August 2015 - ghc-tickets

[GHC] #10792: Bounded Enums [minBound..maxBound] produces runtime error
by GHC 31 Aug '15

31 Aug '15

#10792: Bounded Enums [minBound..maxBound] produces runtime error -------------------------------------+------------------------------------- Reporter: | Owner: ekmett AlexanderThiemann | Type: bug | Status: new Priority: normal | Milestone: Component: Core | Version: 7.10.2 Libraries | Keywords: | Operating System: Linux Architecture: | Type of failure: Runtime crash Unknown/Multiple | Test Case: | Blocked By: Blocking: | Related Tickets: Differential Revisions: | -------------------------------------+------------------------------------- Consider this code: {{{#!hs data MultiHeader = MultiHeaderCacheControl | MultiHeaderConnection | MultiHeaderContentEncoding -- ... deriving (Show, Eq, Enum, Bounded, Generic) instance Hashable MultiHeader multiHeaderCI :: MultiHeader -> CI.CI BS.ByteString multiHeaderCI mh = case mh of MultiHeaderCacheControl -> "Cache-Control" MultiHeaderConnection -> "Connection" MultiHeaderContentEncoding -> "Content-Encoding" -- ... multiHeaderMap :: HM.HashMap (CI.CI BS.ByteString) MultiHeader multiHeaderMap = HM.fromList $ flip map [minBound..maxBound] $ \mh -> (multiHeaderCI mh, mh) }}} (derived from https://github.com/agrafix/Spock/blob/9c19c0159d99783aabf896d2742e231a5e85e… ) When the multiHeaderMap accessed, a runtime error on GHC7.10.2 running on *some* [0] [1] Linux architectures is thrown. It does not occur on Mac or the travis build infrastructure [2]. {{{ uncaught exception: ErrorCall (toEnum{MultiHeader}: tag (-12565) is outside of enumeration's range (0,12)) }}} I've marked the bug with 'core libraries', but I am not certain that that's the origin of it. [0]: https://github.com/agrafix/Spock/issues/44 (Hydra / NixOS?) [1]: We've also seen it happen when used in docker with ubuntu:14.04 base image [2]: https://travis-ci.org/agrafix/Spock/builds/76877783 -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10792> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #7259: Eta expansion of products in System FC
by GHC 31 Aug '15

31 Aug '15

#7259: Eta expansion of products in System FC -------------------------------------+------------------------------------- Reporter: simonpj | Owner: simonpj Type: bug | Status: new Priority: normal | Milestone: 7.12.1 Component: Compiler | Version: 7.6.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Revisions: -------------------------------------+------------------------------------- Comment (by goldfire): Josef and I chatted about this ticket at HIW today. Now that `Any` is moved out of the way, it seems quite possible to revisit this. Shouldn't be too hard. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7259#comment:13> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #4012: Compilation results are not deterministic
by GHC 31 Aug '15

31 Aug '15

#4012: Compilation results are not deterministic -------------------------------------+------------------------------------- Reporter: kili | Owner: niteria Type: bug | Status: patch Priority: high | Milestone: 7.12.1 Component: Compiler | Version: 6.12.2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: Other | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Revisions: Phab:D910, | Phab:D1073, Phab:D1133, Phab:D1192 -------------------------------------+------------------------------------- Changes (by niteria): * differential: Phab:D910, Phab:D1073, Phab:D1133 => Phab:D910, Phab:D1073, Phab:D1133, Phab:D1192 -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4012#comment:115> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #7259: Eta expansion of products in System FC
by GHC 31 Aug '15

31 Aug '15

#7259: Eta expansion of products in System FC -------------------------------------+------------------------------------- Reporter: simonpj | Owner: simonpj Type: bug | Status: new Priority: normal | Milestone: 7.12.1 Component: Compiler | Version: 7.6.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Revisions: -------------------------------------+------------------------------------- Changes (by josef): * cc: josef.svenningsson@… (added) -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7259#comment:12> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #1409: Allow recursively dependent modules transparently (without .hs-boot or anything)
by GHC 31 Aug '15

31 Aug '15

#1409: Allow recursively dependent modules transparently (without .hs-boot or anything) -------------------------------------+------------------------------------- Reporter: Isaac Dupree | Owner: Type: feature request | Status: new Priority: normal | Milestone: ⊥ Component: Compiler | Version: 6.10.2 Resolution: | Keywords: backpack Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: #9256 | Differential Revisions: -------------------------------------+------------------------------------- Changes (by ekmett): * cc: ekmett (added) -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/1409#comment:68> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #4012: Compilation results are not deterministic
by GHC 30 Aug '15

30 Aug '15

#4012: Compilation results are not deterministic -------------------------------------+------------------------------------- Reporter: kili | Owner: niteria Type: bug | Status: patch Priority: high | Milestone: 7.12.1 Component: Compiler | Version: 6.12.2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: Other | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Revisions: Phab:D910, | Phab:D1073, Phab:D1133 -------------------------------------+------------------------------------- Changes (by simonmar): * differential: Phab:D910, Phab:D1073 => Phab:D910, Phab:D1073, Phab:D1133 -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4012#comment:114> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #4012: Compilation results are not deterministic
by GHC 30 Aug '15

