gcc/testsuite/ChangeLog:
* rust/execute/torture/loop-condition-eval.rs: New test.
Signed-off-by: Zixing Liu <liushuyu011@gmail.com>
--- /dev/null
+// { dg-output "1\n" }
+pub fn test() -> u64 {
+ let mut n = 113383; // #20 in https://oeis.org/A006884
+ while n != 1 {
+ n = if n % 2 == 0 { n / 2 } else { 3 * n + 1 };
+ }
+ n
+}
+
+pub fn test_1() -> u64 {
+ test()
+}
+
+extern "C" {
+ fn printf(fmt: *const i8, ...);
+}
+
+fn main() -> i32 {
+ unsafe { printf("%lu\n" as *const str as *const i8, test_1()) }
+ 0
+}