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Re: [Bug libstdc++/29286] [4.0/4.1/4.2/4.3 Regression] placement new does not change the dynamic type as it should
- From: "Daniel Berlin" <dberlin at dberlin dot org>
- To: gcc-bugzilla at gcc dot gnu dot org
- Cc: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 14 May 2007 07:44:23 -0400
- Subject: Re: [Bug libstdc++/29286] [4.0/4.1/4.2/4.3 Regression] placement new does not change the dynamic type as it should
- References: <bug-29286-10053@http.gcc.gnu.org/bugzilla/> <20070514082527.17686.qmail@sourceware.org>
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.