11 Feb
2004
11 Feb
'04
5:34 p.m.
"Peter Dimov" <pdimov@mmltd.net> writes:
David Abrahams wrote:
"Peter Dimov" <pdimov@mmltd.net> writes:
The compiler is allowed to elide a temporary created by a copy constructor.
The compiler is _not_ allowed to elide a temporary created by some other constructor, because this changes observable behavior and is not explicitly allowed.
I think what's explicitly allowed depends on your reading of 8.5.3/5
No, the relevant portion here is 12.8/15.
1. Do you realize that 12.8/15 was almost completely rewritten by Core issue 20? 2. I still think it's arguable that 8.5.3/5 does not require a copy constructor to be used in my example, making 12.8/15 irrelevant AFAICT. -- Dave Abrahams Boost Consulting www.boost-consulting.com