rust/tests/codegen/vecdeque_no_panic.rs
2023-01-11 09:32:08 +00:00

20 lines
429 B
Rust

// This test checks that `VecDeque::front[_mut]()` and `VecDeque::back[_mut]()` can't panic.
// compile-flags: -O
// ignore-debug: the debug assertions get in the way
#![crate_type = "lib"]
use std::collections::VecDeque;
// CHECK-LABEL: @dont_panic
#[no_mangle]
pub fn dont_panic(v: &mut VecDeque<usize>) {
// CHECK-NOT: expect
// CHECK-NOT: panic
v.front();
v.front_mut();
v.back();
v.back_mut();
}