July 2014 - ghc-tickets

[GHC] #9297: Weight losing product gives you long lasting results without any effort
by GHC 11 Jul '14

11 Jul '14

#9297: Weight losing product gives you long lasting results without any effort -------------------------------------------------+------------------------- Reporter: mehraangupta | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: Keywords: fresh bloodless class kernel | 7.8.2 take away | Operating System: Architecture: Unknown/Multiple | Unknown/Multiple Difficulty: Unknown | Type of failure: Blocked By: | None/Unknown Related Tickets: | Test Case: | Blocking: -------------------------------------------------+------------------------- Again thanks for watching minds jotting within sampan lost but she said the life listed I'm Corrine Rachel I'm a certified health coach in today I want to give you can easy ways to lose weight so want to start out by asking you a question do you consume products like these that have the word diet or have the word light on that I'll do you think that they’re hoping you lose weight today I'm going to give you can easy core optical tips that will help you lose weight I'm going to tell you the truth about products like peas at the root up weight loss live hunger and my first it is to learn how to control your hunger so that hunger stop controlling you it'sgonna be a lot easier to live our lives before just not feeling hungry all the time then it will constantly hungry and we’re constantly trying to resist eating its cell I have a couple videos the talk about controlling hunger the primary thing Hills eating whole natural since [http://purewhitekidneybeanextractfacts.com/ clear milky variety nugget obtain] as long as you're eating a diet up processed foods you are always going to feel hungry never going to really feel satisfied eating lot of refined carbohydrates and sugar is also going to contribute to you never really being able to satisfy your hunger but once you can actually satisfy your hunger and achieve that feeling up being whole that’s going to be the first step to really losing weight the calories but we drink are perhaps the most insidious calories that we consume because we don't associate sugary drinks with weight gain the way we associate candy bars and hamburgers was waiting but you can just imagine that big goal on your thighs because sugary drinks do turn in the fact and do 'cause weakening so game of sugary drinks is. http://purewhitekidneybeanextractfacts.com/ -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9297> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #9296: This weight losing solution is helpful in reducing Your huge and bulky figure
by GHC 11 Jul '14

11 Jul '14

#9296: This weight losing solution is helpful in reducing Your huge and bulky figure -------------------------------------------------+------------------------- Reporter: mehraangupta | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: Keywords: fresh bloodless class kernel | 7.8.2 take away | Operating System: Architecture: Unknown/Multiple | Unknown/Multiple Difficulty: Unknown | Type of failure: Blocked By: | None/Unknown Related Tickets: | Test Case: | Blocking: -------------------------------------------------+------------------------- The liver does not regulate fat metabolism efficiently weight gain tends to occur around the belly area an effort to bring abdomen also known as a potbelly will develop another side a bit on healthy liver can be a row a fact under the operatic get the liver filters not function correctly can remove the small fact lobules Kyle microns that circulate in the bloodstream these extra Kyle microns can build up another organs and fatty deposits under the scan which can lead to cellulite which tends to be found in your butt fish arms and belly it can be very difficult to lose this abdominal fat until the liver function [http://purewhitekidneybeanextractfacts.com/ fresh bloodless class kernel take away] as improved that's one of the major reasons that the older we get the fatter we get so but I basically trying to say is this when your liver is caught up with junk it will be difficult to lose weight no matter how much dieting and exercise you down ever wonder why whenever you would diet and then stop you gain the weight right back but clean out your liver properly and turn it right back into the fat burning metabolism boosting organ that it can be imagine starting a good weight loss program but the healthy liver that’s regularly bring fact for you 24 hours away seven days a week even while you sleep the key here is to get your body is healthy as possible before beginning a proper weight loss program I believe it starting weight loss program with how cleansing and purifying. http://purewhitekidneybeanextractfacts.com/ -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9296> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #9295: Eliminating all extra fats from my body
by GHC 11 Jul '14

