[GHC] #8305: ghci macros override built-ins for command expansion

[GHC]

#8305: ghci macros override built-ins for command expansion
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        Reporter:  rwbarton          |            Owner:
            Type:  bug               |           Status:  patch
        Priority:  highest           |        Milestone:  7.8.1
       Component:  GHCi              |          Version:  7.7
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:  #8113
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Comment (by Herbert Valerio Riedel <hvr@…>):

 In [changeset:"7e4406b282647587384981f6b5ee8d7c6309373d/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="7e4406b282647587384981f6b5ee8d7c6309373d"
 Tweak lookup semantics for GHCi macros

 This changes the prefix-based lookup to prefer macros over builtins only
 if
 the macro name matches an existing builtin name. See #8305 for more
 details.

 Signed-off-by: Herbert Valerio Riedel <hvr at gnu.org>
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8305#comment:9>
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