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[GHC] #8877: "if this code is reached, the program will abort" in sparc
by GHC 25 Mar '15

25 Mar '15

#8877: "if this code is reached, the program will abort" in sparc ----------------------------+------------------------------------- Reporter: nomeata | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.6.3 Keywords: | Operating System: Unknown/Multiple Architecture: sparc | Type of failure: Runtime crash Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: #8857 | ----------------------------+------------------------------------- Hi, sparc, when built with dynamic libraries, fails with a segmentation fault: https://buildd.debian.org/status/fetch.php?pkg=ghc&arch=sparc&ver=7.8.20140… Possible cause indicated by {{{ "inplace/bin/ghc-stage1" -static -H32m -O -lffi -optl-pthread -Iincludes -Iincludes/dist -Iincludes/dist-derivedconstants/header -Iincludes/dist- ghcconstants/header -Irts -Irts/dist/build -DCOMPILING_RTS -package-name rts -optc-DNOSMP -dcmm-lint -i -irts -irts/dist/build -irts/dist/build/autogen -Irts/dist/build -Irts/dist/build/autogen -O2 -c rts/Apply.cmm -o rts/dist/build/Apply.o /tmp/ghc14927_0/ghc14927_2.hc: In function 'stg_PAP_entry': /tmp/ghc14927_0/ghc14927_2.hc:101:30: warning: function called through a non-compatible type [enabled by default] /tmp/ghc14927_0/ghc14927_2.hc:101:30: note: if this code is reached, the program will abort }}} It works without shared libraries (see #8857) -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8877> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #8872: hsc cast size warnings on 32-bit Linux
by GHC 25 Mar '15

