$ gotip version
go version go1.27-devel_f65692ea56 Sun Feb 15 07:19:01 2026 -0800 linux/amd64
package main
import "reflect"
func F[T interface{ [2][0]int }](x T) bool {
return reflect.DeepEqual(struct {
t T
c chan int
}{t: x}, 1)
}
func main() {
var t [2][0]int
F(t)
}
$ gotip build crash.go
# command-line-arguments
./crash.go:5:6: internal compiler error: ./crash.go:5:6: internal compiler error: cannot represent parameters of type struct { t go.shape.[2][0]int; c chan int } in registers
cannot represent parameters of type struct { t go.shape.[2][0]int; c chan int } in registers
./crash.go:5:6: internal compiler error: cannot represent parameters of type struct { t go.shape.[2][0]int; c chan int } in registers
...
Crashes both tip and go1.26
Crashes both tip and go1.26