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
|
// skip-filecheck
// Basic test for liveness constraints: the region (`R1`) that appears
// in the type of `p` includes the points after `&v[0]` up to (but not
// including) the call to `use_x`. The `else` branch is not included.
//@ compile-flags:-Zverbose-internals
// ^^^^^^^^^^^^^^^^^^^ force compiler to dump more region information
#![allow(warnings)]
fn use_x(_: usize) -> bool {
true
}
// EMIT_MIR_FOR_EACH_BIT_WIDTH
// EMIT_MIR region_subtyping_basic.main.nll.0.mir
fn main() {
let mut v = [1, 2, 3];
let p = &v[0];
let q = p;
if true {
use_x(*q);
} else {
use_x(22);
}
}
|
