[GHC] #10426: matchGroupArity panic with PatternSynonyms
#10426: matchGroupArity panic with PatternSynonyms ---------------------------------------+--------------------------------- Reporter: Iceland_jack | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.10.1 Keywords: | Operating System: Linux Architecture: x86 | Type of failure: None/Unknown Test Case: | Blocked By: Blocking: | Related Tickets: Differential Revisions: | ---------------------------------------+--------------------------------- {{{#!hs {-# LANGUAGE PatternSynonyms, ViewPatterns, EmptyCase #-} pattern Id <- (id -> _) where }}} which gives: {{{#!hs % ghc -ignore-dot-ghci tmp.FbbzjZ48OO.hs [1 of 1] Compiling Main ( tmp.FbbzjZ48OO.hs, tmp.FbbzjZ48OO.o ) ghc: panic! (the 'impossible' happened) (GHC version 7.10.0.20150316 for i386-unknown-linux): matchGroupArity Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10426 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#10426: matchGroupArity panic with PatternSynonyms -------------------------------------+------------------------------------- Reporter: Iceland_jack | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.10.1 Resolution: | Keywords: | PatternSynonyms 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 thomie): * keywords: => PatternSynonyms * cc: mpickering, cactus (added) * os: Linux => Unknown/Multiple * architecture: x86 => Unknown/Multiple Comment: Not fixed yet in ghc-7.11.20151019. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10426#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#10426: matchGroupArity panic with PatternSynonyms
-------------------------------------+-------------------------------------
Reporter: Iceland_jack | Owner:
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 7.10.1
Resolution: | Keywords:
| PatternSynonyms
Operating System: Unknown/Multiple | Architecture:
| Unknown/Multiple
Type of failure: None/Unknown | Test Case:
Blocked By: | Blocking:
Related Tickets: | Differential Rev(s):
Wiki Page: |
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Comment (by Ben Gamari
#10426: matchGroupArity panic with PatternSynonyms -------------------------------------+------------------------------------- Reporter: Iceland_jack | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.10.1 Resolution: | Keywords: | PatternSynonyms Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: T10426 Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by bgamari): * testcase: => T10426 -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10426#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#10426: matchGroupArity panic with PatternSynonyms -------------------------------------+------------------------------------- Reporter: Iceland_jack | Owner: Type: bug | Status: patch Priority: normal | Milestone: Component: Compiler | Version: 7.10.1 Resolution: | Keywords: | PatternSynonyms Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: T10426 Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D1665 Wiki Page: | -------------------------------------+------------------------------------- Changes (by mpickering): * status: new => patch * differential: => Phab:D1665 -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10426#comment:4 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#10426: matchGroupArity panic with PatternSynonyms
-------------------------------------+-------------------------------------
Reporter: Iceland_jack | Owner:
Type: bug | Status: patch
Priority: normal | Milestone:
Component: Compiler | Version: 7.10.1
Resolution: | Keywords:
| PatternSynonyms
Operating System: Unknown/Multiple | Architecture:
| Unknown/Multiple
Type of failure: None/Unknown | Test Case: T10426
Blocked By: | Blocking:
Related Tickets: | Differential Rev(s): Phab:D1665
Wiki Page: |
-------------------------------------+-------------------------------------
Comment (by Matthew Pickering
#10426: matchGroupArity panic with PatternSynonyms -------------------------------------+------------------------------------- Reporter: Iceland_jack | Owner: Type: bug | Status: closed Priority: normal | Milestone: Component: Compiler | Version: 7.10.1 Resolution: fixed | Keywords: | PatternSynonyms Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: T10426 Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D1665 Wiki Page: | -------------------------------------+------------------------------------- Changes (by mpickering): * status: patch => closed * resolution: => fixed -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10426#comment:6 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#10426: matchGroupArity panic with PatternSynonyms
-------------------------------------+-------------------------------------
Reporter: Iceland_jack | Owner:
Type: bug | Status: closed
Priority: normal | Milestone:
Component: Compiler | Version: 7.10.1
Resolution: fixed | Keywords:
| PatternSynonyms
Operating System: Unknown/Multiple | Architecture:
| Unknown/Multiple
Type of failure: None/Unknown | Test Case: T10426
Blocked By: | Blocking:
Related Tickets: | Differential Rev(s): Phab:D1665
Wiki Page: |
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Comment (by Simon Peyton Jones
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