Timeline


and

Oct 9, 2010:

2:37 PM Ticket #4384 (building hashed-storage 0.4.3: Expected one of wanted constraints (BUG)) created by dsf
Using GHC 7.0.1-rc1 with the patch for trac#4345, while compiling …
2:19 PM Ticket #4315 (Generalize the 'RandomGen' and 'Random' classes) closed by TomMD
wontfix

Oct 8, 2010:

5:59 PM Ticket #4383 (Uncanonical display of Double) created by daniel.is.fischer
[…] Should of course be 8.69...e-311, just to have it on record for …
4:50 PM GpHEden/Meetings edited by hwloidl
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4:31 PM Ticket #4382 (GHC trac doesn't work well behind load balancing NAT.) created by draconx
Behind a load balancing NAT router, it is very difficult to do things with …
4:14 PM Ticket #4381 (scaleFloat does not handle overflow correctly.) created by draconx
If you call scaleFloat with a somewhat large integer value, the result …
3:26 PM Ticket #4358 (infinite loop on unification with a type family context) closed by simonpj
fixed: Thanks for the example. This seems comprehensively fixed by the latest …
3:21 PM Ticket #4355 (Coud not deduce (Typeable a) from context (Typeable a, …)) closed by simonpj
fixed: Excellent. Fixed by this lovely patch: […] Simon
3:16 PM Ticket #4361 (Typechecker regression) closed by simonpj
fixed: Aha. It turns out that Sergei is pushing the boundaries here. It's not at …
3:14 PM Ticket #4360 (compiler crash building hashed-storage 0.5.3) closed by simonpj
fixed: Oops. Fixed by […]
2:56 PM Ticket #4380 (Use throwIO instead of throw in an IO context) created by basvandijk
Some functions in base use throw where the type of the expression is …
2:08 PM Ticket #4379 (Add Random instances for more base types) created by basvandijk
Proposal: Add Random instances for: * all the types in Data.Int: …
12:43 PM GpHEden/Meetings edited by hwloidl
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11:27 AM Ticket #4371 (ghc panic: ToDo: Match.viewLExprEq) closed by simonpj
fixed: Right. Fixed by […]
11:19 AM Ticket #4345 (Compiler crash building regex-posix version 0.94.1 using ghc 7.0.1-rc1) closed by simonpj
fixed: Done. Fixed by […]
11:14 AM Ticket #4349 (ASSERT failed! file compiler/types/FamInstEnv.lhs) closed by simonpj
fixed: Great. Fixed by […] Simon
9:23 AM Changeset in ghc [0b6b9fb5]ghc-7.8wip/Cabal-1.20wip/T8545-ghc-7.8wip/T8776wip/T8995-level-generalisationwip/nested-cprwip/pattern-synonymswip/recurs-compat by Vivian McPhail <haskell.vivian.mcphail@…>
add a test for multiline do, GHCi #4316 This patch ensures the GHCi interpreter recognises multiline do commands.
9:23 AM Changeset in testsuite [7b87f3b6]at-defaultsatomicsdata-kind-syntaxencodingghc-7.2ghc-7.4ghc-7.6ghc-deferghc-new-comonad-compno-pred-tyoverlapping-tyfamspatch-4404patch-5014patch-5084tc-untouchablesth-newtype-natstype-nats-simpleunboxed-tuple-argumentsunboxed-tuple-arguments2wip/nested-cprwip/pattern-synonymswip/th-new by Vivian McPhail <haskell.vivian.mcphail@…>
add a test for multiline do, GHCi #4316 This patch ensures the GHCi interpreter recognises multiline do commands.
7:35 AM Ticket #4378 (Add IsString and Monoid instances for Doc) created by basvandijk
The proposal is to add the following to Text.PrettyPrint.HughesPJ: …

Oct 7, 2010:

6:24 PM Ticket #4377 (sizedText function for Text.PrettyPrint) created by lerkok
The Text.PrettyPrint library has a text function for converting …
2:29 PM PerformanceWarnings edited by simonmar
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1:45 PM PerformanceWarnings edited by simonmar
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11:42 AM Ticket #4376 (Unexpected failures in testsuite due to .ghci) created by daniel.is.fischer
Running the testsuite, I get e.g. […] since it reads ~/.ghci. I think …
6:39 AM Ticket #4241 (Optimization causes HUnit to behave incorrectly) closed by beej175560
fixed: I confirm this is fixed in 6.12.3.

Oct 6, 2010:

9:23 PM Ticket #4375 (read :: String -> StdGen behaves oddly with respect to documentation.) created by ConorMcBride
Says the documentation: "read may be used to map an arbitrary string (not …
3:11 PM Ticket #4374 (Remove in-tree gmp) created by igloo
We already have the binary GMP DLL for Windows in the GHC tree. We should …
2:31 PM Ticket #4373 (Lexer does not handle unicode numeric subscripts) created by liamoc
Hi all, I would fix this myself but the GHC Lexer looks rather fragile …
10:19 AM Status/SLPJ-Tickets edited by simonpj
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10:16 AM Ticket #4372 (Extending quasiquotation support) created by simonpj
Gershom Bazerman (gershomb@…) writes: Attached is an experimental …
10:04 AM Ticket #4371 (ghc panic: ToDo: Match.viewLExprEq) created by mafo
The attached test-case triggers a ghc: panic! (the 'impossible' happened) …
8:28 AM Ticket #2455 (Building ticky-ticky profiling libraries doesn't work) closed by simonmar
wontfix: Irrelevant now - we don't have a -ticky way any more.
8:10 AM Status/SLPJ-Tickets edited by simonpj
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7:43 AM Ticket #4370 (Bring back monad comprehensions) created by simonpj
George Giorgidze writes: My colleagues and I are working on Haskell …

Oct 5, 2010:

