Re: [PATCHv2] do not throw in std::make_exception_ptr

[Gleb Natapov <gleb at scylladb dot com>]

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 ::):

#include<new>
#include <stdlib.h>

struct S {
  void* operator new (unsigned long size);
};

main() {
 void* p = malloc(sizeof(S));
 ::new(p) S();
}

--
			Gleb.