rust/src/test/codegen/loop.rs
Mark Rousskov e2efec8976 Prevent miscompilation in trivial loop {}
Ideally, we would want to handle a broader set of cases to fully fix the
underlying bug here. That is currently relatively expensive at compile and
runtime, so we don't do that for now.
2020-10-15 09:42:06 -04:00

15 lines
229 B
Rust

// compile-flags: -C opt-level=3
#![crate_type = "lib"]
// CHECK-LABEL: @check_loop
#[no_mangle]
pub fn check_loop() -> u8 {
// CHECK-NOT: unreachable
call_looper()
}
#[no_mangle]
fn call_looper() -> ! {
loop {}
}