10:41 PM Building/Porting edited by aogail
Updated touch command; see … (diff)
9:58 PM Building/Porting edited by igloo
Fix … (diff)
7:10 PM BugSweep edited by michalt
Remove closed tickets. (diff)
6:18 PM Ticket #4369 (No instances for Eq and Ord for Located e) created by tibbe
There are no Eq and Ord instances for Located e. Such instances …
5:50 PM PerformanceWarnings edited by dons
tweaks (diff)
3:59 PM Ticket #3508 (Remove stg_noforceIO_info hack) closed by simonmar
fixed: Done […]
3:02 PM BuildBot edited by EricKow
link to justification for buildbot switch (diff)
2:59 PM BuildBot edited by EricKow
link to wiki page for Builder (replacement for buildbot) (diff)
2:27 PM Ticket #4034 (GHC > 6.10 fails to build on PowerPC / MacOS X Leopard) closed by maeder
fixed: I could create a binary dist for ghc-7 RC1 (that will hopefully do to …
2:04 PM Ticket #4368 (T4144(dyn) failing on x86/Linux) created by simonmar
[…]
1:32 PM Ticket #4367 (Compiler space regression in 7.0.1 RC 1) created by igloo
There's a compiler space regresion in 7.0.1 RC 1. Seems to be around a …
12:05 PM Ticket #4366 (in-tree GMP build problem with shared libraries) created by simonmar
Reported by Vivian McPhail? <haskell.vivian.mcphail@…> on …
9:10 AM PerformanceWarnings edited by simonmar
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9:06 AM PerformanceWarnings edited by simonmar
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7:27 AM Changeset in base [2ef6026]data-proxydbcsencodingghc-7.2ghc-7.4ghc-7.6ghc-7.8imp-param-classmonad-compsupercompilertype-reasoningwindows-iocp by Bas van Dijk <v.dijk.bas@…>
Added initial .authorspellings
7:27 AM Changeset in ghc [9e176dc] by Bas van Dijk <v.dijk.bas@…>
Added initial .authorspellings

Oct 4, 2010:

5:51 PM Ticket #4365 (Error handle in readProcess not closed) created by guest
I guess this is almost harmless, as GC will close them anyway, but since …
5:48 PM Changeset in process [89373a0]encodingghc-7.2ghc-7.4ghc-7.6ghc-7.8 by gracjanpolak@…>
Close error handle in readProcessWithExitCode
5:27 PM Ticket #4364 (Template Haskell: Cycle in type synonym declarations) created by igloo
type-level-numbers-0.1 doesn't build with 7.0.1 RC 1. Here's the …
9:28 AM Ticket #4363 (openFile sharing permissions are inconsistent across platforms) created by jystic
System.IO.openFile seems to have inconsistent behaviour across platforms …
12:49 AM Ticket #4362 (error in multithreaded program "epollControl: does not exist (No such file ...) created by guest
I wrote a program that is a standard multi threaded tcp server. It listens …

Oct 3, 2010:

4:50 PM Ticket #4282 (Proposal: make Data.List.intersperse and intercalate less strict) closed by igloo
fixed: Applied, thanks
4:09 PM Ticket #4361 (Typechecker regression) created by igloo
Here's the essence of the regression DoCon? showed up, reported here: …
1:20 PM Ticket #4360 (compiler crash building hashed-storage 0.5.3) created by ganesh
[…] This happens with cabal install hashed-storage-0.5.3, but …

Oct 2, 2010:

11:57 PM Ticket #4359 (Implement lambda-case/lambda-if) created by batterseapower
I put together a patch for this Haskell' proposal …
11:12 PM Changeset in base [2b17b2a]data-proxydbcsencodingghc-7.2ghc-7.4ghc-7.6ghc-7.8imp-param-classmonad-compsupercompilertype-reasoningwindows-iocp by Daniel Fischer <daniel.is.fischer@…>
Lazier intersperse A lazier implementation of intersperse, and consequentially intercalate, to avoid space leaks.
11:12 PM Changeset in ghc [efc5f12b] by Daniel Fischer <daniel.is.fischer@…>
Lazier intersperse A lazier implementation of intersperse, and consequentially intercalate, to avoid space leaks.
10:42 PM Ticket #4323 (Change implementation of intersectBy) closed by igloo
fixed: Patch applied, thanks.
10:42 PM Ticket #4228 (atanh (-1) returns NaN instead of -Infinity) closed by igloo
fixed: Patch applied, thanks.
6:10 PM Commentary/Libraries edited by igloo
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5:40 PM PerformanceWarnings edited by dons
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5:23 PM PerformanceWarnings created by dons
1:06 PM Building/RunningTests edited by igloo
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1:01 PM Building/RunningTests edited by igloo
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12:57 PM Building/StandardTargets edited by igloo
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Oct 1, 2010:

6:17 PM Ticket #4358 (infinite loop on unification with a type family context) created by patrick_premont
The following throws ghc (and ghci) in a loop (ghc-7.0.0.20100925 for …
1:17 AM Ticket #4297 (`gmake clean' or `gmake distclean' does not clean up testsuite directory) closed by igloo
fixed: Running make test in the root of the build tree now does the right …
1:15 AM Ticket #4300 (:show packages does not list all loaded packages) closed by igloo
fixed: As far as I can see, it's never worked, and as you say, the information is …

Sep 30, 2010:

6:57 PM Ticket #4287 (GHC command invocation debug output not in correct format for cmd.exe) closed by igloo
fixed: Fixed in HEAD: […]
6:45 PM Ticket #4357 (Parallel build broken) created by fw
Here is what I did: […] nohup.out is attached. The first error I …
6:39 PM Ticket #4253 (stage1 compiler uses packages out of the user database) closed by igloo
fixed: Fixed by: […]
3:21 PM Ticket #4356 (type instance doesn't work when the type is (->)) created by sjoerd_visscher
This doesn't work in 7.0.0.20100924. It works fine in 6.12.3. […] …
2:47 PM Ticket #4355 (Coud not deduce (Typeable a) from context (Typeable a, …)) created by maltem
Attached is a module containing code from XMonadContrib that does not …
2:09 AM Blog: Let generalisation in GHC 7.0 edited by simonpj
1:54 AM Blog: Let generalisation in GHC 7.0 edited by simonpj
1:53 AM Blog: Let generalisation in GHC 7.0 created by simonpj

