diff options
Diffstat (limited to 'src/test/codegen/vecdeque_no_panic.rs')
-rw-r--r-- | src/test/codegen/vecdeque_no_panic.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/codegen/vecdeque_no_panic.rs b/src/test/codegen/vecdeque_no_panic.rs new file mode 100644 index 000000000..cbf420bad --- /dev/null +++ b/src/test/codegen/vecdeque_no_panic.rs @@ -0,0 +1,19 @@ +// 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(); +} |