   LL|       |#![feature(coverage_attribute)]
   LL|       |//@ edition: 2024
   LL|       |
   LL|       |// Basic test for `while` expressions.
   LL|       |
   LL|      1|fn while_with_tail_expr() {
   LL|      1|    let mut x = 5;
   LL|      6|    while x > 0 {
   LL|      5|        x -= 1;
   LL|      5|        say("decreased x")
   LL|       |    }
   LL|      1|    say("goodbye");
   LL|      1|}
   LL|       |
   LL|      1|fn while_with_tail_stmt() {
   LL|      1|    let mut x = 5;
   LL|      6|    while x > 0 {
   LL|      5|        x -= 1;
   LL|      5|        say("decreased x");
   LL|       |    }
   LL|      1|    say("goodbye");
   LL|      1|}
   LL|       |
   LL|       |#[coverage(off)]
   LL|       |fn main() {
   LL|       |    while_with_tail_expr();
   LL|       |    while_with_tail_stmt();
   LL|       |}
   LL|       |
   LL|       |#[coverage(off)]
   LL|       |fn say(msg: &str) {
   LL|       |    println!("{msg}");
   LL|       |}