[GHC] #10591: repeated field name allowed in constructor

30 Jun 2015

      #10591: repeated field name allowed in constructor
-------------------------------------+-------------------------------------
              Reporter:  gladstein   |             Owner:
                  Type:  bug         |            Status:  new
              Priority:  normal      |         Milestone:
             Component:  Compiler    |           Version:  7.8.3
              Keywords:              |  Operating System:  Windows
          Architecture:              |   Type of failure:  GHC accepts
  Unknown/Multiple                   |  invalid program
             Test Case:              |        Blocked By:
              Blocking:              |   Related Tickets:
Differential Revisions:              |
-------------------------------------+-------------------------------------
 {{{#!hs
 data Foo = Bar {x :: Int}
          | Baz {x :: Int,
                 x :: String
                }

 main = do let a = Bar 1
               b = Baz 2 "3"
           print $ x a
           print $ x b
 }}}

 :load "p:/DSFP/sandbox/bug1.hs"
 GHCi, version 7.8.3: http://www.haskell.org/ghc/  :? for help
 Loading package ghc-prim ... linking ... done.
 Loading package integer-gmp ... linking ... done.
 Loading package base ... linking ... done.
 Prelude> [1 of 1] Compiling Main             ( P:\DSFP\sandbox\bug1.hs,
 interpreted )
 Ok, modules loaded: Main.
 *Main> main
 1
 1729382256910738103
 *Main>

--
Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10591
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