go: cmd/compile: internal compiler error: no function definition for [0xc42181a5a0]

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

go version go1.10rc1 linux/amd64

Does this issue reproduce with the latest release?

This affects the release candidate.

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

GOARCH="amd64"
GOBIN=""
GOCACHE="/home/tduberstein/.cache/go-build"
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/tduberstein/local/go"
GORACE=""
GOROOT="/home/tduberstein/local/go1.10"
GOTMPDIR=""
GOTOOLDIR="/home/tduberstein/local/go1.10/pkg/tool/linux_amd64"
GCCGO="gccgo"
CC="gcc"
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"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build297022879=/tmp/go-build -gno-record-gcc-switches"

What did you do?

go get -d github.com/cockroachdb/cockroach
cd $(go env GOPATH)/src/github.com/cockroachdb/cockroach
make build PKG=./pkg/sql/pgwire

What did you expect to see?

Tests run.

What did you see instead?

# github.com/cockroachdb/cockroach/pkg/sql/pgwire_test
pkg/sql/pgwire/pgwire_test.go:317:45: internal compiler error: no function definition for [0xc424862960] FUNC-method(*pgwire.Server) func() []context.CancelFunc


Please file a bug report including a short program that triggers the error.
https://golang.org/issue/new
FAIL    github.com/cockroachdb/cockroach/pkg/sql/pgwire [build failed]
make: *** [Makefile:773: test] Error 2