}
type mediumScalarEven [8192]byte
type mediumScalarOdd [3321]byte
type mediumPointerEven [1024]*smallPointer
type mediumPointerOdd [1023]*smallPointer

type largeScalar [UserArenaChunkBytes + 1]byte
type largePointer [UserArenaChunkBytes/unsafe.Sizeof(&smallPointer{}) + 1]*smallPointer

func TestUserArena(t *testing.T) {
	// Set GOMAXPROCS to 2 so we don't run too many of these
	// tests in parallel.
	defer GOMAXPROCS(GOMAXPROCS(2))