------- Comment #5 from matz at suse dot de  2009-05-07 15:13 -------
Subject: Re:  [4.5 Regression] casts loose alignment
 info

On Thu, 7 May 2009, rguenth at gcc dot gnu dot org wrote:

> And if something should look through conversions it is get_pointer_alignment

Yes, this is actually used in the ppc testcase to get hold of the 
pointer alignment of the mem buffer.  The conservatively typed cast is 
confusing it then, and as explained we aren't allowed to look through it 
(and if we were we would have to use the _lowest_ not largest alignment in 
the those conversion sequence).


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40060

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