Failed Blargg's cgb_sound.gb

[BartElliott]

What did you do?

./goboy cgb_sound.gb

What did you expect to see?

Tests passed

What did you see instead?

Hung on test 12:

System details

go version go1.11.2 linux/amd64
GOARCH="amd64"
GOBIN=""
GOCACHE="/home/bell/.cache/go-build"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/bell/go"
GOPROXY=""
GORACE=""
GOROOT="/usr/lib/go"
GOTMPDIR=""
GOTOOLDIR="/usr/lib/go/pkg/tool/linux_amd64"
GCCGO="gccgo"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/home/bell/github/goboy/go.mod"
GOROOT/bin/go version: go version go1.11.2 linux/amd64
GOROOT/bin/go tool compile -V: compile version go1.11.2
uname -sr: Linux 4.19.2-arch1-1-ARCH
/usr/lib/libc.so.6: GNU C Library (GNU libc) stable release version 2.28.
gdb --version: GNU gdb (GDB) 8.2