[Bug libstdc++/29286] [4.0/4.1/4.2/4.3 Regression] placement new does not change the dynamic type as it should

[dberlin at dberlin dot org]

------- Comment #61 from dberlin at gcc dot gnu dot org  2007-05-14 12:44 -------
Subject: Re:  [4.0/4.1/4.2/4.3 Regression] placement new does not change the
dynamic type as it should

On 14 May 2007 08:25:27 -0000, rguenth at gcc dot gnu dot org
<gcc-bugzilla@gcc.gnu.org> wrote:
>
>
> ------- Comment #60 from rguenth at gcc dot gnu dot org  2007-05-14 09:25 -------
> But it doesn't have a result, does it?  Given that, I wonder how moving stmts
> across it is prevented?

Okay, so then it needs an LHS that defines a new SSA name, otherwise,
we'll end up with dead ones everywhere, and they will keep other dead
code alive.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29286