------- Comment #6 from rguenther at suse dot de 2010-01-25 16:29 ------- Subject: Re: Revisit std::function for aliasing issues
On Mon, 25 Jan 2010, paolo dot carlini at oracle dot com wrote: > ------- Comment #5 from paolo dot carlini at oracle dot com 2010-01-25 10:10 > ------- > Ok, I see that asking was a good idea, the tangle of issues is quite complex. > Anyway, this is my current proposal: let' use for now your mildly optimized > and > in any case correct solution using a loop of char-wise std::swap, the first > solution you proposed on the gcc-patches discussion. For both std and tr1. > Likely tr1 will stay like that forever. Let's remove the dependency of this > bug > on the overzealous memcpy optimization bug and the blocking of the > optimization > issue which started this discussion; let's add instead dependency on the > "uninitialized_swap" enhancement. Let's keep the present bug open of course, > as > enhancement. > > Are you willing to prepare a patch including a comment, better two different > comments one simpler for the tr1 version and one slightly longer for the std > version? I'll let the dust settle a bit on the gcc-patches discussion; I can then post a patch along the above lines. Thanks, Richard. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42832
