tests/ui/const-generics/float-generic.simple.stderr

error: `f32` is forbidden as the type of a const generic parameter
  --> $DIR/float-generic.rs:7:17
   |
LL | fn foo<const F: f32>() {}
   |                 ^^^
   |
   = note: the only supported types are integers, `bool`, and `char`

error: aborting due to 1 previous error