25 Mar '15

#8872: hsc cast size warnings on 32-bit Linux ------------------------------------+------------------------------------- Reporter: Fuuzetsu | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: hsc2hs | Version: 7.9 Keywords: | Operating System: Unknown/Multiple Architecture: Unknown/Multiple | Type of failure: None/Unknown Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | ------------------------------------+------------------------------------- When compiling the gtk package with GHC 7.9.20140308 I get a bunch of warnings as outlined below. I'm on 32-bit system. Apparently this is something that should be reported. {{{ In file included from dist/dist-sandbox- c4fc5f8b/build/Graphics/UI/Gtk/General/Structs_hsc_make.c:1:0: Structs.hsc: In function ‘main’: /home/shana/ghc-20140308/lib/ghc-7.9.20140308/template-hsc.h:36:29: warning: cast from pointer to integer of different size [-Wpointer-to-int- cast] hsc_printf ("%lld", (long long)(x)); \ ^ Structs.hsc:1020:5: note: in expansion of macro ‘hsc_const’ /home/shana/ghc-20140308/lib/ghc-7.9.20140308/template-hsc.h:38:29: warning: cast from pointer to integer of different size [-Wpointer-to-int- cast] hsc_printf ("%llu", (unsigned long long)(x)); ^ Structs.hsc:1020:5: note: in expansion of macro ‘hsc_const’ /home/shana/ghc-20140308/lib/ghc-7.9.20140308/template-hsc.h:36:29: warning: cast from pointer to integer of different size [-Wpointer-to-int- cast] hsc_printf ("%lld", (long long)(x)); \ ^ Structs.hsc:1025:5: note: in expansion of macro ‘hsc_const’ /home/shana/ghc-20140308/lib/ghc-7.9.20140308/template-hsc.h:38:29: warning: cast from pointer to integer of different size [-Wpointer-to-int- cast] hsc_printf ("%llu", (unsigned long long)(x)); ^ Structs.hsc:1025:5: note: in expansion of macro ‘hsc_const’ /home/shana/ghc-20140308/lib/ghc-7.9.20140308/template-hsc.h:36:29: warning: cast from pointer to integer of different size [-Wpointer-to-int- cast] hsc_printf ("%lld", (long long)(x)); \ ^ Structs.hsc:1029:5: note: in expansion of macro ‘hsc_const’ /home/shana/ghc-20140308/lib/ghc-7.9.20140308/template-hsc.h:38:29: warning: cast from pointer to integer of different size [-Wpointer-to-int- cast] hsc_printf ("%llu", (unsigned long long)(x)); ^ Structs.hsc:1029:5: note: in expansion of macro ‘hsc_const’ /home/shana/ghc-20140308/lib/ghc-7.9.20140308/template-hsc.h:36:29: warning: cast from pointer to integer of different size [-Wpointer-to-int- cast] hsc_printf ("%lld", (long long)(x)); \ ^ Structs.hsc:1033:5: note: in expansion of macro ‘hsc_const’ /home/shana/ghc-20140308/lib/ghc-7.9.20140308/template-hsc.h:38:29: warning: cast from pointer to integer of different size [-Wpointer-to-int- cast] hsc_printf ("%llu", (unsigned long long)(x)); ^ Structs.hsc:1033:5: note: in expansion of macro ‘hsc_const’ /home/shana/ghc-20140308/lib/ghc-7.9.20140308/template-hsc.h:36:29: warning: cast from pointer to integer of different size [-Wpointer-to-int- cast] hsc_printf ("%lld", (long long)(x)); \ ^ Structs.hsc:1037:5: note: in expansion of macro ‘hsc_const’ /home/shana/ghc-20140308/lib/ghc-7.9.20140308/template-hsc.h:38:29: warning: cast from pointer to integer of different size [-Wpointer-to-int- cast] hsc_printf ("%llu", (unsigned long long)(x)); ^ Structs.hsc:1037:5: note: in expansion of macro ‘hsc_const’ /home/shana/ghc-20140308/lib/ghc-7.9.20140308/template-hsc.h:36:29: warning: cast from pointer to integer of different size [-Wpointer-to-int- cast] hsc_printf ("%lld", (long long)(x)); \ ^ Structs.hsc:1042:5: note: in expansion of macro ‘hsc_const’ /home/shana/ghc-20140308/lib/ghc-7.9.20140308/template-hsc.h:38:29: warning: cast from pointer to integer of different size [-Wpointer-to-int- cast] hsc_printf ("%llu", (unsigned long long)(x)); ^ Structs.hsc:1042:5: note: in expansion of macro ‘hsc_const’ /home/shana/ghc-20140308/lib/ghc-7.9.20140308/template-hsc.h:36:29: warning: cast from pointer to integer of different size [-Wpointer-to-int- cast] hsc_printf ("%lld", (long long)(x)); \ ^ Structs.hsc:1046:5: note: in expansion of macro ‘hsc_const’ /home/shana/ghc-20140308/lib/ghc-7.9.20140308/template-hsc.h:38:29: warning: cast from pointer to integer of different size [-Wpointer-to-int- cast] hsc_printf ("%llu", (unsigned long long)(x)); ^ Structs.hsc:1046:5: note: in expansion of macro ‘hsc_const’ /home/shana/ghc-20140308/lib/ghc-7.9.20140308/template-hsc.h:36:29: warning: cast from pointer to integer of different size [-Wpointer-to-int- cast] hsc_printf ("%lld", (long long)(x)); \ ^ Structs.hsc:1051:5: note: in expansion of macro ‘hsc_const’ /home/shana/ghc-20140308/lib/ghc-7.9.20140308/template-hsc.h:38:29: warning: cast from pointer to integer of different size [-Wpointer-to-int- cast] hsc_printf ("%llu", (unsigned long long)(x)); }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8872> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #8029: batch-mode recompilation checking sometimes fails
by GHC 25 Mar '15

25 Mar '15

#8029: batch-mode recompilation checking sometimes fails -------------------------------------+------------------------------------- Reporter: jwlato | Owner: Type: bug | Status: closed Priority: normal | Milestone: Component: Compiler | Version: 7.6.3 Resolution: wontfix | Keywords: Operating System: Unknown/Multiple | recompilation, batch-mode Type of failure: None/Unknown | Architecture: Blocked By: | Unknown/Multiple Related Tickets: | Test Case: | Blocking: | Differential Revisions: -------------------------------------+------------------------------------- Comment (by thomie): For completeness, here is an example error message that mentions the package name `containers` for an ambiguous import with GHC 7.8.4: {{{ Test.hs:5:14: Ambiguous occurrence ‘fromList’ It could refer to either ‘Data.Map.fromList’, imported from ‘Data.Map’ at Test.hs:2:1-15 (and originally defined at Data/Map.hs:2:1-8) or ‘Data.Map.fromList’, imported from ‘Data.Map’ at Test.hs:3:1-28 (and originally defined in ‘containers-0.5.5.1:Data.Map.Base’) }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8029#comment:8> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #8029: batch-mode recompilation checking sometimes fails
by GHC 25 Mar '15