Sep 29, 2010:

11:52 PM Ticket #4354 (OS X installer deletes old versions, breaks symlinks) created by elaforge
The .pkg installer for ghc removes previous versions of ghc and leaves …
10:39 PM Ticket #4353 (windows installer: docs should use / in urls, not \) closed by igloo
fixed: Aha, thanks. Fixed in GHC 7.0 and HEAD haddock branches by: […]
7:01 PM Ticket #4353 (windows installer: docs should use / in urls, not \) created by claus
split up from #4292, as requested. Description there was: Documentation …
5:59 PM Ticket #4292 (Windows installer (6.12.3) issues) closed by igloo
fixed: 1 already has another ticket. I've filed #4352 for 2. 3 isn't an issue, …
5:58 PM Ticket #4341 (Bug in hsc2hs documentation) closed by igloo
fixed: Fixed in 7.0 and HEAD: […]
5:35 PM Ticket #4352 (no ghc/haskell icon for .hs files on Windows) created by igloo
Claus reported: The icons directory doesn't exist, no ghc/haskell icon …
3:54 PM Ticket #4351 (internal error: awaitEvent: descriptor out of range) created by guest
My program is crashing at runtime with the error below. The program is a …
3:05 PM Commentary/Packages/MultiInstances edited by simonmar
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3:05 PM Commentary/Packages/MultiInstances edited by simonmar
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3:04 PM Commentary/Packages/MultiInstances created by simonmar
2:52 PM Packages edited by simonmar
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2:48 PM Packages edited by simonmar
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2:47 PM PackageCompatibility created by simonmar
2:46 PM Packages edited by simonmar
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2:45 PM PackageReorg/Rationale created by simonmar
2:45 PM Packages edited by simonmar
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2:44 PM PackageReorg created by simonmar
2:43 PM Packages edited by simonmar
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2:42 PM PackageMounting created by simonmar
2:26 PM Ticket #4327 (OPTIONS_GHC messages still mention deprecated OPTIONS pragma) closed by igloo
fixed: Fixed in HEAD and 7.0: […]

Sep 28, 2010:

11:24 PM Ticket #4274 (Runtime should not set SIGPIPE to ignored for subprocesses) closed by igloo
fixed: Merged.
10:57 PM Changeset in process [16a0800]encodingghc-7.2ghc-7.4ghc-7.6ghc-7.8 by Ian Lynagh <igloo@…>
Merge System.Process.translate with System.Process.Internals.translate Avoids a name collision on Windows
9:09 PM Ticket #4350 (Compiler crash building latest binary package in hackage with 7.0.1-rc1) closed by igloo
worksforme: Thanks for the report. The HEAD binary repo certainly builds, as that's …
9:01 PM PackageImports created by simonmar
9:00 PM GhcPackageNamespaces created by simonmar
8:56 PM Packages edited by simonmar
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8:56 PM Commentary/Packages/PackageMountingProposal edited by simonmar
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8:53 PM Commentary/Packages/PackageNamespacesProposal edited by simonmar
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8:51 PM Commentary/Packages/PackageNamespacesProposal edited by simonmar
Name changed from GhcPackageNamespaces to … (diff)
8:51 PM Commentary/Packages/GhcPackagesProposal edited by simonmar
Name changed from GhcPackages? to Commentary/Packages/GhcPackagesProposal (diff)
8:46 PM Commentary/Packages/PackageReorg/Rationale edited by simonmar
Name changed from PackageReorg/Rationale to … (diff)
8:45 PM Commentary/Packages/PackageReorg edited by simonmar
Name changed from PackageReorg to Commentary/Packages/PackageReorg (diff)
8:44 PM Commentary/Packages/PackageMountingProposal edited by simonmar
Name changed from PackageMounting to … (diff)
8:43 PM Commentary/Packages/PackageImportsProposal edited by simonmar
Name changed from PackageImports to … (diff)
8:42 PM Commentary/Packages/PackageCompatibilityProposal edited by simonmar
Name changed from PackageCompatibility to … (diff)
7:13 PM Ticket #4350 (Compiler crash building latest binary package in hackage with 7.0.1-rc1) created by dsf
My understanding is that the binary package should now be provided …
5:49 PM Ticket #4349 (ASSERT failed! file compiler/types/FamInstEnv.lhs) created by daniel.is.fischer
Building the current HEAD (darcs pull -a; ./darcs-all pull -a today) …
7:25 AM Ticket #4348 (bounds error on sparc when compiling haddock) created by maeder
trying to build a binary ghc-7.1 under sparc solaris failed (late) as …

Sep 27, 2010:

9:36 PM Ticket #4347 (Bug in unification of polymorphic and not-yet-polymorphic type) created by dolio
The new type checker in GHC 7 seems to reject some cases of impredicative …
9:10 PM Ticket #4305 (Add showCommandForUser to process:System.Process) closed by igloo
fixed: Consensus was to apply the patch, with a haddock doc to clarify which …
9:06 PM Ticket #3961 (-O results in incorrect behavior) closed by simonpj
fixed: OK so it looks as if it's fixed. Good. I'm clsoing te ticket. Simon
6:37 AM Ticket #4269 (Abort trap when building HEAD on OS X) closed by judahj
fixed: I just successfully built GHC 7.0.1 release candidate 1 (from the source …
6:36 AM Ticket #4346 (Behaviour of INLINABLE depends on whether the modules included are already ...) created by milan
When investigating containers performance, I came across the following …
5:43 AM Ticket #4345 (Compiler crash building regex-posix version 0.94.1 using ghc 7.0.1-rc1) created by dsf
[…]

Sep 26, 2010:

