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

go version go1.9.2 linux/amd64

Does this issue reproduce with the latest release?

Yes

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

GOARCH="amd64"
GOBIN=""
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/helin/env/gopath"
GORACE=""
GOROOT="/home/helin/env/go"
GOTOOLDIR="/home/helin/env/go/pkg/tool/linux_amd64"
GCCGO="gccgo"
CC="gcc"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build809756853=/tmp/go-build -gno-record-gcc-switches"
CXX="g++"
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?

package main

import (
	"fmt"
)

const arraySize = 1

// comment above and uncomment below, will work as expected.
// const arraySize = 2

type foo struct {
	bar [arraySize]*int
}

func main() {
	ch := make(chan foo, 2)
	var a int
	var b [arraySize]*int
	b[0] = &a
	ch <- foo{bar: b}
	close(ch)

	for v := range ch {
		// uncomment below, will work as expected.
		// fmt.Println(v.bar[0])
		for i := 0; i < 1; i++ {
			fmt.Println(v.bar[0], b[0])
		}
	}
}

What did you expect to see?

// Output:
// 0x10410020 0x10410020

What did you see instead?

// Output:
// <nil> 0x10410020

Playground link:

https://play.golang.org/p/Qd8fDy-ls3