[commit: packages/base] master: Remove misleading comment (ebe15a1)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/base

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/ebe15a10191aafb2bcfd3e29f234cd72c152459c/base

>---------------------------------------------------------------

commit ebe15a10191aafb2bcfd3e29f234cd72c152459c
Author: Austin Seipp <austin at well-typed.com>
Date:   Thu Mar 13 18:19:28 2014 -0500

    Remove misleading comment
    
    We actually can't inline at phase 0 here, because there's probably a
    pretty good chance 'map' will get optimized away which will defeat the
    rule.
    
    Signed-off-by: Austin Seipp <austin at well-typed.com>


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ebe15a10191aafb2bcfd3e29f234cd72c152459c
 GHC/Base.lhs |    3 ---
 1 file changed, 3 deletions(-)

diff --git a/GHC/Base.lhs b/GHC/Base.lhs
index bb605e7..1c8e144 100644
--- a/GHC/Base.lhs
+++ b/GHC/Base.lhs
@@ -405,9 +405,6 @@ mapFB c f = \x ys -> c (f x) ys
 -- section 6.4:
 --
 --   http://research.microsoft.com/en-us/um/people/simonpj/papers/ext-f/coercible.pdf
---
--- We rewrite late so the optimiser has as many chances as possible to
--- turn up instances of map coerce.
 
 {-# RULES "map/coerce" map coerce = coerce #-}