High Sierra TestDialerDualStackFDLeak Compile Error

[donatj]

--- FAIL: TestDialerDualStackFDLeak (0.21s)
	dial_test.go:90: got 102.187247ms; want <= 95ms
FAIL
FAIL	net	6.344s

What version of Go are you using (go version)?

Compiling 1.9.1 with 1.8.1

Does this issue reproduce with the latest release?

Compiling 1.9.1 with 1.9.1 gives the same error

What operating system and processor architecture are you using (go env)?

GOARCH="amd64"
GOBIN=""
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GOOS="darwin"
GOPATH="/Users/jdonat/gocode"
GORACE=""
GOROOT="/Users/jdonat/go"
GOTOOLDIR="/Users/jdonat/go/pkg/tool/darwin_amd64"
GCCGO="gccgo"
CC="clang"
GOGCCFLAGS="-fPIC -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/dr/cpm01_51333c1px2yzc8qr9xq1kth0/T/go-build472700749=/tmp/go-build -gno-record-gcc-switches -fno-common"
CXX="clang++"
CGO_ENABLED="1"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"

What did you do?

GOROOT_BOOTSTRAP=$HOME/go1.8.1 ./all.bash

GOROOT_BOOTSTRAP=$HOME/go1.9.1 ./all.bash

[ianlancetaylor]

Dup of #22062?

[donatj]

@ianlancetaylor it totally is. I don't know how I missed that, I did search first. Closing.