[wwwdocs] Describe behavior of -flifetime-dse in class constructors

[Markus Trippelsdorf]

On 2016.02.25 at 11:07 +0100, Markus Trippelsdorf wrote:
> On 2016.02.25 at 11:01 +0100, Martin Liška wrote:
> > On 02/17/2016 04:01 PM, Martin Liška wrote:
> > > On 02/17/2016 03:23 PM, Jakub Jelinek wrote:
> > >> "has been" looks weird.  I'd say that the C++ compiler is now more
> > >> aggressive...
> > >>
> > I've been thinking if the suggested patch makes sense any longer after
> > the following patch was applied:
> > https://gcc.gnu.org/ml/gcc-patches/2016-02/msg01651.html ?
> 
> It still makes sense, just replace -fno-lifetime-dse with
> -fno-lifetime-dse=1.

Err, I mean -flifetime-dse=1 of course.

-- 
Markus