11:50 PM Ticket #4344 (Better toRational for Float and Double) created by daniel.is.fischer
The implementation of toRational in the Real instances of Float and …
9:06 PM Changeset in process [8cdface]encodingghc-7.2ghc-7.4ghc-7.6ghc-7.8 by Ian Lynagh <igloo@…>
Define showCommandForUser; fixes proposal #4305
7:21 PM Changeset in base [d71ca65]data-proxydbcsencodingghc-7.2ghc-7.4ghc-7.6ghc-7.8imp-param-classmonad-compsupercompilertype-reasoningwindows-iocp by Bas van Dijk <v.dijk.bas@…>
Add throwSTM :: Exception e => e -> STM a
7:21 PM Changeset in ghc [834b9cfa] by Bas van Dijk <v.dijk.bas@…>
Add throwSTM :: Exception e => e -> STM a
7:21 PM Changeset in base [0b899bb]data-proxydbcsencodingghc-7.2ghc-7.4ghc-7.6ghc-7.8imp-param-classmonad-compsupercompilertype-reasoningwindows-iocp by Bas van Dijk <v.dijk.bas@…>
Generalize catchSTM
7:21 PM Changeset in ghc [55d1537] by Bas van Dijk <v.dijk.bas@…>
Generalize catchSTM
3:06 PM Ticket #4343 (Add throwSTM and generalize catchSTM) created by basvandijk
Currently the only way to throw an exception in an …
1:38 PM Ticket #4342 (Review containers changes) created by igloo
The recent containers changes have caused an allocation regression in GHC: …
12:11 AM Ticket #4341 (Bug in hsc2hs documentation) created by mitar
In hsc2hs documentation it is written that for -c flag ghc is used …

Sep 25, 2010:

10:19 PM Ticket #4340 (Add alignment to hsc2hs template) created by mitar
I think …
7:45 PM Changeset in process [442b86f]encodingghc-7.2ghc-7.4ghc-7.6ghc-7.8 by Simon Marlow <marlowsd@…>
fix building with GHC < 7.0
7:40 PM Ticket #4339 (Control.Concurrent.threadDelay is in microseconds contrary to ...) closed by igloo
worksforme: I can't see where this is wrong in HEAD or 6.12.3. If you still think it's …
7:17 PM Changeset in process [31e0f26]encodingghc-7.2ghc-7.4ghc-7.6ghc-7.8 by Simon Marlow <marlowsd@…>
Allow waitForProcess to be interrupted by throwTo (and hence Ctrl-C)
12:47 PM Ticket #4339 (Control.Concurrent.threadDelay is in microseconds contrary to ...) created by osaunders
The documentation for Control.Concurrent.threadDelay says it waits the …
10:35 AM Ticket #4338 (weird discrepancies between TFs and FDs in GHC7) created by illissius
I'm trying to do some seemingly equivalent code with GHC7 as of 09/19, …
9:01 AM Building/MacOSX edited by JerryM
minor edit (diff)
12:32 AM Ticket #4337 (Better power for Rational) created by daniel.is.fischer
Proposal: A better implementation of powers for Rational Discussion …

Sep 24, 2010:

10:13 PM Changeset in base [1523de9]data-proxydbcsencodingghc-7.2ghc-7.4ghc-7.6ghc-7.8imp-param-classmonad-compsupercompilertype-reasoningwindows-iocp by Bas van Dijk <v.dijk.bas@…>
Replaced some throws to throwIOs where the type is IO
10:13 PM Changeset in ghc [c60ff20b] by Bas van Dijk <v.dijk.bas@…>
Replaced some throws to throwIOs where the type is IO
9:59 PM Ticket #4336 (Better implementation of recip for Ratio a) created by daniel.is.fischer
Proposal: A better implementation of recip for Ratio a Discussion …
9:47 PM Ticket #4335 (fromRational broken for Ratio a) created by daniel.is.fischer
The Fractional instance for Ratio a in GHC.Real defines […] For …
7:01 PM Ticket #4334 (Make lines stricter to fix space leak) created by daniel.is.fischer
I propose changing the implementation of lines to be stricter. The …
5:08 PM Ticket #4321 (Unexpected stack overflow prevented by superfluous type annotation) closed by igloo
fixed: Test added.
4:51 PM Ticket #4333 (Proposal: Improve Data.IntSet) closed by milan
fixed: Applied.
4:50 PM Ticket #4312 (Proposal: Further performance improvements of Data.Set) closed by milan
fixed: Applied.
4:50 PM Ticket #4311 (Proposal: Further performance improvements of Data.Map) closed by milan
fixed: Applied.
4:49 PM Ticket #4280 (Proposal: Performance improvements for Data.Set) closed by milan
fixed: Applied.
4:49 PM Ticket #4279 (Proposal: Performance improvements for Data.IntMap) closed by milan
fixed: Applied with INLINE => INLINABLE changes.
4:49 PM Ticket #4277 (Proposal: Significant performance improvements for Data.Map) closed by milan
fixed: Applied with INLINE => INLINABLE changes.
2:39 PM Status/SLPJ-Tickets edited by simonpj
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1:17 PM Ticket #3808 (piping binary files sometimes fail) closed by igloo
fixed: Merged

Sep 23, 2010:

1:21 PM Ticket #4331 (Obsolete note about UNPACK pragmas and warnings) closed by igloo
fixed: Thanks for the report; fixed: […]
1:05 PM Ticket #4333 (Proposal: Improve Data.IntSet) created by milan
The Data.Map, Data.Set and Data.IntSet has gone through some enhancements …
12:35 PM Ticket #2193 (Monomorphic Pattern Bindings and Error Messages) closed by simonpj
fixed: This works with GHC 7.0. Simon
12:22 PM Ticket #4328 (profiled ghc: Oops! Entered absent arg ww_s6mj{v} [lid] ...) closed by simonpj
fixed: Fixed by […]

Sep 22, 2010:

