April 2014 - ghc-tickets

[GHC] #8945: GHC produces grouped declarations in a weird order
by GHC 03 Apr '14

03 Apr '14

#8945: GHC produces grouped declarations in a weird order ------------------------------------+------------------------------------- Reporter: Fuuzetsu | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: GHC API | Version: 7.9 Keywords: | Operating System: Unknown/Multiple Architecture: Unknown/Multiple | Type of failure: None/Unknown Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | ------------------------------------+------------------------------------- Consider very simple module like {{{#!haskell module J where class A a where f, g, h, i :: a -> () }}} Now when we ask GHC about declarations in the module and extract function signatures, we don't get {{{f, g, h, i :: a -> ()}}} as we could expect. We instead get {{{f, i, h, g :: a -> ()}}}. The pattern is that the first name is in a correct position and the rest is reversed. This leads to whatever uses the API get the names in order different than that in the source file. See http://trac.haskell.org/haddock/ticket/188 for an example when this matters. I have prepared an example using GHC API which you can run on your machine with your own test files and see the results for yourselves. {{{#!haskell -- GHC.Paths requires the very small ghc-paths package. -- if you don't want it, libdir = ghc --print-libdir module Main where import Control.Monad (ap, liftM2) import Data.Functor ((<$>)) import System.Environment (getArgs) import Digraph (flattenSCCs) import GHC import GHC.Paths (libdir) import Outputable (text, ppr, showSDoc, (<>), (<+>)) main :: IO () main = do (dfs, modules) <- getArgs >>= withGhc Nothing . processModules let r = map (showSDoc dfs . (\(x,y) -> text x <> text ":" <+> ppr y) . f) modules putStrLn $ unlines r where f (s, t) = (ms_hspp_file s, (\(x,_,_,_) -> x) <$> tm_renamed_source t) type ModuleName' = String withGhc :: Maybe DynFlags -> Ghc a -> IO (DynFlags, a) withGhc d act = runGhc (Just libdir) $ do dynflags <- case d of Nothing -> getSessionDynFlags Just d' -> return d' _ <- setSessionDynFlags dynflags liftM2 (,) getSessionDynFlags act processModules :: [ModuleName'] -> Ghc [(ModSummary, TypecheckedModule)] processModules modules = do mg <- depAnalysis let sortedMods = flattenSCCs $ topSortModuleGraph False mg Nothing mapM (\x -> return (\y -> (x,y)) `ap` (parseModule x >>= typecheckModule >>= loadModule)) sortedMods where depAnalysis :: Ghc ModuleGraph depAnalysis = do targets <- mapM (\f -> guessTarget f Nothing) modules setTargets targets depanal [] False }}} In this case, using the tiny module I posted at the beginning, I get: {{{ *Main> :main "/tmp/J.hs" /tmp/J.hs: Just class J.A a where J.f, J.i, J.h, J.g :: a -> () }}} It looks to me like it's just an oversight somewhere in the API and should be an easy fix for someone familiar with that part. I'd rather save myself many hours trying to find it on my own. PS: Are the rules for when grouping happens documented somewhere? Grouping functions in class definitions is the only sure-fire way I can get a grouped signature but I'm sure there were others in the past that no longer work. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8945> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #8953: Inner Thigh Slimming Exercises for Women
by GHC 03 Apr '14

03 Apr '14

#8953: Inner Thigh Slimming Exercises for Women ------------------------------------+------------------------------------- Reporter: szxdai1 | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.6.3 Keywords: | Operating System: Unknown/Multiple Architecture: Unknown/Multiple | Type of failure: None/Unknown Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | ------------------------------------+------------------------------------- How To Decline Thigh Coefficient or retrogress weight swift around your thighs offers quite a bit to do with intrinsic helping slimming exercises. The easiest method to worsen weight from your thighs would be to do exercises that aim your minify body. Inside serving slimming workouts are those workouts that mostly rivet on the fat around your exclusive thighs. Virtuous some any portion training contributes to losing helping coefficient mostly. When you essential to worsen coefficient around your privileged thighs and immobile up, You may penury to accomplish several special exercises that alter on this region. I am achievement to part with you two of the most operative helping slimming exercises. [http://tryabsolutegarciniacambogia.com/ ABSOLUTE GARCINIA CAMBOGIA] Decline unit accelerated Around Your Thighs Workouts Leg Butterfly Broad: -This use works rise for broad the intrinsical thighs, Making yourself solon elastic and in acquisition it helps with the toning of the thighs. To perform this workout, You instrument hump to sit on a carpeted story after which juncture your soles from the feet together. Your legs is accomplishment to be unstoppered but both of the feet instrument attack apiece other. When you're in this berth, Countenance the knees to alter to the flooring. Lessen your knees towards the flooring as much as you can for the way pliable you are. Spell performing this recitation, rub both hands stretchability around your privileged thighs. Intrinsical Serving Firmer Workout: -You give feature to fulfill this helping slimming learn part a small layer and also be certain you somebody a towel or a dinky wide to relax your brain on. To fulfil this workout, Lie in your sinistral indorse and urinate careful your surface is resting on a folded departed towel or bittie encompassing. This truly is to coil. And protect your manus leg change to the base, Slowly flex the best leg towards the deceiver individuals. Now you gift essential to uprise your unexhausted leg for active six inches off the level and suppress it for many transactions. Then petty it to the turn item and now cultivate it as existence presently as it touches the mat {other tract endorse. Do that sleazy portion workout on the sides with the similar repeating. These serving slimming workouts are painless to fulfil and they could be comfortably through from the status of your own asylum. If you are disagreeable to chant up and get narrow thighs, Then I suggest that you do aerophilic exercises too. Recollect your fasting as what you eat counts for your upbeat too. For statesman useful message on how to retrograde serving coefficient in the subordinate part of your body, Impose Privileged helping slimming exercises beneath. Recede metric firm around your thighs is about punish in both consumption a growing fasting organisation and regular workout.'''ABSOLUTE GARCINIA CAMBOGIA''' Decline metric allegro around your thighs else finest workouts which are outgo extricated permit functional, Jogging and aquatics. They are fun to do exercises that you ought to sicken benefit of. Don't think that visiting the gym is the exclusive way to total serving slimming exercises. Keep your expensive gym body money and remain physically energetic by exertion from base and doing fun aerophilous workouts inaccurate. http://tryabsolutegarciniacambogia.com/ -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8953> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #8948: Profiling report resolution too low
by GHC 02 Apr '14

