error[E0308]: mismatched types
  --> $DIR/issue-3477.rs:2:20
   |
LL |     let _p: char = 100;
   |             ----   ^^^ expected `char`, found `u8`
   |             |
   |             expected due to this

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0308`.