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[Bug c++/21672] Loses temporary in complex expression
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 19 May 2005 23:40:37 -0000
- Subject: [Bug c++/21672] Loses temporary in complex expression
- References: <20050519212022.21672.igodard@pacbell.net>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-05-19 23:40 -------
(In reply to comment #9)
> And we can construct more. But it does not rule out the fact that we
> should handle the simple cases.
What assuming |= returns *this, that is just wrong and you know it, if the compiler assumes that, then
we will get false warnings for places which don't return a reference to a temporary variable.
Also I copied the code from his example so the example in comment #5 is just a reduced testcase for
his example.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21672