11 Jul '14

#9295: Eliminating all extra fats from my body -------------------------------------------------+------------------------- Reporter: mehraangupta | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: Keywords: fresh bloodless class kernel | 7.8.2 take away | Operating System: Architecture: Unknown/Multiple | Unknown/Multiple Difficulty: Unknown | Type of failure: Blocked By: | None/Unknown Related Tickets: | Test Case: | Blocking: -------------------------------------------------+------------------------- Your system and you use more weight while exercising in the morning know this is sometimes debated you know oh you can also lose your muscle mass but you know generally if you're if you’re eating light furious that was a little bit muscle mass you think your protein intake up though so definitely tracked not here what do you know there I'm sorry milt on is acting crazy his rambunctious today so definitely keep your protein that something obviously for and also help you maintain your muscle mass and I would suggest using chicken breast mean white me and green turkey roast turkey an or fish now fish is an always [http://purewhitekidneybeanextractfacts.com/ fresh bloodless class kernel take away] the cheapest and love what I’m doing right now is a grilled salmon per se I mean that’s great that's a little more on the pricey side so if you’re on a budget go for Latvia on how a bit wearable whitefish and dozens don't have chief issue reverse it is a really good for those of you who are starting off but the mean things are just read that lemon water in the morning to metabolism going E a clean break this I've been trying to stay away from a lot of meets lately with the exception of adding a chicken breast my solid and for lunch for the past 3-4 weeks have any solid every day and you would be surprised at how doing those things can be and ait’s really been helping you lose weight extremist on it you mean mister a quick okay so I don't you guys we not see difference but I definitely deal so it's been hoping he told a lot but when I'm were on the stamps in roles in the mix it's not helping like a sec at me that processed be and these are just some quick simple tips and a half for you and another thing you know in regards to motivation is look at pictures and what do youwanna look like don't look at them. http://purewhitekidneybeanextractfacts.com/ -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9295> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #9271: Avoid unnecessary clock_gettime() syscalls in GC stats.
by GHC 10 Jul '14

