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[GHC] #8688: internal error: stg_ap_p_ret
by GHC 17 Nov '14

17 Nov '14

#8688: internal error: stg_ap_p_ret ------------------------------------+------------------------------------- Reporter: massysett | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.6.3 Keywords: | Operating System: Unknown/Multiple Architecture: Unknown/Multiple | Type of failure: None/Unknown Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | ------------------------------------+------------------------------------- When in GHCi I get: <interactive>: internal error: stg_ap_p_ret (GHC version 7.6.3 for x86_64_unknown_linux) Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug There is probably something wrong with the FFI binding I am testing; under other circumstances I get a segfault. But since I was asked to report this, here I am. Let me know if I can provide anything else. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8688> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #2526: Warn about missing signatures only for exported functions
by GHC 17 Nov '14

17 Nov '14

#2526: Warn about missing signatures only for exported functions -------------------------------------+------------------------------------- Reporter: | Owner: gridaphobe fergushenderson | Status: new Type: feature | Milestone: 7.10.1 request | Version: 6.8.3 Priority: lowest | Keywords: newcomer Component: Compiler | Architecture: Unknown/Multiple Resolution: | Difficulty: Unknown Operating System: | Blocked By: Unknown/Multiple | Related Tickets: Type of failure: | None/Unknown | Test Case: | Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- Changes (by gridaphobe): * owner: => gridaphobe -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/2526#comment:16> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #8716: improve AMP join warning
by GHC 17 Nov '14

17 Nov '14

#8716: improve AMP join warning ------------------------------------+------------------------------------- Reporter: aavogt | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.7 Keywords: | Operating System: Unknown/Multiple Architecture: Unknown/Multiple | Type of failure: None/Unknown Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | ------------------------------------+------------------------------------- Any module that defines a top-level join gets this error: {{{ Local definition of ‛join’ clashes with a future Prelude name - this will become an error in GHC 7.10, under the Applicative-Monad Proposal. }}} This file triggers the warning, but it will keep on working when Prelude exports join: {{{ module M1 (M.join) where join x = x }}} This file will break when Prelude exports join, but there is no warning currently given. {{{ module M2 where import M1 (join) f x = join }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8716> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #4900: DEPENDS pragma
by GHC 17 Nov '14

17 Nov '14

#4900: DEPENDS pragma -------------------------------------+------------------------------------- Reporter: cdsmith | Owner: Type: feature | Status: new request | Milestone: 7.10.1 Priority: normal | Version: Component: Compiler | Keywords: Resolution: | Architecture: Unknown/Multiple Operating System: | Difficulty: Unknown Unknown/Multiple | Blocked By: Type of failure: | Related Tickets: None/Unknown | Test Case: TH_Depends | Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- Comment (by refold): Docstring for `addDependentFile` should say that it looks at file content, not timestamp (unlike `ghc --make`). I just wasted some time wondering why `touch some/dependent/file && ghc --make` doesn't cause recompilation. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4900#comment:70> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #8730: Invalid Unicode Codepoints in Char
by GHC 17 Nov '14

17 Nov '14

#8730: Invalid Unicode Codepoints in Char ------------------------------------+------------------------------------- Reporter: mdmenzel | Owner: Type: bug | Status: new Priority: low | Milestone: Component: Compiler | Version: 7.6.3 Keywords: unicode | Operating System: Unknown/Multiple Architecture: Unknown/Multiple | Type of failure: None/Unknown Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | ------------------------------------+------------------------------------- The surrogate range in Unicode is supposed to (as of Unicode 2.0, 1996) be a range of invalid code points yet, Data.Char allows the use of values in this range (in fact, it even gives them their own GeneralCategory). -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8730> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #8756: Test case concurrent/should_run/T5611 fails on Mac
by GHC 17 Nov '14

17 Nov '14

#8756: Test case concurrent/should_run/T5611 fails on Mac ------------------------------------+------------------------------------- Reporter: goldfire | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.6.3 Keywords: | Operating System: Unknown/Multiple Architecture: Unknown/Multiple | Type of failure: None/Unknown Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | ------------------------------------+------------------------------------- On a fresh check out, test case concurrent/should_run/T5611 fails: {{{ Actual stderr output differs from expected: --- ./T5611.stderr 2014-02-06 22:27:48.000000000 -0500 +++ ./T5611.run.stderr 2014-02-08 22:00:06.000000000 -0500 @@ -1 +0,0 @@ -T5611: user error (Exception delivered successfully) Actual stdout output differs from expected: --- ./T5611.stdout 2014-02-06 22:27:48.000000000 -0500 +++ ./T5611.run.stdout 2014-02-08 22:00:06.000000000 -0500 @@ -1,2 +1,3 @@ child: Sleeping +child: Done waiting parent: Done throwing exception *** unexpected failure for T5611(normal) }}} I'm on Mac OS 10.8.5 with Xcode 4.6.1 (4H512). -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8756> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #9796: Implement amap/coerce rule for `Array`
by GHC 16 Nov '14

16 Nov '14

#9796: Implement amap/coerce rule for `Array` -------------------------------------+------------------------------------- Reporter: dfeuer | Owner: dfeuer Type: task | Status: new Priority: normal | Milestone: 7.10.1 Component: Core Libraries | Version: 7.9 Keywords: | Operating System: Architecture: Unknown/Multiple | Unknown/Multiple Difficulty: Easy (less than 1 | Type of failure: Runtime hour) | performance bug Blocked By: | Test Case: Related Tickets: | Blocking: | Differential Revisions: -------------------------------------+------------------------------------- We have `map/coerce`; there's no reason not to have `amap/coerce` as well. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9796> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #8798: Missing symbols with -fprof-auto-calls
by GHC 16 Nov '14

