error[E0384]: cannot assign twice to immutable variable `v`
  --> $DIR/liveness-assign-imm-local-with-init.rs:6:5
   |
LL |     let v: isize = 1;
   |         -
   |         |
   |         first assignment to `v`
   |         help: consider making this binding mutable: `mut v`
...
LL |     v = 2;
   |     ^^^^^ cannot assign twice to immutable variable

error: aborting due to previous error

For more information about this error, try `rustc --explain E0384`.