runtime support for default in select. assumes cas->send == 2 for default case.
runtime support for default in select.
assumes cas->send == 2 for default case.

R=ken
OCL=18628
CL=18628

ssrl/go,tv42/old-go,wesolows/golang-old,h8liu/golang,wesolows/golang-old,wesolows/golang,tianon/debian-golang,bdwalton/debian-golang,pombredanne/go-deleteme,firebitsbr/golang-old,tv42/old-go,tianon/debian-golang,firebitsbr/golang-old,wesolows/golang,nightlyone/golang,nightlyone/golang,tv42/old-go,bdwalton/debian-golang,apparentlymart/golang,ssrl/go,ssrl/go,firebitsbr/golang-old,bdwalton/debian-golang,firebitsbr/golang-old,tianon/debian-golang,ssrl/go,tianon/debian-golang,pombredanne/go-deleteme,tv42/old-go,dsriram/golang,apparentlymart/golang,gnanderson/go,gnanderson/go,apparentlymart/golang,dsriram/golang,gnanderson/go,h8liu/golang,firebitsbr/golang-old,bdwalton/debian-golang,dsriram/golang,nightlyone/golang,ssrl/go,pombredanne/go-deleteme,tianon/debian-golang,gnanderson/go,gnanderson/go,wesolows/golang-old,bdwalton/debian-golang,firebitsbr/golang-old,h8liu/golang,bdwalton/debian-golang,wesolows/golang,gnanderson/go,wesolows/golang-old,dsriram/golang,tv42/old-go,gnanderson/go,nightlyone/golang,pombredanne/go-deleteme,h8liu/golang,bdwalton/debian-golang,nightlyone/golang,nightlyone/golang,tianon/debian-golang,pombredanne/go-deleteme,dsriram/golang,pombredanne/go-deleteme,h8liu/golang,nightlyone/golang,firebitsbr/golang-old,tianon/debian-golang,wesolows/golang-old,apparentlymart/golang,bdwalton/debian-golang,wesolows/golang-old,wesolows/golang-old,firebitsbr/golang-old,tv42/old-go,h8liu/golang,apparentlymart/golang,ssrl/go,dsriram/golang,wesolows/golang,h8liu/golang,apparentlymart/golang,wesolows/golang,wesolows/golang,tianon/debian-golang,wesolows/golang,pombredanne/go-deleteme,tv42/old-go,dsriram/golang,ssrl/go,apparentlymart/golang