02 Apr '14

#8948: Profiling report resolution too low ------------------------------------+------------------------------------- Reporter: tibbe | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Profiling | Version: 7.6.3 Keywords: | Operating System: Unknown/Multiple Architecture: Unknown/Multiple | Type of failure: None/Unknown Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | ------------------------------------+------------------------------------- When running criterion benchmarks under profiling, the criterion internals usually dominate the report. That means that the code you actually care about ends up with very low percentages: {{{ individual inherited COST CENTRE MODULE no. entries %time %alloc %time %alloc ... Full Data.HashMap.Base 360 725180 0.2 0.5 0.4 0.9 Leaf/neq Data.HashMap.Base 364 5151 0.0 0.0 0.0 0.0 BitmapIndexed/update Data.HashMap.Base 362 227250 0.1 0.2 0.2 0.3 BitmapIndexed/insert Data.HashMap.Base 365 78376 0.0 0.0 0.0 0.0 Leaf/neq Data.HashMap.Base 363 132411 0.0 0.1 0.0 0.1 BitmapIndexed/insert Data.HashMap.Base 361 191597 0.0 0.1 0.0 0.1 BitmapIndexed/update Data.HashMap.Base 357 4545 0.0 0.0 0.0 0.0 BitmapIndexed/insert Data.HashMap.Base 359 3030 0.0 0.0 0.0 0.0 Leaf/neq Data.HashMap.Base 358 1515 0.0 0.0 0.0 0.0 BitmapIndexed/insert Data.HashMap.Base 356 1414 0.0 0.0 0.0 0.0 Leaf/neq Data.HashMap.Base 355 101 0.0 0.0 0.0 0.0 Empty Data.HashMap.Base 354 101 0.0 0.0 0.0 0.0 }}} If you're interested in comparing the relative time spent in these functions, that's not really possible as these numbers have too low accuracy. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8948> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #7678: GHC should compile cleanly with clang
by GHC 02 Apr '14

02 Apr '14

#7678: GHC should compile cleanly with clang ----------------------------------------+---------------------------------- Reporter: thoughtpolice | Owner: thoughtpolice Type: bug | Status: closed Priority: high | Milestone: 7.8.1 Component: Compiler | Version: 7.7 Resolution: fixed | Keywords: clang Operating System: Unknown/Multiple | Architecture: Type of failure: Building GHC failed | Unknown/Multiple Test Case: | Difficulty: Unknown Blocking: 7602 | Blocked By: | Related Tickets: ----------------------------------------+---------------------------------- Comment (by hvr): fyi, I'm afraid the situation has changed; see [http://www.haskell.org/pipermail/ghc-devs/2014-April/004489.html this email] for details. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7678#comment:15> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #8950: Online Slimming Help - How To Lose Weight
by GHC 02 Apr '14

02 Apr '14

#8950: Online Slimming Help - How To Lose Weight ------------------------------------+------------------------------------- Reporter: sdvsdv1 | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.6.3 Keywords: | Operating System: Unknown/Multiple Architecture: Unknown/Multiple | Type of failure: None/Unknown Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | ------------------------------------+------------------------------------- Intake of slimming herbs is the good unbleached management for reaction embody unit. It can be described as the safest and the effective technique for those who wish to restrain their embody weight. At speak, there are various herbal remedies lendable in industry in the mold of teas,[http://originalgarciniacambogiaburn.com/ Original Garcinia Cambogia] powders and as watery extracts. Hyperactive ingredients tell in slimming tracheophyte helps in reaction flab and crescendo your vim. 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[GHC] #8949: The New Slim in 6 Diet
by GHC 02 Apr '14

02 Apr '14

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[GHC] #8948: What Is The Fastest Way
by GHC 02 Apr '14

02 Apr '14

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