error[E0119]: conflicting implementations of trait `Value` for type `FortyTwo`
  --> $DIR/const-default-impl-non-const-specialized-impl.rs:22:1
   |
LL | impl<T> const Value for T {
   | ------------------------- first implementation here
...
LL | impl Value for FortyTwo {
   | ^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `FortyTwo`

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0119`.