9:52 PM Ticket #4317 (Add comments to the definition of IODeviceType (module GHC.IO.Device)) closed by igloo
fixed: Both merged
9:51 PM Ticket #4193 (Add function to create new hashtables with a default size) closed by igloo
fixed: Merged
4:59 PM Ticket #4332 (regression: GHCi command output can no longer be redirected on a ...) created by claus
For writing advanced GHCi scripts, it is very helpful to be able to …
4:54 PM Ticket #4290 (hClose002 test fails on Solaris/x86 due to bad expected output) closed by igloo
fixed: Applied, thanks!
4:53 PM Ticket #4255 (Give a civilised error (not seg fault) when using TH in a profiled ...) closed by igloo
fixed: I've added the test, and fixed up various other things along the way. The …
1:23 PM Ticket #4330 (Weird runtime Crash) closed by simonmar
fixed: Doesn't seem to happen with 7.0: […] So I imagine the problem was …
11:45 AM Ticket #4331 (Obsolete note about UNPACK pragmas and warnings) created by tibbe
With the new UNPACK pragma warning, this statement is obsolete: "If a …
9:20 AM Ticket #4330 (Weird runtime Crash) created by nomeata
I’m sure you like such summaries... but I could not do any better. In the …

Sep 21, 2010:

9:33 PM Ticket #4139 (Spurious non-exhaustive pattern match warnings are given using GADTs) closed by simonpj
invalid: Now I look at your example, I see that your claim isn't true! Consider …
8:18 PM Ticket #4329 (GHC.Conc modifyTVar primitive) created by dmbarbour
I would like modifyTVar as a 'write-only' primitive supported by GHC's …
7:59 PM Ticket #4328 (profiled ghc: Oops! Entered absent arg ww_s6mj{v} [lid] ...) created by igloo
Validating on amd64/Linux with mk/validate.mk containing: […] fails …
3:21 PM Ticket #3497 (Template Haskell support for GADTs) closed by simonpj
fixed: OK this is done: * For reifying instances see #1480 * For GADTs, TH …
2:49 PM Building/Modifying edited by simonmar
document make TRACE=1 (diff)
1:36 PM Ticket #4322 (High CPU usage during idle time due to GC) closed by simonmar
invalid: Thanks; I'm closing the bug (don't be put off by the "invalid", it's just …
1:35 PM Ticket #4326 (Failed building GHC - Error linking on OS X) closed by igloo
fixed: Thanks for the report. Fixed, by making GHCi use the .a files on OS X.
1:34 PM Ticket #3260 (Linking stage2 on PPC gives "scattered reloc r_address too large") closed by igloo
fixed: Fixed, by making GHCi use the .a files on OS X.

Sep 20, 2010:

10:30 PM Ticket #4327 (OPTIONS_GHC messages still mention deprecated OPTIONS pragma) created by br1
The GHC docs indicate that the OPTIONS pragma is deprecated and …
12:18 PM WikiStart edited by simonmar
Move GpH link to the commentary section (diff)
12:17 PM Commentary edited by simonmar
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12:16 PM Commentary edited by simonmar
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12:16 PM Commentary edited by simonmar
add GphEden? (diff)
9:55 AM BugSweep edited by simonmar
update link (diff)
9:53 AM WorkingConventions edited by simonmar
tidy up the page, moving most content into subpages with clear links (diff)
9:48 AM workflow.png attached to WorkingConventions/BugTracker by simonmar
9:48 AM WorkingConventions/BugTracker created by simonmar
9:46 AM WorkingConventions/Darcs edited by simonmar
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9:44 AM GettingStarted edited by simonmar
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9:41 AM WorkingConventions edited by simonmar
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9:35 AM WikiStart edited by simonmar
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9:35 AM WikiStart edited by simonmar
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9:34 AM WikiStart edited by simonmar
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9:33 AM WikiStart edited by simonmar
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9:33 AM WikiStart edited by simonmar
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9:33 AM WikiStart edited by simonmar
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9:32 AM Debugging/InstallingPackagesInplace edited by simonmar
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9:31 AM Debugging/InstallingPackagesInplace edited by simonmar
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9:30 AM Debugging/InstallingPackagesInplace edited by simonmar
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9:20 AM Debugging edited by simonmar
Move link to HackageTesting here (diff)
9:19 AM WikiStart edited by simonmar
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5:39 AM Ticket #4326 (Failed building GHC - Error linking on OS X) created by AntoineLatter
When linking: "/usr/bin/ld" -r -o …

Sep 19, 2010:

10:46 PM Ticket #4324 (Template Haskell: Splicing Infinite Syntax Tree doesn't stop) closed by igloo
invalid: That's the expected behaviour. The splice is a program that is run at …
7:30 PM Status/SLPJ-Tickets edited by simonpj
(diff)
7:29 PM Ticket #700 (Inconsistent typechecking of pattern match in function binding) closed by simonpj
fixed: Works fine with the new typechecker. Simon
7:26 PM Ticket #2239 (lack of improvement/reduction with TFs) closed by simonpj
fixed: The new typechecker is happy with all these except complexFD and …
7:02 PM Ticket #3692 (Bogus type error message in type with constraints after the arrow) closed by simonpj
fixed: Happily this module compiles fine with the new typechecker. I'll add it …
6:57 PM Ticket #3851 (type family does not get expanded in ghc-6.12.1) closed by simonpj
fixed: OK this code compiles fine now with the new typechecker (in HEAD), as does …
4:27 PM Ticket #4200 (UndecidableInstances not needed for equality constraints) closed by simonpj
fixed: Fixed by […]
4:16 PM Ticket #3500 (Type functions and recursive dictionaries) closed by simonpj
fixed: These examples work fine with the new typechecker, which will be in GHC …
3:50 PM Ticket #1123 (Impredicativity bug: forall not hoisted properly) closed by simonpj
fixed: The original test, and the runA2 one boh work fine with the new …
3:39 PM Ticket #3696 (Incorrect type inferred with -fwarn-missing-signatures and a type class) closed by simonpj
fixed: Finally fixed by […] Simon
3:38 PM Ticket #4325 (Deriving regression) closed by simonpj
fixed: Ahs yes, a small oversight thanks. Fixed by […]
3:06 PM Commentary/Libraries edited by simonpj
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3:04 PM Building edited by simonpj
(diff)
1:23 PM Ticket #4088 (GHCi crash) closed by igloo
worksforme: I can't reproduce this.
12:37 PM Ticket #4325 (Deriving regression) created by igloo
First reported here: …
2:50 AM Builder edited by ezyang
OpenSSL was fixed! (diff)

