> I have set out here to just fix the problem at hand, but it is a bit
> worrying that cse is about to replace a read with a copy of a value read
> before using an alias set that is not considered compatible.
> It would be OK if the alias set of the re-used read was adjusted, but I
> don't think we
Quoting Eric Botcazou :
Bootstrapped/regtested on i686-pc-linux-gnu.
For the record, and as you diagnosed, the change proposed in
http://gcc.gnu.org/ml/gcc-patches/2012-06/msg00367.html
means that we must now be very careful with memory dependency checking in the
various RTL optimization pas
