mirror of
https://github.com/rust-lang/rust.git
synced 2025-10-30 20:44:34 +00:00
13 lines
391 B
Rust
13 lines
391 B
Rust
//@ compile-flags: -Copt-level=3
|
|
#![crate_type = "lib"]
|
|
|
|
#[no_mangle]
|
|
pub fn get_len() -> usize {
|
|
// CHECK-LABEL: @get_len
|
|
// CHECK-NEXT: start:
|
|
// CHECK-NEXT: ; call __rustc::__rust_no_alloc_shim_is_unstable_v2
|
|
// CHECK-NEXT: tail call void @_R{{.+}}__rust_no_alloc_shim_is_unstable_v2()
|
|
// CHECK-NEXT: ret i{{[0-9]+}} 3
|
|
[1, 2, 3].iter().collect::<Vec<_>>().len()
|
|
}
|