[Bug bootstrap/60644] [4.9 Regression] Build of i686-pc-linux-android is broken

[aivchenk at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60644

--- Comment #4 from Alexander Ivchenko <aivchenk at gmail dot com> ---
That (In reply to Andrew Pinski from comment #2)
> Well pthread_yield should be replaced with the POSIX version: sched_yield()
> instead.

Right.. the attached patch cured the build