Merge commit 'd5d4e82fb28f506701791f622ec0b03b984e41a5' into ios3

Conflicts:
	src/runtime/stack.h

go1.4

LGTM=bradfitz, minux, dsymonds
R=rsc, bradfitz, iant, dsymonds, minux
CC=golang-codereviews
https://golang.org/cl/188920043

go1.4rc2

LGTM=rsc
R=rsc
CC=golang-codereviews
https://golang.org/cl/179700043

[release-branch.go1.4] remove cmd/link from nacl test zip

LGTM=dsymonds
R=rsc, dsymonds
CC=golang-codereviews
https://golang.org/cl/179830043

cmd/objdump: disable test failing on arm5

TBR=adg
CC=golang-codereviews
https://golang.org/cl/167890043

go1.3.3

LGTM=iant
R=golang-codereviews, iant
CC=golang-codereviews
https://golang.org/cl/151190043

[release-branch.go1.3] net: prevent spurious on-connect events via ep…

…oll on linux

««« CL 120820043 / 06a4b59c1393
net: prevent spurious on-connect events via epoll on linux

On Linux, adding a socket descriptor to epoll instance before getting
the EINPROGRESS return value from connect system call could be a root
cause of spurious on-connect events.

See golang.org/issue/8276, golang.org/issue/8426 for further information.

All credit to Jason Eggleston <jason@eggnet.com>

Fixes golang#8276.
Fixes golang#8426.

LGTM=dvyukov
R=dvyukov, golang-codereviews, adg, dave, iant, alex.brainman
CC=golang-codereviews
https://golang.org/cl/120820043
»»»

TBR=r, rsc
CC=golang-codereviews
https://golang.org/cl/128110045

go1.3

LGTM=rsc
R=golang-codereviews, minux, rsc
CC=golang-codereviews
https://golang.org/cl/104250043

go1.3rc2

LGTM=minux, rsc
R=golang-codereviews, minux, rsc
CC=golang-codereviews
https://golang.org/cl/105170044