[commit: ghc] master: Comments only (b21e8cc)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/b21e8cc32302d2e9f3f2ea65173741cd43b0411a/ghc

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

commit b21e8cc32302d2e9f3f2ea65173741cd43b0411a
Author: Simon Peyton Jones <simonpj at microsoft.com>
Date:   Fri May 6 09:50:03 2016 +0100

    Comments only


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

b21e8cc32302d2e9f3f2ea65173741cd43b0411a
 compiler/typecheck/TcRnTypes.hs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/compiler/typecheck/TcRnTypes.hs b/compiler/typecheck/TcRnTypes.hs
index dc05c13..3fd2a83 100644
--- a/compiler/typecheck/TcRnTypes.hs
+++ b/compiler/typecheck/TcRnTypes.hs
@@ -754,6 +754,8 @@ type TcIdSet     = IdSet
 type TcIdBinderStack = [TcIdBinder]
    -- This is a stack of locally-bound ids, innermost on top
    -- Used ony in error reporting (relevantBindings in TcError)
+   -- We can't use the tcl_env type environment, because it doesn't
+   --   keep track of the nesting order
 
 data TcIdBinder
   = TcIdBndr