25 Mar '15

#8029: batch-mode recompilation checking sometimes fails -------------------------------------+------------------------------------- Reporter: jwlato | Owner: Type: bug | Status: closed Priority: normal | Milestone: Component: Compiler | Version: 7.6.3 Resolution: wontfix | Keywords: Operating System: Unknown/Multiple | recompilation, batch-mode Type of failure: None/Unknown | Architecture: Blocked By: | Unknown/Multiple Related Tickets: | Test Case: | Blocking: | Differential Revisions: -------------------------------------+------------------------------------- Changes (by thomie): * status: new => closed * resolution: => wontfix Comment: The package name is now mentioned in the error message. In commit 7897623599db0a2b0e9b8870fdb8b2401396b3a9: {{{ Author: Simon Peyton Jones <s> Date: Tue Aug 2 17:29:16 2011 +0100 Improve pretty-printing for ambiguous imports etc }}} In commit 87a5ef5f2cc20acde5febae1e3ce6989caf8accc: {{{ Author: Simon Peyton Jones <> Date: Tue Aug 2 18:00:28 2011 +0100 Error message changes due to pretty-printing of provenances }}} Since there is a consensus to not add any extra checks to one-shot compilation mode, I'm closing this ticket. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8029#comment:7> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] Batch modify: #10045, #8276, #9929, #10110, #10052
by GHC 24 Mar '15

24 Mar '15

Batch modification to #10045, #8276, #9929, #10110, #10052 by thoughtpolice: milestone to 7.10.2 Comment: Moving to GHC 7.10.2. -- Tickets URL: <http://ghc.haskell.org/trac/ghc/query?id=10045%2C8276%2C9929%2C10110%2C10052> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #8976: dll-split: internal error: evacuate(static): strange closure type 0
by GHC 24 Mar '15

24 Mar '15

#8976: dll-split: internal error: evacuate(static): strange closure type 0 -------------------------------+---------------------------------------- Reporter: juhpetersen | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.8.1 Keywords: | Operating System: Linux Architecture: arm | Type of failure: Building GHC failed Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | -------------------------------+---------------------------------------- ghc-7.8.1 fails to build on Fedora ARM. This appears to be a regression compared to 7.8.1 RC2. {{{ : chmod +x inplace/bin/runghc inplace/bin/dll-split compiler/stage2/build/.depend-v-dyn.haskell "DynFlags" "Annotations Avail Bag BasicTypes BinIface Binary Bitmap BlockId BooleanFormula BreakArray BufWrite BuildTyCl ByteCodeAsm ByteCodeInstr ByteCodeItbls CLabel Class CmdLineParser Cmm CmmCallConv CmmExpr CmmInfo CmmMachOp CmmNode CmmType CmmUtils CoAxiom ConLike CodeGen.Platform CodeGen.Platform.ARM CodeGen.Platform.NoRegs CodeGen.Platform.PPC CodeGen.Platform.PPC_Darwin CodeGen.Platform.SPARC CodeGen.Platform.X86 CodeGen.Platform.X86_64 Coercion Config Constants CoreArity CoreFVs CoreLint CoreSubst CoreSyn CoreTidy CoreUnfold CoreUtils CostCentre DataCon Demand Digraph DriverPhases DsMonad DynFlags Encoding ErrUtils Exception ExtsCompat46 FamInstEnv FastBool FastFunctions FastMutInt FastString FastTypes Finder Fingerprint FiniteMap ForeignCall Hooks Hoopl Hoopl.Dataflow HsBinds HsDecls HsDoc HsExpr HsImpExp HsLit HsPat HsSyn HsTypes HsUtils HscTypes IOEnv Id IdInfo IfaceEnv IfaceSyn IfaceType InstEnv InteractiveEvalTypes Kind ListSetOps Literal LoadIface Maybes MkCore MkGraph MkId Module MonadUtils Name NameEnv NameSet OccName OccurAnal OptCoercion OrdList Outputable PackageConfig Packages Pair Panic PatSyn PipelineMonad Platform PlatformConstants PprCmm PprCmmDecl PprCmmExpr PprCore PrelInfo PrelNames PrelRules Pretty PrimOp RdrName Reg RegClass Rules SMRep Serialized SrcLoc StaticFlags StgCmmArgRep StgCmmClosure StgCmmEnv StgCmmLayout StgCmmMonad StgCmmProf StgCmmTicky StgCmmUtils StgSyn Stream StringBuffer TcEvidence TcIface TcRnMonad TcRnTypes TcType TcTypeNats TrieMap TyCon Type TypeRep TysPrim TysWiredIn Unify UniqFM UniqSet UniqSupply Unique Util Var VarEnv VarSet" dll-split: internal error: evacuate(static): strange closure type 0 (GHC version 7.8.1 for arm_unknown_linux) Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug make[1]: *** [compiler/stage2/dll-split.stamp] Aborted }}} This is the bug report! This happens on both Fedora 20 (current latest stable release) and 21 (in development). The build is against ghc-7.6.3 and llvm 3.3 and 3.4 respectively. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8976> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #10164: Cleanup test framework string formatting
by GHC 24 Mar '15

