[GHC] #11535: Derived instance of Read/Show causes runtime exception for infix Unicode value constructors

[GHC]

#11535: Derived instance of Read/Show causes runtime exception for infix Unicode
value constructors
-------------------------------------+-------------------------------------
        Reporter:  nushio            |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.10.3
      Resolution:                    |             Keywords:  unicode
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #1544, #11529     |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by thomie):

 Search for `Read instances` in `compiler/typecheck/TcGenDeriv.hs`.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11535#comment:4>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler