error[E0741]: `f32` is forbidden as the type of a const generic parameter
  --> $DIR/float-generic.rs:5:17
   |
LL | fn foo<const F: f32>() {}
   |                 ^^^
   |
   = note: floats do not derive `Eq` or `Ord`, which are required for const parameters

error: aborting due to previous error

For more information about this error, try `rustc --explain E0741`.