fn shared_to_const<'a, 'b>(x: &&'a i32) -> *const &'b i32 { x //~ ERROR } fn unique_to_const<'a, 'b>(x: &mut &'a i32) -> *const &'b i32 { x //~ ERROR } fn unique_to_mut<'a, 'b>(x: &mut &'a i32) -> *mut &'b i32 { // Two errors because *mut is invariant x //~ ERROR //~| ERROR } fn mut_to_const<'a, 'b>(x: *mut &'a i32) -> *const &'b i32 { x //~ ERROR } fn array_elem<'a, 'b>(x: &'a i32) -> *const &'b i32 { let z = &[x; 3]; let y = z as *const &i32; y //~ ERROR } fn array_coerce<'a, 'b>(x: &'a i32) -> *const [&'b i32; 3] { let z = &[x; 3]; let y = z as *const [&i32; 3]; y //~ ERROR } fn nested_array<'a, 'b>(x: &'a i32) -> *const [&'b i32; 2] { let z = &[[x; 2]; 3]; let y = z as *const [&i32; 2]; y //~ ERROR } fn main() {}