var runtime.zerobase

5 uses

	runtime (current package)
		arena.go#L459: 		return unsafe.Pointer(&zerobase)
		malloc.go#L927: var zerobase uintptr
		malloc.go#L1023: 		return unsafe.Pointer(&zerobase)
		mfinal.go#L297: 	if p == unsafe.Pointer(&zerobase) {
		slice.go#L197: 		return slice{unsafe.Pointer(&zerobase), newLen, newLen}