error[E0412]: cannot find type `OsStr` in this scope
  --> $DIR/issue-84108.rs:6:24
   |
LL | static FOO: (dyn AsRef<OsStr>, u8) = ("hello", 42);
   |                        ^^^^^ not found in this scope
   |
help: consider importing this struct
   |
LL + use std::ffi::OsStr;
   |

error[E0412]: cannot find type `Path` in this scope
  --> $DIR/issue-84108.rs:9:14
   |
LL | const BAR: (&Path, [u8], usize) = ("hello", [], 42);
   |              ^^^^ not found in this scope
   |
help: consider importing this struct
   |
LL + use std::path::Path;
   |

error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
  --> $DIR/issue-84108.rs:12:13
   |
LL | static BAZ: ([u8], usize) = ([], 0);
   |             ^^^^^^^^^^^^^ doesn't have a size known at compile-time
   |
   = help: the trait `Sized` is not implemented for `[u8]`
   = note: only the last element of a tuple may have a dynamically sized type

error[E0308]: mismatched types
  --> $DIR/issue-84108.rs:12:30
   |
LL | static BAZ: ([u8], usize) = ([], 0);
   |                              ^^ expected `[u8]`, found `[_; 0]`
   |
   = note: expected slice `[u8]`
              found array `[_; 0]`

error: aborting due to 4 previous errors

Some errors have detailed explanations: E0277, E0308, E0412.
For more information about an error, try `rustc --explain E0277`.