac | Owner: Type: bug | Status: closed Priority: low | Milestone: 7.6.2 Component: Template Haskell | Version: 6.12.1 Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: GHC rejects valid program | Unknown/Multiple Test Case: th/4124 | Difficulty: Unknown Blocking: | Blocked By: | Related Tickets: ----------------------------------------------+---------------------------- Changes (by monoidal): * status: new => closed * difficulty: => Unknown * resolution: => fixed * testcase: => th/4124 * blockedby: 4230 => Comment: This is now fixed thanks to new TH. BTW for older GHC you could work around it by enabling -XFlexibleInstances (as the error suggests), but that was unneccessary and is now not needed. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4124#comment:11> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler
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Re: [GHC] #4128: Can't capture classes inside a template haskell type quotation
by GHC 05 Oct '13

05 Oct '13
#4128: Can't capture classes inside a template haskell type quotation -------------------------------------+------------------------------------ Reporter: lilac | Owner: Type: feature request | Status: closed Priority: low | Milestone: 7.6.2 Component: Template Haskell | Version: 6.12.1 Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: Unknown/Multiple Type of failure: None/Unknown | Difficulty: Unknown Test Case: th/T4128 | Blocked By: Blocking: | Related Tickets: -------------------------------------+------------------------------------ Changes (by monoidal): * status: new => closed * difficulty: => Unknown * resolution: => fixed * testcase: => th/T4128 * blockedby: 4230 => Comment: This test was already working as of GHC 7.6; I think this was fixed by addition of -XConstraintKinds. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4128#comment:10> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler
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