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
|
#![feature(coverage_attribute)]
//@ edition: 2021
// Regression test for <https://github.com/rust-lang/rust/issues/122738>.
// These code patterns should not trigger an ICE when allocating a physical
// counter to a node and also one of its in-edges, because that is allowed
// when the node contains a tight loop to itself.
fn loopy(cond: bool) {
let true = cond else { loop {} };
}
// Variant that also has `loop {}` on the success path.
// This isn't needed to catch the original ICE, but might help detect regressions.
fn _loop_either_way(cond: bool) {
let true = cond else { loop {} };
loop {}
}
// Variant using regular `if` instead of let-else.
// This doesn't trigger the original ICE, but might help detect regressions.
fn _if(cond: bool) {
if cond { loop {} } else { loop {} }
}
#[coverage(off)]
fn main() {
loopy(true);
}
|
