// Tests that we are able to distinguish when loans borrow different // anonymous fields of a tuple vs the same anonymous field. struct Y(usize, usize); fn distinct_variant() { let mut y = Y(1, 2); let a = match y { Y(ref mut a, _) => a }; let b = match y { Y(_, ref mut b) => b }; *a += 1; *b += 1; } fn same_variant() { let mut y = Y(1, 2); let a = match y { Y(ref mut a, _) => a }; let b = match y { Y(ref mut b, _) => b //~ ERROR cannot borrow }; *a += 1; *b += 1; } fn main() { }