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Difficulty: Difficult (2-5 days) (1 match)

Ticket Summary Status Owner Priority Milestone Component
#4012 Compilation results are not deterministic new high 7.6.2 Compiler

Difficulty: Easy (less than 1 hour) (3 matches)

Ticket Summary Status Owner Priority Milestone Component
#1487 unix package: test needed for getLoginName new adrien lowest 7.6.2 libraries/unix
#4048 ghc-pkg should check for existence of extra-libraries new low 7.6.2 Package system
#4268 Annotation extension needs a flag new normal 7.6.2 Compiler

Difficulty: Moderate (less than a day) (8 matches)

Ticket Summary Status Owner Priority Milestone Component
#806 hGetBufNonBlocking doesn't work on Windows new normal _|_ libraries/base
#1057 Implicit parameters on breakpoints new normal _|_ GHCi
#1400 :set +r doesn't work for interpreted modules new simonmar normal _|_ GHCi
#670 External Core is broken new tim normal _|_ External Core
#149 missed CSE opportunity new normal _|_ Compiler
#1466 Stack check for AP_STACK new simonmar normal 7.6.2 Compiler
#1498 Optimisation: eliminate unnecessary heap check in recursive function new low 7.6.2 Compiler
#4451 Re-linking avoidance is too aggressive new simonmar normal 7.6.2 Compiler

Difficulty: Unknown (88 matches)

