1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
//@revisions: noopt opt
//@ build-fail
//@[noopt] compile-flags: -Copt-level=0
//@[opt] compile-flags: -O
//! This fails without optimizations, so it should also fail with optimizations.
struct Late<T>(T);
impl<T> Late<T> {
const FAIL: () = panic!(); //~ERROR evaluation of `Late::<i32>::FAIL` failed
const FNPTR: fn() = || Self::FAIL;
}
// This function is not actually called, but it is mentioned in dead code in a function that is
// called. The function then mentions a const that evaluates to a fnptr that points to a function
// that used a const that fails to evaluate.
// This tests that when processing mentioned items, we also check the fnptrs in the final values
// of consts that we encounter.
#[inline(never)]
fn not_called<T>() {
if false {
let _ = Late::<T>::FNPTR;
}
}
#[inline(never)]
fn called<T>() {
if false {
not_called::<T>();
}
}
pub fn main() {
called::<i32>();
}
|