10 Jul '14

#9271: Avoid unnecessary clock_gettime() syscalls in GC stats. -------------------------------------------+------------------------------- Reporter: brbr | Owner: simonmar Type: task | Status: new Priority: normal | Milestone: Component: Runtime System | Version: 7.8.2 Keywords: | Operating System: POSIX Architecture: Unknown/Multiple | Type of failure: Difficulty: Easy (less than 1 hour) | None/Unknown Blocked By: | Test Case: Related Tickets: | Blocking: -------------------------------------------+------------------------------- Avoid unnecessary clock_gettime() syscalls in GC stats. https://phabricator.haskell.org/D39 Avoiding the unnecessary call appears to save ~12ms of work per second. That's 17 minutes a day! Unsure if the frequency of this particular GC stats function for this `fib` program is the same for all Haskell programs.. Simple benchmark program with before/after `strace -c` output: {{{ fib 0 = 0 fib 1 = 1 fib n = fib (n-1) + fib (n-2) main = putStrLn $ show (fib 35) }}} Before: {{{ % time seconds usecs/call calls errors syscall ------ ----------- ----------- --------- --------- ---------------- 52.73 0.110738 5 20318 clock_gettime 44.16 0.092733 5 20319 rt_sigprocmask 2.14 0.004503 8 532 rt_sigreturn 0.24 0.000514 21 25 mmap ... 0.00 0.000008 8 1 set_robust_list 0.00 0.000007 7 1 select ------ ----------- ----------- --------- --------- ---------------- 100.00 0.210001 41285 10 total }}} After: {{{ % time seconds usecs/call calls errors syscall ------ ----------- ----------- --------- --------- ---------------- 59.24 0.094986 5 20319 rt_sigprocmask 36.85 0.059094 6 10161 clock_gettime 2.78 0.004463 8 527 rt_sigreturn 0.26 0.000417 17 25 mmap ... 0.00 0.000007 7 1 set_robust_list 0.00 0.000006 6 1 select ------ ----------- ----------- --------- --------- ---------------- 100.00 0.160354 31123 10 total }}} `nofib` results: {{{ -------------------------------------------------------------------------------- Program Size Allocs Runtime Elapsed TotalMem -------------------------------------------------------------------------------- anna -0.0% 0.0% 0.10 0.10 0.0% ansi -0.0% 0.0% 0.00 0.00 0.0% atom -0.0% 0.0% +0.4% 0.0% 0.0% awards -0.0% 0.0% 0.00 0.00 0.0% banner -0.0% 0.0% 0.00 0.00 0.0% bernouilli -0.0% 0.0% 0.15 0.15 0.0% binary-trees -0.0% 0.0% +0.3% +0.3% 0.0% boyer -0.0% 0.0% 0.04 0.04 0.0% boyer2 -0.0% 0.0% 0.00 0.00 0.0% bspt -0.0% 0.0% 0.01 0.01 0.0% cacheprof -0.0% -0.0% +0.5% +0.5% +1.8% calendar -0.0% 0.0% 0.00 0.00 0.0% cichelli -0.0% 0.0% 0.08 0.08 0.0% circsim -0.0% 0.0% -0.6% -0.2% 0.0% clausify -0.0% 0.0% 0.03 0.03 0.0% comp_lab_zift -0.0% 0.0% 0.18 0.18 0.0% compress -0.0% 0.0% 0.15 0.15 0.0% compress2 -0.0% 0.0% 0.16 0.16 0.0% constraints -0.0% 0.0% -0.4% -0.2% 0.0% cryptarithm1 -0.0% 0.0% +0.4% +0.7% 0.0% cryptarithm2 -0.0% 0.0% 0.01 0.01 0.0% cse -0.0% 0.0% 0.00 0.00 0.0% eliza -0.0% 0.0% 0.00 0.00 0.0% event -0.0% 0.0% 0.14 0.14 0.0% exp3_8 -0.0% 0.0% 0.19 0.19 0.0% expert -0.0% 0.0% 0.00 0.00 0.0% fannkuch-redux -0.0% +0.0% +0.3% +0.1% 0.0% fasta -0.0% 0.0% +0.8% +1.2% 0.0% fem -0.0% 0.0% 0.02 0.02 0.0% fft -0.0% 0.0% 0.04 0.04 0.0% fft2 -0.0% 0.0% 0.05 0.05 0.0% fibheaps -0.0% 0.0% 0.02 0.02 0.0% fish -0.0% 0.0% 0.01 0.01 0.0% fluid -0.0% 0.0% 0.01 0.01 0.0% fulsom -0.0% 0.0% -2.3% -2.3% 0.0% gamteb -0.0% 0.0% 0.03 0.03 0.0% gcd -0.0% 0.0% 0.03 0.03 0.0% gen_regexps -0.0% 0.0% 0.00 0.00 0.0% genfft -0.0% 0.0% 0.04 0.04 0.0% gg -0.0% 0.0% 0.02 0.02 0.0% grep -0.0% 0.0% 0.00 0.00 0.0% hidden -0.0% 0.0% +1.0% +1.5% 0.0% hpg -0.0% 0.0% 0.17 0.17 0.0% ida -0.0% 0.0% 0.07 0.07 0.0% infer -0.0% 0.0% 0.06 0.06 0.0% integer -0.0% 0.0% -5.0% -4.9% 0.0% integrate -0.0% 0.0% 0.13 0.13 0.0% k-nucleotide -0.0% 0.0% -0.4% -0.4% 0.0% kahan -0.0% 0.0% -0.7% 0.0% 0.0% knights -0.0% 0.0% 0.01 0.01 0.0% lcss -0.0% 0.0% +1.3% +0.9% 0.0% life -0.0% 0.0% -2.4% -2.4% 0.0% lift -0.0% 0.0% 0.00 0.00 0.0% listcompr -0.0% 0.0% 0.07 0.07 0.0% listcopy -0.0% 0.0% 0.09 0.09 0.0% maillist -0.0% +0.0% 0.06 0.06 -1.1% mandel -0.0% 0.0% 0.06 0.06 0.0% mandel2 -0.0% 0.0% 0.00 0.00 0.0% minimax -0.0% 0.0% 0.00 0.00 0.0% mkhprog -0.0% 0.0% 0.00 0.00 0.0% multiplier -0.0% 0.0% 0.12 0.12 0.0% n-body -0.0% 0.0% +1.4% +1.5% 0.0% nucleic2 -0.0% 0.0% 0.05 0.05 0.0% para -0.0% 0.0% 0.0% 0.0% 0.0% paraffins -0.0% 0.0% 0.12 0.12 0.0% parser -0.0% 0.0% 0.03 0.03 0.0% parstof -0.0% 0.0% 0.00 0.00 0.0% pic -0.0% 0.0% 0.00 0.00 0.0% pidigits -0.0% 0.0% -0.4% -0.4% 0.0% power -0.0% 0.0% 0.0% +0.4% +3.6% pretty -0.0% 0.0% 0.00 0.00 0.0% primes -0.0% 0.0% 0.07 0.07 0.0% primetest -0.0% 0.0% 0.07 0.07 0.0% prolog -0.0% 0.0% 0.00 0.00 0.0% puzzle -0.0% 0.0% 0.14 0.14 0.0% queens -0.0% 0.0% 0.01 0.01 0.0% reptile -0.0% 0.0% 0.02 0.02 0.0% reverse-complem -0.0% 0.0% 0.12 0.12 0.0% rewrite -0.0% 0.0% 0.01 0.01 0.0% rfib -0.0% 0.0% 0.02 0.02 0.0% rsa -0.0% 0.0% 0.02 0.02 0.0% scc -0.0% 0.0% 0.00 0.00 0.0% sched -0.0% 0.0% 0.02 0.02 0.0% scs -0.0% 0.0% -0.8% -0.8% 0.0% simple -0.0% 0.0% 0.0% 0.0% 0.0% solid -0.0% 0.0% 0.13 0.13 0.0% sorting -0.0% 0.0% 0.00 0.00 0.0% spectral-norm -0.0% 0.0% 0.0% 0.0% 0.0% sphere -0.0% 0.0% 0.04 0.04 0.0% symalg -0.0% 0.0% 0.01 0.01 0.0% tak -0.0% 0.0% 0.01 0.01 0.0% transform -0.0% 0.0% 0.0% 0.0% 0.0% treejoin -0.0% 0.0% 0.16 0.16 0.0% typecheck -0.0% 0.0% 0.20 0.20 0.0% veritas -0.0% 0.0% 0.00 0.00 0.0% wang -0.0% 0.0% 0.13 0.13 0.0% wave4main -0.0% 0.0% 0.0% 0.0% 0.0% wheel-sieve1 -0.0% 0.0% 0.0% 0.0% 0.0% wheel-sieve2 -0.0% 0.0% -1.6% -2.4% 0.0% x2n1 -0.0% 0.0% 0.00 0.00 0.0% -------------------------------------------------------------------------------- Min -0.0% -0.0% -5.0% -4.9% -1.1% Max -0.0% +0.0% +1.4% +1.5% +3.6% Geometric Mean -0.0% -0.0% -0.3% -0.3% +0.0% }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9271> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #7936: newStdGen leaks memory when result is not used
by GHC 10 Jul '14

