July 2014 - ghc-tickets

Re: [GHC] #5757: zero unexpected failures on all tier 1 platforms
by GHC 13 Jul '14

13 Jul '14

#5757: zero unexpected failures on all tier 1 platforms -------------------------------------+------------------------------------ Reporter: simonmar | Owner: Type: task | Status: new Priority: normal | Milestone: 7.8.4 Component: Test Suite | Version: 7.2.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Unknown/Multiple Type of failure: None/Unknown | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: #5785 -------------------------------------+------------------------------------ Comment (by jrp): Here's are the results from Mac OS X https://ghc.haskell.org/trac/ghc/ticket/9286 -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5757#comment:22> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #9305: GHC panic when deriving Functor on a Fixed type
by GHC 13 Jul '14

13 Jul '14

#9305: GHC panic when deriving Functor on a Fixed type -----------------------------------+--------------------------------------- Reporter: andreyLevushkin | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.8.2 Keywords: | Operating System: Linux Architecture: x86_64 (amd64) | Type of failure: Compile-time crash Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | -----------------------------------+--------------------------------------- Building the following {{{ #!haskell {-# LANGUAGE DeriveFunctor#-} module Main where data Event a b = Event a deriving (Functor) newtype F f = F (f (F f)) data EventF a = EventF (F (Event a)) deriving (Functor) }}} results in {{{ Main.hs:7:48:ghc: panic! (the 'impossible' happened) (GHC version 7.8.2 for x86_64-unknown-linux): Prelude.(!!): index too large }}} I am not sure if the above code should actually compile but it probably shouldn't panic. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9305> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #5014: canonicalizePath throws exception on paths that do not exist
by GHC 13 Jul '14

13 Jul '14

#5014: canonicalizePath throws exception on paths that do not exist ----------------------------------------+---------------------------------- Reporter: hesselink | Owner: Type: bug | Status: new Priority: low | Milestone: 7.6.2 Component: libraries/directory | Version: 7.0.2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Runtime crash | Unknown/Multiple Test Case: | Difficulty: Unknown Blocking: | Blocked By: | Related Tickets: ----------------------------------------+---------------------------------- Comment (by Blaisorblade): Documenting the current behavior is better than nothing, but settling on that seems a regression from portable languages to C. I want to argue that settling on platform-dependent behavior is a worse idea than figuring out a sensible platform-independent behavior, possibly by surveying other languages (Python as proposed above, or maybe Java). Additional system-specific APIs are probably fine for lower-level development, but they seem lower-priority to me. This bug keeps causing portability problems for Haskell applications. I remember cabal needed fixing for this; right now I ran into this for hp2any-graph, which tries to canonicalize a filename that is going to appear. Therefore, quite a few programs that use canonicalizePath and were developed on Linux only break on other platforms. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5014#comment:16> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #4102: Bit manipulation built-ins
by GHC 13 Jul '14

13 Jul '14

#4102: Bit manipulation built-ins -------------------------------------+------------------------------------ Reporter: uzytkownik | Owner: Type: feature request | Status: new Priority: normal | Milestone: 7.6.2 Component: libraries/base | Version: 6.12.2 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 dfeuer): * cc: dfeuer, hvr, ekmett (added) -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4102#comment:17> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #9289: add anyToAddr# :: (#a#)-> Addr# primop (inverse of addrToAny#)
by GHC 12 Jul '14

12 Jul '14

#9289: add anyToAddr# :: (#a#)-> Addr# primop (inverse of addrToAny#) ------------------------------------+------------------------------------- Reporter: carter | Owner: Type: feature request | Status: new Priority: normal | Milestone: 7.10.1 Component: Compiler | Version: 7.8.2 Keywords: | Operating System: Unknown/Multiple Architecture: Unknown/Multiple | Type of failure: None/Unknown Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | ------------------------------------+------------------------------------- I was talking with Reid Barton, and he pointed out that having a primop with type {{{ anyToAddr# :: (#a#)-> Addr# }}} would help with a lot of performance hacking. One use case would be running prefetch on lifted values without evaluating them. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9289> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #9303: This product provides visible benefits to all men without any age discrimination
by GHC 12 Jul '14

12 Jul '14

#9303: This product provides visible benefits to all men without any age discrimination ------------------------------------------+-------------------------------- Reporter: lawooryajeek | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.8.2 Keywords: Jacked Muscle Extremec | Operating System: Architecture: Unknown/Multiple | Unknown/Multiple Difficulty: Unknown | Type of failure: Blocked By: | None/Unknown Related Tickets: | Test Case: | Blocking: ------------------------------------------+-------------------------------- Who actually the upper chest this has to give such a faggot ill that hits the lower chest this bench doesn't allow that enables therefore improvise what I have right here and the chance you guys might have an account you might have a pension actually just I don’t for the goal here to keep this angle here so are we activate the lower portion over chest fear that's why I have here it was as hit man a slut load is getting too coming up guys thanks for the help to come that way for the fall it other tests like you basically pushing the 40 parallel well for your body so that the class you legal at or below for the chess you go closer he is organized for the borough more inside the chest working as you bring his hands out further looking more the mass building on the out a four-ship says yes it does 360 this change up your replacement always kunai replace comments I walk outside one cool really what for what to change up keep the muscle confusion practiced said event all that we saw still fire place to live your keyboard him that we're not meant for football fire this me she lucky then well there is a [http://jackedmuscleextremefacts.com/ Jacked Muscle Extreme] waffle behind Smith couple over here is fashioned here for me. of course we'll ask her to glow a shorter with coming down to see portion guys at on the decline for 25 the chest with your for scripts FRL party what's this workout business to plan attacks to ensure use of yourself reached massive potential a few capabilities guys polished platinum 28 I guarantee success guys just looking like you must have a plan of action for your life if you don't guarantee you become the plant someone else's life this right guys the final exercise numbers even lucky 7 man as you can tell my aunt low below as with text on it the whole time you guys is that your balls to the wall still mad again what have you been doing up to this point were even here. http://jackedmuscleextremefacts.com/ -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9303> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #9302: Ingredients are safe free herbal natural
by GHC 12 Jul '14

