diff options
Diffstat (limited to 'src/test/ui/nll/drop-may-dangle.rs')
-rw-r--r-- | src/test/ui/nll/drop-may-dangle.rs | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/src/test/ui/nll/drop-may-dangle.rs b/src/test/ui/nll/drop-may-dangle.rs deleted file mode 100644 index b5531c29b..000000000 --- a/src/test/ui/nll/drop-may-dangle.rs +++ /dev/null @@ -1,34 +0,0 @@ -// Basic test for liveness constraints: the region (`R1`) that appears -// in the type of `p` includes the points after `&v[0]` up to (but not -// including) the call to `use_x`. The `else` branch is not included. - -// check-pass - -#![allow(warnings)] -#![feature(dropck_eyepatch)] - -fn use_x(_: usize) -> bool { true } - -fn main() { - let mut v = [1, 2, 3]; - let p: WrapMayDangle<& /* R4 */ usize> = WrapMayDangle { value: &v[0] }; - if true { - // `p` will get dropped at end of this block. However, because of - // the `#[may_dangle]` attribute, we do not need to consider R4 - // live after this point. - use_x(*p.value); - } else { - v[0] += 1; - use_x(22); - } - - v[0] += 1; -} - -struct WrapMayDangle<T> { - value: T -} - -unsafe impl<#[may_dangle] T> Drop for WrapMayDangle<T> { - fn drop(&mut self) { } -} |