rust/tests/run-coverage/simple_loop.coverage

    1|       |#![allow(unused_assignments)]
    2|       |
    3|      1|fn main() {
    4|      1|    // Initialize test constants in a way that cannot be determined at compile time, to ensure
    5|      1|    // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from
    6|      1|    // dependent conditions.
    7|      1|    let is_true = std::env::args().len() == 1;
    8|      1|
    9|      1|    let mut countdown = 0;
   10|      1|
   11|      1|    if
   12|      1|        is_true
   13|      1|    {
   14|      1|        countdown
   15|      1|        =
   16|      1|            10
   17|      1|        ;
   18|      1|    }
                   ^0
   19|       |
   20|       |    loop
   21|       |    {
   22|       |        if
   23|     11|            countdown
   24|     11|                ==
   25|     11|            0
   26|       |        {
   27|      1|            break
   28|       |            ;
   29|     10|        }
   30|     10|        countdown
   31|     10|        -=
   32|     10|        1
   33|       |        ;
   34|       |    }
   35|      1|}