error[E0119]: conflicting implementations of trait `Value` for type `FortyTwo`
  --> $DIR/non-const-default-const-specialized.rs:27:1
   |
LL | impl<T> Value for T {
   | ------------------- first implementation here
...
LL | impl const Value for FortyTwo {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `FortyTwo`

error: aborting due to 1 previous error

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