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| author | Yuki Okushi <huyuumi.dev@gmail.com> | 2020-12-30 18:15:25 +0900 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-12-30 18:15:25 +0900 |
| commit | 9576ee97d1f824281e34ecd531965c33bb2e9dd2 (patch) | |
| tree | 300a2ac290a7cb048723a35ae6abedf9183ecf0d /library | |
| parent | bdc215a8b9bd917e8902f113a9f65afe1d25ffe2 (diff) | |
| parent | 5718cc2f9b32290dc34ce320076f92d90c00fb7d (diff) | |
| download | rust-9576ee97d1f824281e34ecd531965c33bb2e9dd2.tar.gz rust-9576ee97d1f824281e34ecd531965c33bb2e9dd2.zip | |
Rollup merge of #80477 - tmiasko:safe-forget, r=oli-obk
Make forget intrinsic safe
Diffstat (limited to 'library')
| -rw-r--r-- | library/core/src/mem/mod.rs | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/library/core/src/mem/mod.rs b/library/core/src/mem/mod.rs index e84014c68a6..87956787242 100644 --- a/library/core/src/mem/mod.rs +++ b/library/core/src/mem/mod.rs @@ -151,9 +151,14 @@ pub const fn forget<T>(t: T) { #[inline] #[unstable(feature = "forget_unsized", issue = "none")] pub fn forget_unsized<T: ?Sized>(t: T) { + #[cfg(bootstrap)] // SAFETY: the forget intrinsic could be safe, but there's no point in making it safe since // we'll be implementing this function soon via `ManuallyDrop` - unsafe { intrinsics::forget(t) } + unsafe { + intrinsics::forget(t) + } + #[cfg(not(bootstrap))] + intrinsics::forget(t) } /// Returns the size of a type in bytes. |