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From: "nicola at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug objc/47682] unused-but-set-variabled warning when using fast enumeration
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47682

Nicola Pero <nicola at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |WAITING
   Last reconfirmed|                            |2011.02.10 19:24:33
                 CC|                            |nicola at gcc dot gnu.org
     Ever Confirmed|0                           |1

--- Comment #2 from Nicola Pero <nicola at gcc dot gnu.org> 2011-02-10 19:24:33 UTC ---
Yes, this is supposed to have been fixed, even if not by me ;-)

It was Iain who fixed it --

http://gcc.gnu.org/ml/gcc-cvs/2011-01/msg00219.html

I see that Jos is using "gcc version 4.6.0 20101219 (experimental) (GCC)",
which
I'd expect wouldn't include the fix.

I asked him (offline) if he could try again with a newer compiler.  It works
for me with GNUstep and GCC 4.6 trunk.

Thanks