Sep 18, 2010:

5:36 PM Ticket #4224 (Remove "class DOpt" after new typechecker merge) closed by igloo
fixed: Done: […]
5:08 PM Ticket #4324 (Template Haskell: Splicing Infinite Syntax Tree doesn't stop) created by guest
Splicing an infinite syntax tree causes compile-time infinite loop. e.g. …
3:45 PM Ticket #3896 (Make the GHC build system accommodate extra packages) closed by igloo
fixed: Done: […]
3:38 PM Ticket #3972 (ghc 6.12.1 and 6.13.20090922 consume a lot more memory than 6.10.4 when ...) closed by igloo
fixed: Test added.
3:29 PM Ticket #4254 (Fundeps and equalities) closed by simonpj
fixed: Fine with the new typechecker. ok1 an ok1 pass (which I now think …
3:21 PM Ticket #4179 (Infinite loop with type function inference) closed by simonpj
fixed: Happily this works with the new typechecker. Simon
3:12 PM Ticket #3826 (Can't infer type (type family as "element" type)) closed by simonpj
fixed: Happily this does now indeed work with the new typechecker, so closing. …
9:00 AM Ticket #3787 (GHC 6.12.1 panic) closed by simonpj
fixed
2:11 AM Builder edited by ezyang
fix the lines, and mention it's fixed in Darcs (diff)

Sep 17, 2010:

6:39 PM Changeset in process [701e320]encodingghc-7.2ghc-7.4ghc-7.6ghc-7.8 by Ian Lynagh <igloo@…>
Bump dependencies
3:27 PM Ticket #4178 (Lazy evaluation of type families causes quantified type variables to ...) closed by simonpj
fixed: Great. Both hasTrouble and hasNoTrouble are fine now. Simon
3:20 PM Ticket #4226 (Lifting constraints is questionably correct for implicit parameters.) closed by simonpj
fixed: I've tidied this up I think. It's all rater a dark corner. GHC now treat …
3:01 PM Changeset in unix [14022b5]encodingghc-7.2ghc-7.4ghc-7.6ghc-7.8 by Ian Lynagh <igloo@…>
Bump version to 2.4.1.0
1:19 PM Changeset in directory [384b49a]encodingghc-7.2ghc-7.4ghc-7.6ghc-7.8patch-5014 by Ian Lynagh <igloo@…>
Bump version to 1.1.0.0
8:21 AM Ticket #3330 (Type checker hangs) closed by simonpj
fixed: Right. All these are fine now; they all fail but with a decent error …
6:28 AM Ticket #3554 (ASSERT failed! file TcMType.lhs line 349) closed by simonpj
fixed: This is fine with the new typechecker.
6:26 AM Ticket #4160 (Panic! at the HEAD) closed by simonpj
fixed: This turned out to be a very subtle bug in the coercion optimiser, which …

Sep 16, 2010:

5:00 PM Changeset in ghc [ce7e28e] by Ian Lynagh <igloo@…>
Bump version number to 0.2.0.2
5:00 PM Changeset in integer-gmp [09f84aa]ghc-7.2ghc-7.4ghc-7.6ghc-7.8wip/T8647 by Ian Lynagh <igloo@…>
Bump version number to 0.2.0.2
4:19 PM Changeset in process [3e43454]encodingghc-7.2ghc-7.4ghc-7.6ghc-7.8 by Ian Lynagh <igloo@…>
Bump version number 1.0.1.3 -> 1.0.1.4
3:12 PM Ticket #4323 (Change implementation of intersectBy) created by daniel.is.fischer
Currently, intersectBy eq xs [] takes O(length xs) time to calculate and …
3:01 PM Ticket #3840 (ghc-6.12.1 takes longer to compile code and produces bigger binaries ...) closed by simonpj
fixed: OK good. I'll mark it as fixed. Yell if it goes bad again! Simon
1:41 PM Ticket #4322 (High CPU usage during idle time due to GC) created by hesselink
We have a web application using happstack. It always used ~1% CPU, which …
12:59 PM Ticket #4321 (Unexpected stack overflow prevented by superfluous type annotation) created by bjpop
GHC versions affected: * 6.13.20100915 * 6.13.20090922 * 6.12.1 * …
11:56 AM Ticket #3390 (Upgrade the Windows build to use gcc 4.4.0) closed by simonmar
fixed: Fixed: […]
8:16 AM Ticket #2296 (Functional dependencies error message has no position information) closed by simonpj
fixed: I've tried your example Proof_default2 with the new typechecker, and …
12:42 AM Ticket #4320 (GHC Build System: make clean on windows requires ./configure to be rerun) created by dterei
On windows, with the ghc build system, if 'make clean' is run in the top …

Sep 15, 2010:

