August 2013 - ghc-tickets

Re: [GHC] #8004: Applicative/Monad proposal related warnings (AMP phase 1)
by GHC 24 Aug '13

24 Aug '13

#8004: Applicative/Monad proposal related warnings (AMP phase 1) -------------------------------------+------------------------------------ Reporter: quchen | Owner: Type: feature request | Status: new Priority: high | Milestone: 7.8.1 Component: Compiler | Version: 7.6.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Unknown/Multiple Type of failure: None/Unknown | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: -------------------------------------+------------------------------------ Changes (by ekmett): * cc: ekmett@… (added) -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8004#comment:5> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #855: Improvements to SpecConstr
by GHC 24 Aug '13

24 Aug '13

#855: Improvements to SpecConstr -------------------------------------+------------------------------------ Reporter: simonpj | Owner: Type: task | Status: new Priority: normal | Milestone: _|_ Component: Compiler | Version: 6.4.2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Unknown/Multiple Type of failure: None/Unknown | Difficulty: Unknown Test Case: N/A | Blocked By: Blocking: | Related Tickets: -------------------------------------+------------------------------------ Changes (by ekmett): * cc: ekmett@… (added) -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/855#comment:7> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #2641: Revise the rules for -XExtendedDefaultRules (was: Revise the rules for -XExtendedDeafultRules)
by GHC 24 Aug '13

24 Aug '13

#2641: Revise the rules for -XExtendedDefaultRules -------------------------------------+------------------------------------ Reporter: simonpj | Owner: Type: feature request | Status: new Priority: lowest | Milestone: 7.6.2 Component: Compiler | Version: 6.8.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Unknown/Multiple Type of failure: None/Unknown | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: -------------------------------------+------------------------------------ -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/2641#comment:16> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #2641: Revise the rules for -XExtendedDeafultRules
by GHC 24 Aug '13

24 Aug '13

#2641: Revise the rules for -XExtendedDeafultRules -------------------------------------+------------------------------------ Reporter: simonpj | Owner: Type: feature request | Status: new Priority: lowest | Milestone: 7.6.2 Component: Compiler | Version: 6.8.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Unknown/Multiple Type of failure: None/Unknown | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: -------------------------------------+------------------------------------ Changes (by ekmett): * cc: ekmett@… (added) * failure: => None/Unknown -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/2641#comment:15> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #8113: Cannot override ghci builtin commands with :def[!]
by GHC 24 Aug '13

24 Aug '13

#8113: Cannot override ghci builtin commands with :def[!] -------------------------------+------------------------------------------- Reporter: duncan | Owner: Type: bug | Status: closed Priority: normal | Milestone: 7.8.1 Component: GHCi | Version: 7.6.3 Resolution: fixed | Keywords: Operating System: | Architecture: Unknown/Multiple Unknown/Multiple | Difficulty: Easy (less than 1 hour) Type of failure: Other | Blocked By: Test Case: | Related Tickets: Blocking: | -------------------------------+------------------------------------------- Changes (by hvr): * status: patch => closed * resolution: => fixed -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8113#comment:11> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #8152: iOS patch no 20: Compile to iOS simulator
by GHC 24 Aug '13

24 Aug '13

#8152: iOS patch no 20: Compile to iOS simulator -------------------------------------------+------------------------------- Reporter: StephenBlackheath | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.7 Keywords: | Operating System: Other Architecture: x86 | Type of failure: Difficulty: Easy (less than 1 hour) | None/Unknown Blocked By: | Test Case: Related Tickets: | Blocking: 7724 -------------------------------------------+------------------------------- These changes allow us to compile to the iOS simulator platform, which is basically iOS for X86. Scripts are at https://github.com/ghc-ios/ghc-ios-scripts -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8152> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #8167: build fails in non-unicode locale [happy: compiler/stage1/build/Parser.y: hGetContents: invalid argument (invalid byte sequence)]
by GHC 24 Aug '13