10 Jul '14

#7936: newStdGen leaks memory when result is not used -------------------------------------+------------------------------------ Reporter: ryantrinkle | Owner: rrnewton Type: bug | Status: patch Priority: normal | Milestone: 7.10.1 Component: libraries/random | Version: 7.6.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Unknown/Multiple Type of failure: Runtime crash | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: -------------------------------------+------------------------------------ Changes (by thomie): * cc: rrnewton (added) * status: new => patch Comment: https://github.com/haskell/random/pull/8 -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7936#comment:3> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #4218: System.Random is way too lazy
by GHC 10 Jul '14

10 Jul '14

#4218: System.Random is way too lazy ---------------------------------+----------------------------------------- Reporter: EyalLotem | Owner: rrnewton Type: bug | Status: patch Priority: low | Milestone: 7.10.1 Component: | Version: 6.12.3 libraries/random | Keywords: random stack overflow Resolution: | Architecture: Unknown/Multiple Operating System: | Difficulty: Unknown Unknown/Multiple | Blocked By: Type of failure: None/Unknown | Related Tickets: Test Case: | Blocking: | ---------------------------------+----------------------------------------- Changes (by thomie): * status: new => patch Comment: https://github.com/haskell/random/pull/8 -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4218#comment:11> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #6018: Injective type families
by GHC 10 Jul '14

10 Jul '14

#6018: Injective type families -------------------------------+------------------------------------------- Reporter: lunaris | Owner: simonpj 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 heisenbug): * cc: ggreif@… (added) -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/6018#comment:36> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #9282: GHCi ignores .dyn_hi files
by GHC 10 Jul '14

10 Jul '14

#9282: GHCi ignores .dyn_hi files ----------------------------------+------------------------------------- Reporter: mietek | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: GHCi | Version: 7.8.2 Keywords: | Operating System: Unknown/Multiple Architecture: x86_64 (amd64) | Type of failure: Other Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | ----------------------------------+------------------------------------- With both `.o` and `.dyn_o` object files available, GHCi 7.8.2 ignores the dynamic object files. {{{ $ cat >Foo.hs <<EOF module Foo where foo :: IO () foo = print "Foo" EOF }}} {{{ $ ghc -Wall -c -dynamic-too -o Foo.o Foo.hs }}} {{{ $ ghci GHCi, version 7.8.2: http://www.haskell.org/ghc/ :? for help Loading package ghc-prim ... linking ... done. Loading package integer-gmp ... linking ... done. Loading package base ... linking ... done. > :l Foo [1 of 1] Compiling Foo ( Foo.hs, interpreted ) Ok, modules loaded: Foo. > }}} As '''rwbarton''' mentioned on IRC, the reason becomes apparent with `ghci -ddump-if-trace` {{{ FYI: cannot read old interface file: mismatched interface file ways (wanted "dyn", got "") }}} This happens both on OS X and Linux. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9282> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #9292: Race condition when multiple threads wait for a process
by GHC 10 Jul '14

10 Jul '14

#9292: Race condition when multiple threads wait for a process -------------------------------------+------------------------------------- Reporter: snoyberg | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: libraries/process | 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: | -------------------------------------+------------------------------------- Consider the following code: {{{ import System.Process import Control.Concurrent.Async main :: IO () main = do (_, _, _, ph) <- createProcess $ shell "sleep 1" let helper i = do ec <- waitForProcess ph print (i :: Int, ec) ((), ()) <- concurrently (helper 1) (helper 2) return () }}} If I compile with the single threaded runtime, I get the output {{{ (2,ExitSuccess) (1,ExitSuccess) }}} But when compiling with the multithreaded runtime, I get: {{{ bin: waitForProcess: does not exist (No child processes) }}} If you need to wait for a process from multiple threads, you can do so now by having a dedicated wait thread which writes to an MVar or TMVar, but the current default behavior can be surprising. I discussed this in a [http://www.yesodweb.com/blog/2014/07/rfc-new-data- conduit-process blog post], and there was some [http://www.reddit.com/r/haskell/comments/2abmwu/rfc_new_dataconduitprocess/… conversation on Reddit]. At the least, I think we need better documentation, but if there's a better solution, that would be best. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9292> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #9290: ghci panic on ':type'
by GHC 10 Jul '14

10 Jul '14

#9290: ghci panic on ':type' ----------------------------------+------------------------------------- Reporter: raichoo | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: GHCi | Version: 7.8.2 Keywords: | Operating System: Unknown/Multiple Architecture: x86_64 (amd64) | Type of failure: None/Unknown Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | ----------------------------------+------------------------------------- Hi, I just made ghci panic by doing the following: {{{ λ» let inf = 1 + inf λ» :sprint inf inf = _ λ» :print inf inf = (_t1::Num a => a) λ» :t _t1 ghc: panic! (the 'impossible' happened) (GHC version 7.8.2 for x86_64-unknown-linux): tcTyVarDetails a{tv au3} [tv] Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug }}} Kind regards, raichoo -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9290> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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