http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40766
--- Comment #23 from joseph at codesourcery dot com <joseph at codesourcery dot com> 2012-04-24 13:13:13 UTC --- The glibc libm work has mainly been oriented at correctness rather than performance, and postdates the 2.15 release so will be new in 2.16 (the 2.15 announcement came some time after the actual tag and branching).