24 Mar '15

#10164: Cleanup test framework string formatting -------------------------------------+------------------------------------- Reporter: thomie | Owner: Type: task | Status: new Priority: normal | Milestone: Component: Test Suite | Version: 7.8.4 Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: None/Unknown Unknown/Multiple | Blocked By: Test Case: | Related Tickets: Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- This is a placeholder ticket for commits related to a cleanup of the testsuite and testsuite driver. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10164> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #10038: Missing information about some libraries in the GHC 7.10.1 RC2 release notes
by GHC 24 Mar '15

24 Mar '15

#10038: Missing information about some libraries in the GHC 7.10.1 RC2 release notes -------------------------------------+------------------------------------- Reporter: asr | Owner: Type: bug | Status: new Priority: normal | Milestone: 7.10.1 Component: | Version: 7.10.1-rc2 Documentation | Operating System: Unknown/Multiple Keywords: | Type of failure: None/Unknown Architecture: | Blocked By: Unknown/Multiple | Related Tickets: Test Case: | Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- GHC 7.10.1.RC2 is shipped with the following libraries: haskeline-0.7.2.0, pretty-1.1.2.0, terminfo-0.4.0.1, transformers-0.4.2.0 and xhtml-3000.2.1. In Section 1.5.3 of https://downloads.haskell.org/~ghc/7.10.1-rc2/docs/users_guide.pdf there isn't information about these libraries. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10038> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #10186: exprIsBottom should include isEmptyTy
by GHC 24 Mar '15

24 Mar '15

#10186: exprIsBottom should include isEmptyTy -------------------------------------+------------------------------------- Reporter: nomeata | Owner: nomeata Type: task | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.8.4 Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: None/Unknown Unknown/Multiple | Blocked By: Test Case: | Related Tickets: Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- This is a spin-of of comment:3:ticket:10180: `exprIsBottom` (which currently only takes strictnes signatures into account) should also look at the type, via the new `isEmptyTy`. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10186> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #5001: makeCorePair: arity missing
by GHC 24 Mar '15

24 Mar '15

#5001: makeCorePair: arity missing -------------------------------------+------------------------------------- Reporter: maeder | Owner: Type: bug | Status: new Priority: high | Milestone: 7.4.1 Component: Compiler | Version: 7.2.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Incorrect | Unknown/Multiple warning at compile-time | Test Case: Blocked By: | deSugar/should_compile/T5001 Related Tickets: | Blocking: | Differential Revisions: -------------------------------------+------------------------------------- Changes (by RyanGlScott): * cc: ryan.gl.scott@… (added) -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5001#comment:22> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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