1 error[E0308]: mismatched types
2 --> $DIR/issue-10764.rs:4:15
4 LL | fn main() { f(bar) }
5 | - ^^^ expected "Rust" fn, found "C" fn
7 | arguments to this function are incorrect
9 = note: expected fn pointer `fn()`
10 found fn item `extern "C" fn() {bar}`
11 note: function defined here
12 --> $DIR/issue-10764.rs:1:4
14 LL | fn f(_: extern "Rust" fn()) {}
15 | ^ ---------------------
17 error: aborting due to previous error
19 For more information about this error, try `rustc --explain E0308`.