- ghc-tickets - Haskell.org

Re: [GHC] #2408: threadWaitRead on mingw32 threaded causes internal error
by GHC 30 Jun '14

30 Jun '14

#2408: threadWaitRead on mingw32 threaded causes internal error -----------------------------------+--------------------------- Reporter: kirby | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: libraries/base | Version: 7.6.1 Resolution: | Keywords: Operating System: Windows | Architecture: x86 Type of failure: Runtime crash | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: -----------------------------------+--------------------------- Changes (by ezyang): * cc: hvr, ekmett (added) * milestone: 6.10.1 => -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/2408#comment:5> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #7672: boot file entities are sometimes invisible and are not (semantically) unified with corresponding entities in implementing module
by GHC 30 Jun '14

30 Jun '14

#7672: boot file entities are sometimes invisible and are not (semantically) unified with corresponding entities in implementing module ----------------------------------------------+---------------------------- Reporter: skilpat | Owner: Type: bug | Status: new Priority: normal | Milestone: 7.10.1 Component: Compiler (Type checker) | Version: 7.4.2 Resolution: | Keywords: backpack Operating System: Linux | Architecture: x86_64 Type of failure: GHC rejects valid program | (amd64) Test Case: | Difficulty: Unknown Blocking: | Blocked By: | Related Tickets: ----------------------------------------------+---------------------------- Changes (by ezyang): * keywords: recursive modules, boot files, double vision, double vision problem => backpack -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7672#comment:6> 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 30 Jun '14

30 Jun '14

#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 | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: -------------------------------------+------------------------------------ Changes (by ezyang): * keywords: => backpack -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/1409#comment:64> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #703: all binaries built by ghc have executable stacks
by GHC 30 Jun '14

30 Jun '14

#703: all binaries built by ghc have executable stacks ----------------------------+---------------------------------------------- Reporter: duncan | Owner: ezyang Type: bug | Status: new Priority: normal | Milestone: Component: | Version: 7.6.3 Compiler (NCG) | Keywords: Resolution: | Architecture: Unknown/Multiple Operating System: Linux | Difficulty: Moderate (less than a day) Type of failure: | Blocked By: None/Unknown | Related Tickets: Test Case: N/A | Blocking: | ----------------------------+---------------------------------------------- Changes (by ezyang): * type: merge => bug -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/703#comment:39> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #703: all binaries built by ghc have executable stacks
by GHC 30 Jun '14

30 Jun '14

#703: all binaries built by ghc have executable stacks ----------------------------+---------------------------------------------- Reporter: duncan | Owner: ezyang Type: merge | Status: new Priority: normal | Milestone: Component: | Version: 7.6.3 Compiler (NCG) | Keywords: Resolution: | Architecture: Unknown/Multiple Operating System: Linux | Difficulty: Moderate (less than a day) Type of failure: | Blocked By: None/Unknown | Related Tickets: Test Case: N/A | Blocking: | ----------------------------+---------------------------------------------- Changes (by ezyang): * milestone: 6.6.1 => -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/703#comment:38> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #9245: In absence of recursive imports, hs-boot files not checked for consistency
by GHC 30 Jun '14

30 Jun '14

#9245: In absence of recursive imports, hs-boot files not checked for consistency -----------------------------------+--------------------------------------- Reporter: ezyang | Owner: ezyang Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.9 Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: Compile-time crash Unknown/Multiple | Test Case: Difficulty: Unknown | Blocking: Blocked By: | Related Tickets: | -----------------------------------+--------------------------------------- Example: B.hs-boot {{{ module B where b :: Bool }}} A.hs {{{ module A where import {-# SOURCE #-} B a = b }}} B.hs {{{ module B where }}} Main.hs {{{ import A main = print a }}} Compilation: {{{ ghc -c B.hs-boot ghc -c A.hs ghc -c B.hs ghc -c Main.hs ghc -o main A.o B.o Main.o }}} Error: {{{A.o:(.text+0x79): undefined reference to `B_b_closure' A.o: In function `A_a_srt': (.data+0x0): undefined reference to `B_b_closure' collect2: error: ld returned 1 exit status }}} The culprit seems to be this code: {{{ -- OK, so we're in one-shot mode. -- In that case, we're read all the direct imports by now, -- so eps_is_boot will record if any of our imports mention us by -- way of hi-boot file { eps <- getEps ; case lookupUFM (eps_is_boot eps) (moduleName mod) of { Nothing -> return emptyModDetails ; -- The typical case Just (_, False) -> failWithTc moduleLoop ; -- Someone below us imported us! -- This is a loop with no hi-boot in the way Just (_mod, True) -> -- There's a hi-boot interface below us }}} but I am not 100% sure what the correct new logic is yet. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9245> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #5722: GHC inlines class method forever
by GHC 30 Jun '14

30 Jun '14

#5722: GHC inlines class method forever ---------------------------------------+----------------------------------- Reporter: benmachine | Owner: simonpj Type: bug | Status: new Priority: normal | Milestone: ⊥ Component: Compiler | Version: 7.2.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time crash | Unknown/Multiple Test Case: | Difficulty: Unknown Blocking: | Blocked By: | Related Tickets: ---------------------------------------+----------------------------------- Changes (by klao): * cc: klao@… (added) Comment: One aspect in which the #9235 example is different, is that it triggers the bug even with `-O0`. (I'm not sure if this is important or not.) -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5722#comment:6> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #5722: GHC inlines class method forever
by GHC 30 Jun '14

30 Jun '14

#5722: GHC inlines class method forever ---------------------------------------+----------------------------------- Reporter: benmachine | Owner: simonpj Type: bug | Status: new Priority: normal | Milestone: ⊥ Component: Compiler | Version: 7.2.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time crash | Unknown/Multiple Test Case: | Difficulty: Unknown Blocking: | Blocked By: | Related Tickets: ---------------------------------------+----------------------------------- Comment (by simonpj): See #9235 for another example. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5722#comment:5> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #703: all binaries built by ghc have executable stacks
by GHC 30 Jun '14

30 Jun '14

#703: all binaries built by ghc have executable stacks ----------------------------+---------------------------------------------- Reporter: duncan | Owner: ezyang Type: merge | Status: new Priority: normal | Milestone: 6.6.1 Component: | Version: 7.6.3 Compiler (NCG) | Keywords: Resolution: | Architecture: Unknown/Multiple Operating System: Linux | Difficulty: Moderate (less than a day) Type of failure: | Blocked By: None/Unknown | Related Tickets: Test Case: N/A | Blocking: | ----------------------------+---------------------------------------------- Comment (by ezyang): I did write a test, but we never figured out why Fedora 64bit was still having executable stacks, and then the problem went away. So... I'm not really sure what was going on. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/703#comment:37> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #703: all binaries built by ghc have executable stacks
by GHC 30 Jun '14

30 Jun '14

#703: all binaries built by ghc have executable stacks ----------------------------+---------------------------------------------- Reporter: duncan | Owner: ezyang Type: merge | Status: new Priority: normal | Milestone: 6.6.1 Component: | Version: 7.6.3 Compiler (NCG) | Keywords: Resolution: | Architecture: Unknown/Multiple Operating System: Linux | Difficulty: Moderate (less than a day) Type of failure: | Blocked By: None/Unknown | Related Tickets: Test Case: N/A | Blocking: | ----------------------------+---------------------------------------------- Comment (by tibbe): Could someone please write a test so this doesn't regress again? -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/703#comment:36> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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