12 Jul '14

#9302: Ingredients are safe free herbal natural -----------------------------------------+--------------------------------- Reporter: lawooryajeek | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.8.2 Keywords: Jacked Muscle Extreme | Operating System: Architecture: Unknown/Multiple | Unknown/Multiple Difficulty: Unknown | Type of failure: None/Unknown Blocked By: | Test Case: Related Tickets: | Blocking: -----------------------------------------+--------------------------------- The farmer the close grip on the other hand forces the arms to work through a much longer range of motion while the link above the chest contractions short this turns the press into a triceps rather than a pectoral exercised along with tips done with the body in an upright positions close grip barbell press is our primary masses great building exercised for developing the triceps using a smith machine has many of the advantages of training with the barbell without some other disadvantages which makes close grip presses on the smith machine an attractive alternative for close grip barbell precedence for example the fact that you don't have to balance and control the bar to the same degree allows you to keep your hands even closer together than when doing the exercise with the freeway but you're still lifting against the force of gravity which gives you like three just response an adaptation from the muscles so the result is the ability to achieve them maximum amount of isolation in your triceps training along with the strongest contraction of the muscles and these two elements as up to the utmost the intensity in your triceps [http://jackedmuscleextremefacts.com/ Jacked Muscle Extreme] training bench dips are a kind of a paradox oppressing movement done with the isolation and strictness 7 extension exercise as with parallel bar dips below are you going this movement the more intensity you generate as a matter a fact bench dips tend to beery popular with women many of whom like the upper body strength to do parallel bar dips when they first start raining but you donned to exercise proper care with this movement never drop down so far that your risk over stretching the muscles tendons and ligaments and incurring an injury keep the movement’s moved steady and under full control at all times for maximum development at the triceps try alternating bench depth with upright parallel park just in. http://jackedmuscleextremefacts.com/ -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9302> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #9300: Enhancing your stamina and makes you strong and healthy
by GHC 12 Jul '14

12 Jul '14

#9300: Enhancing your stamina and makes you strong and healthy -----------------------------------------+--------------------------------- Reporter: lawooryajeek | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.8.2 Keywords: Jacked Muscle Extreme | Operating System: Architecture: Unknown/Multiple | Unknown/Multiple Difficulty: Unknown | Type of failure: None/Unknown Blocked By: | Test Case: Related Tickets: | Blocking: -----------------------------------------+--------------------------------- The tax themselves to properly develop the chest the shortest forward from a backward track position tour that help spur squeeze to the point for contractions shoulder style forward and excellent work directly well the flat barbell bench press has always been one of the most popular upper body exercises because it not only develop the pectoral muscles put the triceps and the front deltoids as well however because so many different muscles are involved when you do bench presses be sure to use wide enough grip to bring the pack forcefully into play narrow grip forces the triceps to do disproportionate amount of [http://jackedmuscleextremefacts.com/ Jacked Muscle Extreme] work as we'll see later bring the bar down deliberately and under full control the negative or eccentric part of the breath is as important as the concentrate or positive lifting partisan movement over the bar to the middle of the chestnut too far up toward the neck stop then press it back up to full lockout position feeling the shoulders pressing forward and the chest muscles contracting if you live just with your arms with this exercise you'll never get the kind of chest development you're looking for bringing the bar to a full stop at the bottom is important when you balance the weight off your chest you risk injury and take away from the difficulty of the exercise so if you want full intensity from the bench press lower the bar to the chest and come to a full stop before pressing up against when you doing the bench press be sure to control the bar the speed at which it comes up and down and how far down you're going you don't want to forgive push your body back which were your chest is being over expanded and your arms a big push to the sides you feeling this caring sensation in the PEC Dec area issue guys. http://jackedmuscleextremefacts.com/ -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9300> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #2356: GHC accepts multiple instances for the same type in different modules
by GHC 11 Jul '14

11 Jul '14

#2356: GHC accepts multiple instances for the same type in different modules -------------------------------------+------------------------------------ Reporter: claus | Owner: Type: bug | Status: new Priority: low | Milestone: ⊥ 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: #5316 -------------------------------------+------------------------------------ Comment (by rwbarton): You can get this kind of instance incoherence without orphan instances or any extensions beyond `FlexibleInstances`. See https://gist.github.com/rwbarton/dd8e51dce2a262d17a80. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/2356#comment:16> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #6018: Injective type families
by GHC 11 Jul '14

11 Jul '14

#6018: Injective type families -------------------------------+------------------------------------------- Reporter: lunaris | Owner: jstolarek Type: feature | Status: new request | Milestone: 7.10.1 Priority: normal | Version: 7.4.1 Component: Compiler | Keywords: TypeFamilies, Injective Resolution: | Architecture: Unknown/Multiple Operating System: | Difficulty: Unknown Unknown/Multiple | Blocked By: Type of failure: | Related Tickets: #4259 None/Unknown | Test Case: | Blocking: | -------------------------------+------------------------------------------- Changes (by jstolarek): * owner: simonpj => jstolarek Comment: Simon, I'm stealing this one from you :-) -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/6018#comment:37> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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