11:19 PM Ticket #4201 (Improve eta reduction) closed by simonpj
fixed: Done! […]
11:05 PM Ticket #4093 (compiler hangs (type checking?)) closed by simonpj
fixed: This is indeed fixed with the new typechecker. Can you try in your …
11:05 PM Ticket #4232 (Finish and merge new typechecker branch) closed by simonpj
fixed: New typechecker works, so we are unblocked. Simon
9:31 PM Ticket #4319 (Default to all cores for executables compiled with new flag -multicore) created by tim.v2.0
I propose a new flag -multicore, be added to the compiler which will …
9:27 PM Ticket #2859 (Reduce coercion terms to normal form) closed by simonpj
fixed: I implemented a coercion optimiser, some time ago. Hurrah.
4:57 PM Ticket #4240 (-ddump-minimal-imports vs. re-exported class methods) closed by simonpj
fixed: Great. Fixed by this patch, which also fixed a separate lurking bug …
4:10 PM Ticket #4299 (a less forceful INLINE pragma) closed by simonpj
fixed: Here's the documentation patch. […] Done! Not very thoroughly …
4:09 PM Ticket #1835 (Provide information of the instance environment) closed by simonpj
fixed: OK done. Patches to GHC […] and template-haskell package […] and …
4:02 PM Commentary/Libraries edited by simonpj
(diff)
3:18 PM Ticket #4318 (Crash while building HEAD on OS X) created by gwright
Building HEAD on OS X 10.6.3 using 6.10.4 as a bootstrap results in a …
2:52 PM Ticket #4309 (Painfully large errors with silly GADT instances) closed by simonpj
fixed: OK, done […] The error message now looks like: […]
1:04 PM Ticket #4317 (Add comments to the definition of IODeviceType (module GHC.IO.Device)) created by golubovsky
[…]
1:03 PM Ticket #2476 (internal error: awaitEvent: descriptor out of range) closed by simonmar
worksforme: old bug, and we couldn't reproduce it. As usual, please re-open if you …
1:01 PM Ticket #4187 (Seg fault with Text.Regex) closed by simonmar
worksforme: We can't make any progress on this one without being able to reproduce it. …
12:58 PM Ticket #3618 (memory-leak detector in +RTS -DS fails to track allocations in ...) closed by simonmar
fixed
12:40 PM Ticket #1579 (instance Read Integer contradicts Haskell98) closed by simonmar
fixed: This was easy, so I fixed it: […]
12:39 PM Ticket #1741 (Threaded RTS must use processor affinity and processor information) closed by simonmar
fixed: I implemented affinity on Windows: […] strangely it causes some …
12:37 PM Ticket #4246 ("Conflicting family instance declarations" error mentions code I did not ...) closed by simonpj
fixed: Your (very resonable) request pushed me over the top to doing a …
10:46 AM Ticket #4307 (Default to all cores for executables compiled with -threaded) closed by simonmar
wontfix: My take on this is that we're not ready to default to using all the cores …
4:57 AM Ticket #4316 (Interactive "do" notation in GHCi) created by mitar
Enable GHCi to run commands under StateT monad based on IO or maybe even …

Sep 14, 2010:

11:51 PM Ticket #4315 (Generalize the 'RandomGen' and 'Random' classes) created by TomMD
RandomGen? and Random classes assume generators produce Int values. This …
11:39 PM Ticket #4314 (Move 'split' from the 'RandomGen' class to a new 'SplittableGen' class) created by TomMD
The proposal is to: 1) Create the 'SplittableGen?' class in System.Random: …
4:21 PM Ticket #4313 (Proposal: Add left, right and strict folds to Data.Set, Data.IntMap and ...) created by milan
This proposal depends on #4278 and #4280. In accordance with a poll on …
4:12 PM Ticket #4312 (Proposal: Further performance improvements of Data.Set) created by milan
This proposal depends on #4280. This proposal further improves the …
4:04 PM Ticket #4311 (Proposal: Further performance improvements of Data.Map) created by milan
This proposal depends on #4277 and #4278. This proposal further improves …
2:22 PM Ticket #4184 (Squirrelly inliner behaviour leads to 80x slowdown) closed by simonpj
invalid: OK I looked at this. After an hour I realised that you have written …
1:48 PM Ticket #4265 (Sanity bug found by +RTS -DS in Agda) closed by simonmar
fixed: I think the sanity bug was fixed by: […] I can't reproduce the …
1:44 PM Ticket #4310 (Deferred equalities and forall types) created by simonpj
In the new typechecker we occasionally find we want an equality […] …
12:03 PM Ticket #4309 (Painfully large errors with silly GADT instances) created by pumpkin
If (for whatever reason) you decide to ask GHC to derive (using …
11:58 AM Ticket #4306 (UNPACK can lead to unnecessary copying and wasted stack space) closed by simonpj
fixed: Although this isn't a release-critical bug I couldn't resist fixing it …
9:24 AM Changeset in process [7d003ba]encodingghc-7.2ghc-7.4ghc-7.6ghc-7.8 by Simon Marlow <marlowsd@…>
fix #4198 with BINDIST=YES (config.compiler needs to be quoted)
8:59 AM Ticket #4273 (TextEncoding lacks Eq and Show instances) closed by simonmar
fixed: Fixed: […] I didn't add an Eq instance, but you can always get an …
8:55 AM Ticket #4291 (System.IO.Newline has no Show instance) closed by simonmar
fixed: Fixed: […]
8:54 AM Ticket #4225 (RTS -i (heap profiling interval) documentation could be clearer) closed by simonmar
fixed: Fixed; I excluded GC time from the figures reported in the profile. This …
8:52 AM Ticket #3672 (Let Linker.c know about stg_arg_bitmaps) closed by simonmar
fixed: Fixed: […]
6:29 AM Changeset in ghc [0a495e14]at-defaultsatomicsbetter-ho-cardinalitycardinalitycoerciblecoloured-corecpr-sum-typescrosscross-compiler-alienlessdata-kind-syntaxdecision-procedureencodingghc-7.2ghc-7.4ghc-7.6ghc-7.8ghc-axiomsghc-constraint-solverghc-deferghc-lwc2ghc-new-coghc-new-flavorghc-parmake-gsocghc-spjimp-param-classknown-key-serializationlate-dmdlate-lam-liftlocal-gcmonad-compnew-demand-to-mergenewcgno-pred-tyoverlapping-tyfamsprofilingreal-src-loc-spansdocsilent-sc-argssimdsrclocsupercompilertc-arrowstc-untouchablesth-newth-new-7.6ticky-for-all-letstype-holes-branchtype-natstype-nats-simpleunboxed-tuple-argumentsunboxed-tuple-arguments2wip/Cabal-1.20wip/T4404wip/T5084wip/T7704wip/T8545-ghc-7.8wip/T8592wip/T8776wip/T8995-level-generalisationwip/cbv-conv-thunkwip/common-contextwip/cpr-vs-jpwip/exprAritywip/nested-cprwip/pattern-synonymswip/recurs-compatwip/simdwip/th-new by benl@…>
mkDFunUnfolding wants the type of the dfun to be a PredTy
6:29 AM Changeset in ghc [e7f49f77]at-defaultsatomicsbetter-ho-cardinalitycardinalitycoerciblecoloured-corecpr-sum-typescrosscross-compiler-alienlessdata-kind-syntaxdecision-procedureencodingghc-7.2ghc-7.4ghc-7.6ghc-7.8ghc-axiomsghc-constraint-solverghc-deferghc-lwc2ghc-new-coghc-new-flavorghc-parmake-gsocghc-spjimp-param-classknown-key-serializationlate-dmdlate-lam-liftlocal-gcmonad-compnew-demand-to-mergenewcgno-pred-tyoverlapping-tyfamsprofilingreal-src-loc-spansdocsilent-sc-argssimdsrclocsupercompilertc-arrowstc-untouchablesth-newth-new-7.6ticky-for-all-letstype-holes-branchtype-natstype-nats-simpleunboxed-tuple-argumentsunboxed-tuple-arguments2wip/Cabal-1.20wip/T4404wip/T5084wip/T7704wip/T8545-ghc-7.8wip/T8592wip/T8776wip/T8995-level-generalisationwip/cbv-conv-thunkwip/common-contextwip/cpr-vs-jpwip/exprAritywip/nested-cprwip/pattern-synonymswip/recurs-compatwip/simdwip/th-new by benl@…>
Comments and formatting only
1:43 AM Ticket #4308 (LLVM compiles Updates.cmm badly) created by dterei
Simon M. reported that compiled rts/Updates.cmm on x86-64 with the LLVM …

