rust/tests/codegen/vec-iter-collect-len.rs

//@ ignore-debug: the debug assertions get in the way
//@ compile-flags: -O
#![crate_type="lib"]

#[no_mangle]
pub fn get_len() -> usize {
    // CHECK-LABEL: @get_len
    // CHECK-NOT: call
    // CHECK-NOT: invoke
    [1, 2, 3].iter().collect::<Vec<_>>().len()
}