On Wed, Jun 25, 2014 at 10:54 AM, Jakub Jelinek <ja...@redhat.com> wrote: > On Wed, Jun 25, 2014 at 10:14:17AM +0200, Richard Biener wrote: >> > Perhaps not unsurprisingly, the patch is very similar. Bootstrapped >> > and tested on x86_64-linux. OK for trunk? >> >> Ok - please give the C++/atomics folks a chance to comment. >> >> This change of default behavior should also be documented in >> gcc-4.10/changes.html. > > Do we want to allow the store data races by default with -Ofast even in strict > conformance modes (-std=c++11, -std=c++14, -std=c11)?
I think so. -Ofast means -Ofast (same issue with fp contraction and other stuff -ffast-math enables that is not valid in strict conformance mode). Richard.
