Go compiler panic on invalid generic append

Repro

// appendpanic.go
package p

func f[T any](x T) {
	_ = append([]byte{}, x...)
}

Run:

go build appendpanic.go

Expected

A normal compile/type error.

Actual

<unknown line number>: internal compiler error: panic: runtime error: invalid memory address or nil pointer dereference

Environment

• go version go1.26.1 darwin/arm64