On Fri, Oct 21, 2016 at 02:58:26PM +0300, Gleb Natapov wrote:
> On Fri, Oct 21, 2016 at 12:44:39PM +0100, Jonathan Wakely wrote:
> > On 21/10/16 14:36 +0300, Gleb Natapov wrote:
> > > On Thu, Oct 20, 2016 at 11:53:49PM -0400, Ryan Burn wrote:
> > > > Are exception classes required to support emplace new construction
> > > > like that? With this change, Intel's TBB library no longer compiles
> > > > because its exception class declares it's own new operator (see
> > > > https://github.com/wjakob/tbb/blob/master/include/tbb/tbb_exception.h):
> > > >
> > > Can you test this patch please:
> >
> > That doesn't help, the overloaded new still prevents placement new.
> > Dammit.
> >
> Hmm, are you sure. This program compiles for me (while fails without ::):
>
Looks like tbb also compiles and pass tests.
> #include<new>
> #include <stdlib.h>
>
> struct S {
> void* operator new (unsigned long size);
> };
>
> main() {
> void* p = malloc(sizeof(S));
> ::new(p) S();
> }
>
> --
> Gleb.
--
Gleb.