24 Aug '13

#8167: build fails in non-unicode locale [happy: compiler/stage1/build/Parser.y: hGetContents: invalid argument (invalid byte sequence)] ----------------------------------+---------------------------------------- Reporter: rwbarton | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.7 (Parser) | Operating System: Unknown/Multiple Keywords: | Type of failure: Building GHC failed Architecture: | Test Case: Unknown/Multiple | Blocking: Difficulty: Unknown | Blocked By: | Related Tickets: | ----------------------------------+---------------------------------------- To reproduce, check out a fresh copy of GHC and `export LC_ALL=C` before going through the steps to build it. Commit 96adf0e99 introduced non-ASCII (UTF-8) text into `compiler/parser/Parser.y.pp` in a string literal. `happy` tries to read this file in the encoding corresponding to the system locale. Probably `happy` ought to declare that all its input files are UTF-8, like GHC does, but it currently doesn't, so it seems best to just ensure that `Parser.y.pp` is pure ASCII. Patch attached. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8167> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #8169: ghc: panic! (the 'impossible' happened)
by GHC 24 Aug '13

24 Aug '13

#8169: ghc: panic! (the 'impossible' happened) ----------------------------------+--------------------------------- Reporter: guest | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.4.1 Keywords: | Operating System: Linux Architecture: x86_64 (amd64) | Type of failure: None/Unknown Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | ----------------------------------+--------------------------------- ghc: panic! (the 'impossible' happened) (GHC version 7.4.1 for x86_64-unknown-linux): compiler/rename/RnSource.lhs:429:14-81: Irrefutable pattern failed for pattern Data.Maybe.Just (inst_tyvars, _, SrcLoc.L _ cls, _) Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug -------------------------- The message appeared after inserting data CSeq a = CSeq [a] instance (context => CDelimeter) CProd CSeq a where produce context (CSeq x) = map (produce context) x ghc is from standard ubuntu package. >> haskell-compiler --version The Glorious Glasgow Haskell Compilation System, version 7.4.1 -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8169> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #8113: Cannot override ghci builtin commands with :def[!]
by GHC 24 Aug '13

24 Aug '13

#8113: Cannot override ghci builtin commands with :def[!] -------------------------------+------------------------------------------- Reporter: duncan | Owner: Type: bug | Status: patch Priority: normal | Milestone: 7.8.1 Component: GHCi | Version: 7.6.3 Resolution: | Keywords: Operating System: | Architecture: Unknown/Multiple Unknown/Multiple | Difficulty: Easy (less than 1 hour) Type of failure: Other | Blocked By: Test Case: | Related Tickets: Blocking: | -------------------------------+------------------------------------------- Comment (by Herbert Valerio Riedel <hvr@…>): In [changeset:ab51c7a274bb77da8589e72d23518ecca6e621a4/testsuite]: {{{ #!CommitTicketReference repository="testsuite" revision="ab51c7a274bb77da8589e72d23518ecca6e621a4" Add regression test for #8113 Depends on fix in 3229eadbff857b110f20ffddb80d5f7abd5d7216 to pass }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8113#comment:10> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #8113: Cannot override ghci builtin commands with :def[!]
by GHC 24 Aug '13

24 Aug '13

#8113: Cannot override ghci builtin commands with :def[!] -------------------------------+------------------------------------------- Reporter: duncan | Owner: Type: bug | Status: patch Priority: normal | Milestone: 7.8.1 Component: GHCi | Version: 7.6.3 Resolution: | Keywords: Operating System: | Architecture: Unknown/Multiple Unknown/Multiple | Difficulty: Easy (less than 1 hour) Type of failure: Other | Blocked By: Test Case: | Related Tickets: Blocking: | -------------------------------+------------------------------------------- Comment (by Herbert Valerio Riedel <hvr@…>): In [changeset:3229eadbff857b110f20ffddb80d5f7abd5d7216/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="3229eadbff857b110f20ffddb80d5f7abd5d7216" Fix GHCi macros not shadowing builtins (#8113) This restores the original behaviour that was broken accidentally during the refactoring peformed via 4f764d06f3b9899c09a6a459a22d4be694ee45d9. This has been broken effectively for all GHC 7.6.x releases. }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8113#comment:9> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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