| error[E0133]: call to unsafe function `foo` is unsafe and requires unsafe function or block | |
| --> $DIR/const-extern-fn-requires-unsafe.rs:9:17 | |
| | | |
| LL | let a: [u8; foo()]; | |
| | ^^^^^ call to unsafe function | |
| | | |
| = note: consult the function's documentation for information on how to avoid undefined behavior | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0133`. |