16 Nov '14

#8798: Missing symbols with -fprof-auto-calls ------------------------------------+------------------------------------- Reporter: edsko | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.6.3 Keywords: | Operating System: Unknown/Multiple Architecture: Unknown/Multiple | Type of failure: None/Unknown Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | ------------------------------------+------------------------------------- To reproduce: in an empty environment (no packages installed), run {{{ cabal install --only-dependencies --enable-library-profiling --ghc-option =-fprof-auto-calls }}} for the attached test case. This will seem to work okay (no errors), but if you then do {{{ cabal configure --enable-executable-profiling --enable-library-profiling --ghc-option=-fprof-auto-calls }}} then {{{ cabal build }}} will fail with {{{ Building autocallsbug-0.1.0.0... Preprocessing executable 'autocallsbug' for autocallsbug-0.1.0.0... [1 of 1] Compiling Main ( Main.hs, dist/build/autocallsbug /autocallsbug-tmp/Main.p_o ) Linking dist/build/autocallsbug/autocallsbug ... Undefined symbols for architecture x86_64: "_attoparseczm0zi11zi1zi0_DataziAttoparsecziInternalziTypes_manyzimanyzuv_Cb_cc", referenced from: _sR1Q_info in libHSxml-conduit-1.1.0.9_p.a(Parse.p_o) _sR5p_info in libHSxml-conduit-1.1.0.9_p.a(Parse.p_o) ld: symbol(s) not found for architecture x86_64 collect2: ld returned 1 exit status }}} (Haven't yet confirmed with 7.8RC1 because that failed to build on my system; reported separately.) -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8798> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #9302: relocation R_X86_64_PC32 against undefined symbol (from Data.Array.Parallel) while building GHC
by GHC 16 Nov '14

16 Nov '14

#9302: relocation R_X86_64_PC32 against undefined symbol (from Data.Array.Parallel) while building GHC ----------------------------------+---------------------------------------- Reporter: ulysses4ever | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Build System | Version: 7.8.2 Keywords: | Operating System: Unknown/Multiple Architecture: x86_64 (amd64) | Type of failure: Building GHC failed Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | ----------------------------------+---------------------------------------- I followed “First steps” section in [https://ghc.haskell.org/trac/ghc/wiki/Newcomers Newcomers guide] to build GHC from sources (got via git-clone) on Ubuntu 14.04 (amd64). During the last step (make) it comes to the error: {{{ /usr/bin/ld: libraries/dph/dph-lifted-copy/dist- install/build/Data/Array/Parallel/Prelude/Bool.dyn_o: relocation R_X86_64_PC32 against undefined symbol `dphzmliftedzmcopyzm0zi8zi0zi1_DataziArrayziParallelziPreludeziBool_andPzuv_closure' can not be used when making a shared object; recompile with -fPIC /usr/bin/ld: final link failed: Bad value collect2: error: ld returned 1 exit status }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9302> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #9800: Panic when building HEAD with BuildFlavour=quickest: "Can't use Integer in integer-*"
by GHC 16 Nov '14

16 Nov '14

#9800: Panic when building HEAD with BuildFlavour=quickest: "Can't use Integer in integer-*" -------------------------------------+------------------------------------- Reporter: thomie | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.8.3 Keywords: | Operating System: Architecture: Unknown/Multiple | Unknown/Multiple Difficulty: Unknown | Type of failure: Building Blocked By: | GHC failed Related Tickets: | Test Case: | Blocking: | Differential Revisions: -------------------------------------+------------------------------------- {{{ $ uname -op x86_64 GNU/Linux $ ghc --version The Glorious Glasgow Haskell Compilation System, version 7.8.3 $ git log --oneline | head -1 fa75309 Update .mailmap $ make ===--- building phase 0 make -r --no-print-directory -f ghc.mk phase=0 phase_0_builds make[1]: Nothing to be done for `phase_0_builds'. ===--- building phase 1 make -r --no-print-directory -f ghc.mk phase=1 phase_1_builds make[1]: Nothing to be done for `phase_1_builds'. ===--- building final phase make -r --no-print-directory -f ghc.mk phase=final all "inplace/bin/ghc-stage1" -hisuf hi -osuf o -hcsuf hc -static -H64m -O0 -fasm -this-package-key integ_2MbWUstH60IEgCAexOk3v3 -hide-all-packages -i -ilibraries/integer-gmp2/src/ -ilibraries/integer-gmp2/dist- install/build -ilibraries/integer-gmp2/dist-install/build/autogen -Ilibraries/integer-gmp2/dist-install/build -Ilibraries/integer-gmp2/dist- install/build/autogen -Ilibraries/integer-gmp2/include -optP-include -optPlibraries/integer-gmp2/dist-install/build/autogen/cabal_macros.h -package-key ghcpr_BE58KUgBe9ELCsPXiJ1Q2r -this-package-key integer-gmp -Wall -XHaskell2010 -O0 -fasm -no-user-package-db -rtsopts -odir libraries/integer-gmp2/dist-install/build -hidir libraries/integer-gmp2 /dist-install/build -stubdir libraries/integer-gmp2/dist-install/build -dynamic-too -c libraries/integer-gmp2/src//GHC/Integer/Type.hs -o libraries/integer-gmp2/dist-install/build/GHC/Integer/Type.o -dyno libraries/integer-gmp2/dist-install/build/GHC/Integer/Type.dyn_o ghc-stage1: panic! (the 'impossible' happened) (GHC version 7.9.20141114 for x86_64-unknown-linux): Can't use Integer in integer-* Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug make[1]: *** [libraries/integer-gmp2/dist- install/build/GHC/Integer/Type.o] Error 1 make: *** [all] Error 2 }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9800> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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