#11368: Pattern synonym name is mangled when patterns are non-exhaustive ---------------------------------+--------------------------------------- Reporter: Iceland_jack | Owner: Type: bug | Status: new Priority: low | Milestone: Component: Compiler | Version: 8.1 Resolution: | Keywords: PatternSynonyms Operating System: Linux | Architecture: x86 Type of failure: Other | Test Case: Blocked By: | Blocking: Related Tickets: #11367 | Differential Rev(s): Wiki Page: | ---------------------------------+--------------------------------------- Description changed by Iceland_jack: Old description:
{{{ pattern A n <- ... where A 0 = ... }}}
When a pattern synonym is non-exhaustive its name is mangled:
A 3 "*** Exception: /tmp/tmp.t0h0pMgwWb.hs:(4,1)-(5,14): Non-exhaustive
{{{ patterns in function $bA }}}
“Non-exhaustive patterns in pattern synonym A”
[https://ghc.haskell.org/trac/ghc/ticket/11367?replyto=5#comment:1 Comment] from ticket #11367.
A 3 "*** Exception: /tmp/tmp.t0h0pMgwWb.hs:(4,1)-(5,14): Non-exhaustive
New description: {{{#!hs pattern A n <- ... where A 0 = ... }}} When a pattern synonym is non-exhaustive its name is mangled: {{{ patterns in function $bA }}} “Non-exhaustive patterns in pattern synonym A” [https://ghc.haskell.org/trac/ghc/ticket/11367?replyto=5#comment:1 Comment] from ticket #11367. -- -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11368#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler