1| |#![allow(unused_assignments)] 2| |// expect-exit-status-1 3| | 4| 1|fn main() -> Result<(),u8> { 5| 1| let mut countdown = 10; 6| | while 7| 7| countdown 8| 7| > 9| 7| 0 10| | { 11| | if 12| 7| countdown 13| 7| < 14| 7| 5 15| | { 16| | return 17| | if 18| 1| countdown 19| 1| > 20| 1| 8 21| | { 22| 0| Ok(()) 23| | } 24| | else 25| | { 26| 1| Err(1) 27| | } 28| | ; 29| 6| } 30| 6| countdown 31| 6| -= 32| 6| 1 33| | ; 34| | } 35| 0| Ok(()) 36| 1|} 37| | 38| |// ISSUE(77553): Originally, this test had `Err(1)` on line 22 (instead of `Ok(())`) and 39| |// `std::process::exit(2)` on line 26 (instead of `Err(1)`); and this worked as expected on Linux 40| |// and MacOS. But on Windows (MSVC, at least), the call to `std::process::exit()` exits the program 41| |// without saving the InstrProf coverage counters. The use of `std::process:exit()` is not critical 42| |// to the coverage test for early returns, but this is a limitation that should be fixed.