Sep 13, 2010:

11:06 PM Ticket #4307 (Default to all cores for executables compiled with -threaded) created by tim.v2.0
The Haskell wiki shows that you need to both set a compilation flag and a …
5:08 PM Ticket #4302 (Impossible when deriving empty data declaration) closed by simonpj
fixed: Excellent point. This is really the same bug as #4220, but needs a more …
1:50 PM Ticket #4304 (Remove the `-fwarn-lazy-unlifted-bindings` flag) closed by simonmar
wontfix: we're leaving it as a warning.

Sep 12, 2010:

8:38 PM Ticket #4298 ([TYPO] Text.PrettyPrint.HughesPJ) closed by igloo
fixed: Fixed, thanks!
8:31 PM Ticket #4306 (UNPACK can lead to unnecessary copying and wasted stack space) created by Olathe
You can write a pattern-matched function to take only certain components …
11:57 AM Ticket #4305 (Add showCommandForUser to process:System.Process) created by igloo
There are many programs (e.g. ghc and Cabal) which run other programs, and …
10:45 AM Changeset in process [ff697bb]encodingghc-7.2ghc-7.4ghc-7.6ghc-7.8 by Ian Lynagh <igloo@…>
Whitespace only

Sep 11, 2010:

7:56 PM Ticket #4304 (Remove the `-fwarn-lazy-unlifted-bindings` flag) created by igloo
Remove the -fwarn-lazy-unlifted-bindings flag; typecheck/TcBinds.lhs
6:38 PM Ticket #4303 (Segfault in RTS (apparently only MacOS) FFI related?) created by patperry
The RTS crashes in the middle of a long-running computation involving …
1:48 AM Ticket #4302 (Impossible when deriving empty data declaration) created by mitar
When trying to load following code into GHCi I get an error: […] Code …

Sep 10, 2010:

11:50 PM Ticket #2790 (Use -fregs-graph by default) closed by igloo
fixed: -fregs-graph is now enabled for -O2.
6:34 PM Ticket #4301 (Optimisations give bad core for foldl' (flip seq) ()) created by daniel.is.fischer
I'm not sure whether it's one freak case or a symptom of a problem that …
8:23 AM Ticket #4293 (Utility function for quasi-quoters: reading files) closed by simonpj
fixed

Sep 9, 2010:

5:54 PM Debugging/CompiledCode edited by gwright
(diff)
4:25 PM Ticket #4249 (Remove module from context completion) closed by igloo
fixed: Applied, thanks!
3:42 PM Commentary/Compiler/Packages edited by simonmar
(diff)
1:54 PM Ticket #4300 (:show packages does not list all loaded packages) created by claus
GHCi's :show packages seems to have bit-rotted, no longer listing all …
12:54 PM Changeset in unix [c1950fa]encodingghc-7.2ghc-7.4ghc-7.6ghc-7.8 by Ross Paterson <ross@…>
avoid Foreign.unsafePerformIO
11:26 AM Ticket #4284 (Adding parentheses introduces type error) closed by simonpj
fixed: Good point, thank you. Works in the new typechecker, which is about to …
10:59 AM Ticket #4299 (a less forceful INLINE pragma) created by simonmar
The INLINE pragmas currently does two things: 1. it saves an …
8:04 AM Changeset in ghc [4758bb5]at-defaultsatomicsbetter-ho-cardinalitycardinalitycoerciblecoloured-corecpr-sum-typescrosscross-compiler-alienlessdata-kind-syntaxdecision-procedureencodingghc-7.2ghc-7.4ghc-7.6ghc-7.8ghc-axiomsghc-constraint-solverghc-deferghc-lwc2ghc-new-coghc-new-flavorghc-parmake-gsocghc-spjimp-param-classknown-key-serializationlate-dmdlate-lam-liftlocal-gcmonad-compnew-demand-to-mergenewcgno-pred-tyoverlapping-tyfamsprofilingreal-src-loc-spansdocsilent-sc-argssimdsrclocsupercompilertc-arrowstc-untouchablesth-newth-new-7.6ticky-for-all-letstype-holes-branchtype-natstype-nats-simpleunboxed-tuple-argumentsunboxed-tuple-arguments2wip/Cabal-1.20wip/T4404wip/T5084wip/T7704wip/T8545-ghc-7.8wip/T8592wip/T8776wip/T8995-level-generalisationwip/cbv-conv-thunkwip/common-contextwip/cpr-vs-jpwip/exprAritywip/nested-cprwip/pattern-synonymswip/recurs-compatwip/simdwip/th-new by benl@…>
Comments and formatting to type environment vectoriser
6:22 AM BugSweep edited by dterei
remove fixed tickets (diff)
6:20 AM BugSweep edited by dterei
Remove fixed tickets (diff)
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