30 Aug '15

#4012: Compilation results are not deterministic -------------------------------------+------------------------------------- Reporter: kili | Owner: niteria Type: bug | Status: patch Priority: high | Milestone: 7.12.1 Component: Compiler | Version: 6.12.2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: Other | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Revisions: Phab:D910, | Phab:D1073 -------------------------------------+------------------------------------- Changes (by thoughtpolice): * differential: Phab:D1073 => Phab:D910, Phab:D1073 -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4012#comment:113> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #10813: No symlinks after install.
by GHC 30 Aug '15

30 Aug '15

#10813: No symlinks after install. -------------------------------------+------------------------------------- Reporter: NormH | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: ghc-pkg | Version: 7.10.2 Keywords: | Operating System: MacOS X Architecture: x86_64 | Type of failure: Installing GHC (amd64) | failed Test Case: | Blocked By: Blocking: | Related Tickets: Differential Revisions: | -------------------------------------+------------------------------------- After having run the installer represented by file: Haskell Platform 7.10.2-a 64bit-signed.pkg (which I found here: https://www.haskell.org/platform) ("openssl md5 Has*" yields 436e5370acfefbfe4cf7e3bc0a2fc56b) The Installer says "The installation was successful". I am looking at the page: file:///Library/Haskell/doc/start.html That page says: Executables are symlinked in /usr/bin and should be available in any shell. I can find no new symlinks there. Perhaps I am merely don't know what to look for. The documentation does not tell me what to expect that I can see. The shell command "ls -ltr /usr/bin" shows nothing newer than July; this is late August. Command "ls /usr/bin/gh* /usr/bin/has*" yields only "hash". "ls /Library/Frameworks/GHC.framework" and "/Library/Haskell" are populated. I am running OS X 10.11 (beta). -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10813> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #4505: Segmentation fault on long input (list of pairs)
by GHC 29 Aug '15

29 Aug '15

#4505: Segmentation fault on long input (list of pairs) -------------------------------------+------------------------------------- Reporter: cathper | Owner: bgamari Type: bug | Status: new Priority: high | Milestone: 7.12.1 Component: Compiler | Version: 7.0.1 Resolution: | Keywords: | Segmentation fault, segfault, long | input Operating System: Linux | Architecture: x86_64 | (amd64) Type of failure: Runtime crash | Test Case: Blocked By: 4258 | Blocking: Related Tickets: | Differential Revisions: Phab:D1180 -------------------------------------+------------------------------------- Comment (by bgamari): Re-added the compile-time check but it would be nice to resolve the underlying RTS issue. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4505#comment:39> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #10661: Regression: hp2ps reports `integer unexpected` on new style package keys
by GHC 29 Aug '15

29 Aug '15

#10661: Regression: hp2ps reports `integer unexpected` on new style package keys -------------------------------------+------------------------------------- Reporter: thomie | Owner: Type: bug | Status: new Priority: high | Milestone: 7.12.1 Component: Profiling | Version: 7.11 Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: None/Unknown Unknown/Multiple | Test Case: | Blocked By: concurrent/prog002/concprog002 | Blocking: | Related Tickets: Differential Revisions: | -------------------------------------+------------------------------------- hp2ps reports `integer unexpected` when run on a profile file created with HEAD. The profile file contains entries such as the following: {{{ $ grep System.Random Test.hp 9Kgekc9yEaLHLNUuw6paWL:System.Random.StdGen 24 9Kgekc9yEaLHLNUuw6paWL:System.Random.StdGen 24 9Kgekc9yEaLHLNUuw6paWL:System.Random.StdGen 24 9Kgekc9yEaLHLNUuw6paWL:System.Random.StdGen 24 }}} To reproduce, first install random (there might be a simpler way, but this one is required to run `make TEST=concprog002 WAY=threaded2_hT`, which is failing at the moment): {{{ $ cabal install random==1.1 --with-ghc=ghc-7.11.20150711 -v0 }}} Note the package key for random starts with a number: {{{ $ ghc-pkg --package-db=.ghc/x86_64-linux-7.11.20150711/package.conf.d/ describe random | grep key key: 9Kgekc9yEaLHLNUuw6paWL }}} Then create a heap profile for the following program with `-hT`, and try to run `hp2ps` on it: {{{ $ cat Test.hs import System.Random main = sequence $ replicate 1000 (randomIO :: IO Int) $ ghc-7.11.20150711 Test.hs -rtsopts -fforce-recomp -v0 $ ./Test +RTS -hT -i0.001 $ hp2ps Test.hp hp2ps: Test.hp, line 12: integer unexpected }}} Note that in the profile file the entries for libraries like `base`, `ghc- prim` and `integer-gmp` don't contain package keys (maybe the entries for random shouldn't either?): {{{ base:Data.Dynamic.Dynamic 24 integer-gmp:GHC.Integer.Type.Jp# 16 ghc-prim:GHC.Types.: 24 }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10661> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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