mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-18 03:25:55 +00:00
17 lines
374 B
Rust
17 lines
374 B
Rust
//@ compile-flags: -O
|
|
//@ only-64bit
|
|
//
|
|
// This test confirms that we do not reload the length of a Vec after growing it in push.
|
|
|
|
#![crate_type = "lib"]
|
|
|
|
// CHECK-LABEL: @should_load_once
|
|
#[no_mangle]
|
|
pub fn should_load_once(v: &mut Vec<u8>) {
|
|
// CHECK: load i64
|
|
// CHECK: call {{.*}}grow_one
|
|
// CHECK-NOT: load i64
|
|
// CHECK: add {{.*}}, 1
|
|
v.push(1);
|
|
}
|