[GHC] #12456: Panics when making a quotation as pattern synonym
#12456: Panics when making a quotation as pattern synonym -------------------------------------+------------------------------------- Reporter: Iceland_jack | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.0.1 Keywords: | Operating System: Unknown/Multiple PatternSynonyms | Architecture: | Type of failure: None/Unknown Unknown/Multiple | Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: -------------------------------------+------------------------------------- {{{ $ ghci -XPatternSynonyms -XViewPatterns -ignore-dot-ghci GHCi, version 8.0.1: http://www.haskell.org/ghc/ :? for help Prelude> :m + Language.Haskell.TH Prelude Language.Haskell.TH> pattern A :: ExpQ; pattern A <- (undefined -> ()) where A = undefined ghc: panic! (the 'impossible' happened) (GHC version 8.0.1 for x86_64-unknown-linux): nameModule system $dIP_a4HS Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug Prelude Language.Haskell.TH> }}} should we be able to use quotations that are pattern synonyms? I have no use for this. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12456 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#12456: Panics when making a quotation as pattern synonym -------------------------------------+------------------------------------- Reporter: Iceland_jack | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.0.1 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: | -------------------------------------+------------------------------------- Comment (by RyanGlScott): This works in GHC 8.0.2 and HEAD. It was apparently fixed in f352e5cd7bb629fe0ca3b913bfbe7bee43d62f3a. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12456#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#12456: Panics when making a quotation as pattern synonym
-------------------------------------+-------------------------------------
Reporter: Iceland_jack | Owner:
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 8.0.1
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 Ryan Scott
#12456: Panics when making a quotation as pattern synonym -------------------------------------+------------------------------------- Reporter: Iceland_jack | Owner: Type: bug | Status: merge Priority: normal | Milestone: Component: Compiler | Version: 8.0.1 Resolution: | Keywords: | PatternSynonyms Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: | ghci/should_run/T12456 Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * status: new => merge * testcase: => ghci/should_run/T12456 Comment: Since this test will also work in GHC 8.0.2, the above commit can be safely merged. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12456#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#12456: Panics when making a quotation as pattern synonym -------------------------------------+------------------------------------- Reporter: Iceland_jack | Owner: Type: bug | Status: closed Priority: normal | Milestone: 8.0.2 Component: Compiler | Version: 8.0.1 Resolution: fixed | Keywords: | PatternSynonyms Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: | ghci/should_run/T12456 Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by bgamari): * status: merge => closed * resolution: => fixed * milestone: => 8.0.2 Comment: Test in comment:2 merged `ghc-8.0` as 243994c30e70bc8987a5bf8ceaf780ac01c8eb5e. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12456#comment:4 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
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