[Bug 1001504] Fix CYG_REFERENCE_OBJECT macro, add CYGBLD_ATTRIB_UNUSED macro

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Jonathan Larmour <jifl@ecoscentric.com> changed:

           What    |Removed                     |Added
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                 CC|                            |jifl@ecoscentric.com

--- Comment #1 from Jonathan Larmour <jifl@ecoscentric.com> 2012-03-03 04:30:53 GMT ---
No patch attached....

The CYGBLD_ATTRIB_UNUSED attribute addition is fine (and obviously you'll need
to add that before the other patches I approved tonight).

However I just want to check about the CYG_REFERENCE_OBJECT change, as far as I
can tell the "used" attribute still applies to variables. e.g. here:
http://gcc.gnu.org/onlinedocs/gcc/Variable-Attributes.html

and more specifically here:
http://gcc.gnu.org/viewcvs/branches/gcc-4_6-branch/gcc/doc/extend.texi?content-type=text%2Fplain&view=co

and there's no mention of it being removed here:
http://gcc.gnu.org/gcc-4.6/changes.html

Unless, of course, they failed to keep their docs in line with reality, but it
seems unlikely. Is there some alternative explanation for why you were having
trouble with it in CYG_REFERENCE_OBJECT?

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