[Bug middle-end/42103] [4.4 regression] packed 64-bit field reports as violation of strict aliasing rules

[pinskia at gcc dot gnu dot org]

------- Comment #3 from pinskia at gcc dot gnu dot org  2009-11-21 00:54 -------
(In reply to comment #2) 
> I've also confirmed that using the 'may_alias' attribute in the 64-bit version
> suppresses the warning, although I think this qualifies as a workaround, not a
> fix to the problem.  I'm also not sure how our project leaders would consider
> such a workaround, given that the intent behind extra warnings is to make the
> code better.

It is not a work around, it fixes the aliasing issue in your code.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42103