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Re: RFA (fold): PATCH for c++/49290 (folding *(T*)(ar+10))
Hi,
On Thu, 16 Jun 2011, Richard Guenther wrote:
> > If people want to not create useless conversions in the first place,
> > though, I suspect there are lots of places that create useless
> > conversions in the compiler.
>
> Yeah, the above looks it comes from the frontends - gimplification
> should strip this conversion, if it doesn't that is a bug ;)
Well, Mike said this view_convert_expr actually is on the LHS of an
assignment. I wouldn't be surprised if nobody strips "useless"
conversions of LHSes, exactly because such things on a LHS are no
conversions.
Ciao,
Michael.