runtime: mark runtime.goexit as nosplit Required for preemptive scheduler, see the comment.
runtime: mark runtime.goexit as nosplit
Required for preemptive scheduler, see the comment.

R=golang-dev, daniel.morsing
CC=golang-dev
https://codereview.appspot.com/9841047

pombredanne/go-deleteme,pombredanne/go-deleteme,apparentlymart/golang,tv42/old-go,pombredanne/go-deleteme,apparentlymart/golang,apparentlymart/golang,apparentlymart/golang,pombredanne/go-deleteme,apparentlymart/golang,apparentlymart/golang,tv42/old-go,tv42/old-go,pombredanne/go-deleteme,gnanderson/go,tv42/old-go,tv42/old-go,gnanderson/go,gnanderson/go,pombredanne/go-deleteme,tv42/old-go,gnanderson/go,tv42/old-go,gnanderson/go,pombredanne/go-deleteme,gnanderson/go,gnanderson/go,apparentlymart/golang