On 02/19/2016 05:52 AM, Jan Hubicka wrote: > Hi, > thank you for working this out and writting summary. I think in a shorter > form this would make > excellent entry for changes.html, too. We tell about the new feature and > warn users about fallout > that is always good.
Good idea. That's a suggestion for changes.html. Ready to be installed? Martin
Index: htdocs/gcc-6/changes.html =================================================================== RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-6/changes.html,v retrieving revision 1.62 diff --unified -r1.62 changes.html --- htdocs/gcc-6/changes.html 24 Feb 2016 09:36:06 -0000 1.62 +++ htdocs/gcc-6/changes.html 25 Feb 2016 11:21:42 -0000 @@ -230,6 +230,10 @@ <li>The default mode has been changed to <code>-std=gnu++14</code>.</li> <li>C++ Concepts are now supported when compiling with <code>-std=gnu++1z</code> or <code>-std=c++1z</code>.</li> + <li><code>-flifetime-dse</code> is more + aggressive in dead-store elimination in situations where + a memory store to a location precedes a constructor to the + memory location.</li> </ul> <h4 id="libstdcxx">Runtime Library (libstdc++)</h4>