Ticket Summary Status Owner Priority Milestone Component
#3178 Fix linking -lpthread for semaphores new -- normal _|_ libraries/unix
#7359 unix-2.6.0.0 fails to install on mac os x with 7.4.* (works with 7.6.1) new igloo highest 7.6.3 libraries/unix
#7399 Test Posix004 fails in test-suite new normal 7.8.1 libraries/unix
#427 Random.StdGen slowness new rrnewton normal _|_ libraries/random
#2280 randomR too slow new rrnewton normal _|_ libraries/random
#3575 mkStdGen and split conspire to make some programs predictable new rrnewton normal _|_ libraries/random
#3620 The seeds generated by split are not independent new rrnewton normal _|_ libraries/random
#7379 rangeTest test fails on Windows new normal 7.8.1 libraries/random
#2301 Proper handling of SIGINT/SIGQUIT new normal 7.6.2 libraries/process
#5761 Getting stdout and stderr as a single handle from createProcess does not work on Windows new normal 7.6.2 libraries/process
#7229 Detecting if a process was killed by a signal is impossible new high 7.8.1 libraries/process
#1062 Bad output from Text.PrettyPrint.HughesPJ new normal _|_ libraries/pretty
#7666 excessive space and time usage for rendering (somewhat) deeply nested Docs new dterei normal 7.8.1 libraries/pretty
#2184 if findExecutable finds a file that matchs the argument, check if it is an executable new lowest 7.6.2 libraries/directory
#5014 canonicalizePath throws exception on paths that do not exist new low 7.6.2 libraries/directory
#5966 getAppUserDataDirectory does not respect XDG specification new normal 7.6.2 libraries/directory
#7473 getModificationTime gives only second-level resolution new normal 7.8.1 libraries/directory
#7604 System.Directory.canonicalizePath "" behaviour differs between platforms new normal 7.8.1 libraries/directory
#229 Integer overflow in array allocation new low _|_ libraries/base
#1473 isSpace is too slow new normal _|_ libraries/base
#2140 cpuTimePrecision is wrong for me on Windows (XP) new lowest 7.6.2 libraries/base
#2189 hSetBuffering stdin NoBuffering doesn't work on Windows new normal 7.6.2 libraries/base
#2450 Data.Complex.magnitude squares using ^(2 :: Int), which is slow new lowest 7.6.2 libraries/base
#2496 Invalid Eq/Ord instances in Data.Version new duncan normal _|_ libraries/base
#2528 nub not as reliable as nubBy new normal 7.8.1 libraries/base
#2628 hIsTerminalDevice returns True for /dev/null (aka NUL) on Windows new normal _|_ libraries/base
#3065 Reorder tests in quot to improve code new lowest 7.6.2 libraries/base
#3231 Permission denied error with runProcess/openFile new simonmar normal 7.6.2 libraries/base
#3517 GHC has lots of extra hidden IOErrorType values new low 7.6.2 libraries/base
#3628 exceptions reported to stderr when they propagate past forkIO new -- normal _|_ libraries/base
#5797 readRawBufferPtr cannot be interrupted by exception on Windows with -threaded new normal _|_ libraries/base
#5859 unsafeInterleaveIO duplicates computation when evaluated by multiple threads new simonpj high 7.6.2 libraries/base
#5982 Incorrect dynamic library name in OSX new normal 7.6.2 libraries/base
#5983 Libraries installed in wrong place new normal 7.6.2 libraries/base
#7045 The `Read` instance of `Rational` does not support decimal notation new normal 7.6.2 libraries/base
#7161 hSetNewlineMode and hSetEncoding can be performed on closed and semi-closed handles new normal 7.8.1 libraries/base
#7353 Make system IO interruptible on Windows new normal 7.8.1 libraries/base
#7373 When building GHC: Failed to load interface for `GHC.Fingerprint' new normal 7.8.1 libraries/base
#7464 git tag for base-4.6.0.0 missing new igloo normal 7.8.1 libraries/base
#7482 GHC.Event overwrites main IO managers hooks to RTS new AndreasVoellmy normal 7.8.1 libraries/base
#7634 MD5 collision could lead to SafeHaskell violation new normal 7.8.1 libraries/base
#7787 modifyMVar does not restore value if callback returns error value new high 7.8.1 libraries/base
#3606 The Ord instance for unboxed arrays is very inefficient new lowest 7.6.2 libraries (other)
#5666 Can't use writeFile to write unicode characters. new normal 7.6.2 libraries (other)
#5827 /usr/local hard-coded in cabal new duncan normal 7.6.2 libraries (other)
#5861 bytestring: incorrect documentation for hGetContents new duncan normal 7.6.2 libraries (other)
#6101 Show instance for integer-simple is not lazy enough new normal 7.8.1 libraries (other)
#7011 32bit GHC 7.4.2 cannot compile integer-gmp on OS X 10.8 new high 7.8.1 libraries (other)
#7309 The Ix instance for (,) leaks space in range new normal _|_ libraries (other)
#5442 ghc-pkg unregister --user/--global/--package-conf not normative new high 7.8.1 ghc-pkg
#5537 ghc doesn't find libffi.so.5 in testsuite new low 7.6.2 Test Suite
#7305 T5975a is broken on Windows new normal 7.8.1 Test Suite
#1012 ghc panic with mutually recursive modules and template haskell new lowest 7.6.2 Template Haskell
#1201 ghci runs Template Haskell splices 4 times new simonpj low _|_ Template Haskell
#1476 Template Haskell: splicing types and patterns new low _|_ Template Haskell
#1831 reify never provides the declaration of variables new normal _|_ Template Haskell
#7066 isInstance does not work for compound types new simonpj normal 7.8.1 Template Haskell
#7200 template-haskell-2.7.0.0 fails to build with GHC 7.0.4 due to missing pragma new duncan high 7.8.1 Template Haskell
#7241 GHC-7.6.1 panics on template haskell code new simonpj normal 7.8.1 Template Haskell
#7277 Recompilation check fails for TH unless functions are inlined new high 7.6.2 Template Haskell
#7484 Template Haskell allows building invalid record fields/names new normal 7.8.1 Template Haskell
#7667 Template Haskell fails to recognize type operator/function + new normal 7.8.1 Template Haskell
#7687 ghc panic on TH and deriveJSON new normal 7.8.1 Template Haskell
#418 throwTo to a thread inside 'block' new lowest _|_ Runtime System
#926 infinite loop in ShutdownIOManager() new lowest _|_ Runtime System
#1147 Quadratic behaviour in the compacting GC new normal _|_ Runtime System
#1820 Windows segfault-catching only works for the main thread new lowest 7.6.2 Runtime System
#2161 finaliser of a ForeignPtr called while references from unreachable threads exist new low 7.6.2 Runtime System
#2401 aborting an STM transaction should throw an exception new -- low 7.6.2 Runtime System
#3048 Heap size suggestion gets ignored when -G1 flag is passed new normal _|_ Runtime System
#3061 GHC's GC default heap growth strategy is not as good as other runtimes new lowest 7.6.2 Runtime System
#3081 Double output after Ctrl+C on Windows new normal _|_ Runtime System
#3107 Over-eager GC when blocked on a signal in the non-threaded runtime new lowest 7.6.2 Runtime System
#3654 Mach-O GHCi linker lacks support for a range of relocation entries new normal 7.6.2 Runtime System
#4005 Bad behaviour in the generational GC with paraffins -O2 new normal _|_ Runtime System
#4824 Windows: Dynamic linking doesn't work out-of-the-box new low 7.6.2 Runtime System
#5620 Dynamic linking and threading does not work on Windows new igloo high 7.6.2 Runtime System
#6079 SEH exception handler not implemented on Win64 new normal 7.6.2 Runtime System
#7097 linker fails to load package with binding to foreign library new high 7.8.1 Runtime System
#7189 RTS Assertion Crash new simonmar normal 7.8.1 Runtime System
#7289 Mingw FPU init not Windows compatible. new high 7.8.1 Runtime System
#7320 GHC crashes when building on 32-bit Linux in a Linode new simonmar high 7.6.2 Runtime System
#7325 threadDelay mistreats minBound and maxBound in some configurations new high 7.6.2 Runtime System
#7602 Threaded RTS performing badly on recent OS X (10.8?) new thoughtpolice high 7.8.1 Runtime System
#7670 StablePtrs should be organized by generation for efficient minor collections new normal 7.8.1 Runtime System
#7723 iOS patch no 12: Itimer.c doesn't work on iOS new normal 7.8.1 Runtime System
#7762 when using lots of memory: internal error: evacuate(static): strange closure type 4 new normal 7.8.1 Runtime System
#7831 Bad fragmentation when allocating many large objects new ezyang normal 7.8.1 Runtime System
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