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[GHC] #11529: Show instance of Char should print literals for non-ascii printable charcters
by GHC 08 Apr '16

08 Apr '16

#11529: Show instance of Char should print literals for non-ascii printable charcters -------------------------------------+------------------------------------- Reporter: nushio | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.10.3 Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: None/Unknown Unknown/Multiple | Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: -------------------------------------+------------------------------------- Show instance for non-ascii characters prints their character codes. This is sad for Haskell users that speaks language other than English. {{{#!hs > 'A' 'A' > 'Ä' '\196' > '漢' '\28450' > print $ [(++"'s dad"), (++"'s mom")] <*> ["Simon", "John"] ["Simon's dad","John's dad","Simon's mom","John's mom"] > print $ [(++"の父"), (++"の母")] <*> ["田中", "山田"] ["\30000\20013\12398\29238","\23665\30000\12398\29238","\30000\20013\12398\27597","\23665\30000\12398\27597"] }}} The function that needs improvement is showLitChar in GHC.Show, which currently prints any character larger than ASCII code 127 by its character code: http://haddock.stackage.org/lts-5.1/base-4.8.2.0/src/GHC-Show.html {{{#!hs showLitChar :: Char -> ShowS showLitChar c s | c > '\DEL' = showChar '\\' (protectEsc isDec (shows (ord c)) s) }}} On the other hand, there is GHC.Unicode.isPrint, the predicate for printable Unicode characters, that is calling on a foreign function u_iswprint for the knowledge. https://hackage.haskell.org/package/base-4.8.2.0/docs/src/GHC.Unicode.html#… I think one of the solution is to import and call u_iswprint from GHC.Show, too, but I don't know it's against any design choices. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11529> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #11810: Filtering of cost-center profiler output no longer works
by GHC 08 Apr '16

08 Apr '16

#11810: Filtering of cost-center profiler output no longer works -------------------------------------+------------------------------------- Reporter: bgamari | Owner: Type: bug | Status: new Priority: highest | Milestone: 8.0.1 Component: Profiling | Version: 8.0.1-rc3 Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: Incorrect result Unknown/Multiple | at runtime Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: -------------------------------------+------------------------------------- With the following testcase, {{{#!hs import Control.Monad (replicateM) main :: IO () main = do let xs = replicate 10000000 $ 42 print $ length xs print $ sum xs }}} Running like this, {{{ ghc -prof -auto-all Hi.hs && ./Hi +RTS -hy[] -hc }}} with 7.10.3 produces a useful profile with the output one would expect. 8.0.1-rc2, on the other hand produces empty samples. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11810> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #5080: Recompilation bug: recomp008 failed
by GHC 08 Apr '16

08 Apr '16

#5080: Recompilation bug: recomp008 failed --------------------------------------+------------------------------ Reporter: daniel.is.fischer | Owner: igloo Type: bug | Status: closed Priority: normal | Milestone: 7.2.1 Component: Compiler | Version: 7.0.3 Resolution: fixed | Keywords: Operating System: Linux | Architecture: x86 Type of failure: Other | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | --------------------------------------+------------------------------ Comment (by ezyang): Note: the first commit fix was actually 63c13a7bcbf96f43dfd2bbe9f33b0b4705044567 and involved adding a sleep. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5080#comment:6> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #5220: GHC internal error when missing -XFlexibleContexts with generics
by GHC 07 Apr '16

07 Apr '16

#5220: GHC internal error when missing -XFlexibleContexts with generics -------------------------------------+------------------------------------- Reporter: dreixel | Owner: Type: bug | Status: closed Priority: normal | Milestone: Component: Compiler | Version: 7.1 Resolution: fixed | Keywords: Generics Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: GEq2 Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * keywords: => Generics -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5220#comment:2> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #5227: Large space usage when deriving Generic
by GHC 07 Apr '16

07 Apr '16

#5227: Large space usage when deriving Generic -------------------------------------+------------------------------------- Reporter: igloo | Owner: dreixel Type: bug | Status: closed Priority: high | Milestone: 7.2.1 Component: Compiler | Version: 7.1 Resolution: fixed | Keywords: Generics Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * keywords: => Generics -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5227#comment:6> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #5464: Change the way the extra bindings for the generic representation are generated
by GHC 07 Apr '16

07 Apr '16

#5464: Change the way the extra bindings for the generic representation are generated -------------------------------------+------------------------------------- Reporter: dreixel | Owner: dreixel Type: task | Status: closed Priority: normal | Milestone: Component: Compiler | Version: 7.3 Resolution: fixed | Keywords: Generics Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * keywords: => Generics -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5464#comment:7> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #5884: GHC panics while trying to derive a Generic instance for Complex a
by GHC 07 Apr '16

07 Apr '16

#5884: GHC panics while trying to derive a Generic instance for Complex a -------------------------------------+------------------------------------- Reporter: mux | Owner: dreixel Type: bug | Status: closed Priority: normal | Milestone: Component: Compiler | Version: 7.4.1 Resolution: fixed | Keywords: Generics Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: Compile-time | Test Case: crash | generics/T5884 Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * keywords: => Generics -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5884#comment:10> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #5936: Support for data families in generics
by GHC 07 Apr '16

07 Apr '16

#5936: Support for data families in generics -------------------------------------+------------------------------------- Reporter: reinerp | Owner: dreixel Type: feature request | Status: closed Priority: normal | Milestone: 7.6.1 Component: Compiler | Version: 7.4.1 Resolution: fixed | Keywords: Generics Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: | generics/GEq1, | generics/GenCanDoRep0 Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * keywords: => Generics -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5936#comment:14> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #7035: `deriving instance Generic (HsExpr Id)` raises panic
by GHC 07 Apr '16

07 Apr '16

#7035: `deriving instance Generic (HsExpr Id)` raises panic -------------------------------------+------------------------------------- Reporter: Daniel | Owner: dreixel Schuessler | Type: bug | Status: closed Priority: normal | Milestone: 7.8.1 Component: Compiler | Version: 7.4.2 Resolution: duplicate | Keywords: Generics Operating System: Linux | Architecture: Type of failure: Compile-time | Unknown/Multiple crash | Test Case: Blocked By: | Blocking: Related Tickets: 7255 | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * keywords: => Generics -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7035#comment:5> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #7346: Allow the use of `deriving` for GHC generics
by GHC 07 Apr '16

07 Apr '16

#7346: Allow the use of `deriving` for GHC generics -------------------------------------+------------------------------------- Reporter: kosmikus | Owner: dreixel Type: feature request | Status: closed Priority: normal | Milestone: 7.8.1 Component: Compiler | Version: 7.7 Resolution: duplicate | Keywords: Generics Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: #5462 | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * keywords: => Generics -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7346#comment:12> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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