http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54419
--- Comment #2 from Ulrich Drepper <drepper.fsp at gmail dot com> 2012-08-30 20:19:35 UTC --- The instruction is generated by the compiler. If you try to compile a new compiler you have to make sure the tools used are recent enough to understand the output of the compiler.
