http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58437
--- Comment #21 from Jeffrey M. Birnbaum <jmbnyc at gmail dot com> --- (In reply to Paolo Carlini from comment #19) > I ran some quick tests and indeed the performance seems equal of better of > those of the old C++03 code. Note that the patch is very small and can be > installed even on top of the installed headers, without rebuilding anything, > thus I would really encourage the bug submitters to test it and report back. Excellent. Will test and report back.