package main

//go:fix inline
func foo[T [8]byte | [4]uint16]() {
    var v T
    var n byte = 1 << len(v) >> len(v)
    if n == 0 {
        println("T is [8]byte")
    } else {
        println("T is [4]uint16]")
    }
}

func main() {
    foo[[8]byte]()
}

package main

import "unsafe"

//go:fix inline
func foo[T any]() {
    var t T
    _ = 1 / unsafe.Sizeof(t)
}

func main() {
    foo[struct{}]()
}