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partially port invalid_value lint to diagnostic items

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This commit is contained in:
Ralf Jung
2019-11-09 10:34:16 +01:00
parent 7a76fe76f7
commit 769d52774b
4 changed files with 16 additions and 19 deletions
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2
src/libcore/mem/maybe_uninit.rs
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@@ -254,6 +254,7 @@ impl<T> MaybeUninit<T> {
/// [type]: union.MaybeUninit.html
#[stable(feature = "maybe_uninit", since = "1.36.0")]
#[inline(always)]
#[cfg_attr(all(not(bootstrap)), rustc_diagnostic_item = "maybe_uninit_uninit")]
pub const fn uninit() -> MaybeUninit<T> {
MaybeUninit { uninit: () }
}
@@ -300,6 +301,7 @@ impl<T> MaybeUninit<T> {
/// ```
#[stable(feature = "maybe_uninit", since = "1.36.0")]
#[inline]
#[cfg_attr(all(not(bootstrap)), rustc_diagnostic_item = "maybe_uninit_zeroed")]
pub fn zeroed() -> MaybeUninit<T> {
let mut u = MaybeUninit::<T>::uninit();
unsafe {

2
src/libcore/mem/mod.rs
View File

@@ -457,6 +457,7 @@ pub const fn needs_drop<T>() -> bool {
#[stable(feature = "rust1", since = "1.0.0")]
#[allow(deprecated_in_future)]
#[allow(deprecated)]
#[cfg_attr(all(not(bootstrap)), rustc_diagnostic_item = "mem_zeroed")]
pub unsafe fn zeroed<T>() -> T {
intrinsics::panic_if_uninhabited::<T>();
intrinsics::init()
@@ -485,6 +486,7 @@ pub unsafe fn zeroed<T>() -> T {
#[stable(feature = "rust1", since = "1.0.0")]
#[allow(deprecated_in_future)]
#[allow(deprecated)]
#[cfg_attr(all(not(bootstrap)), rustc_diagnostic_item = "mem_uninitialized")]
pub unsafe fn uninitialized<T>() -> T {
intrinsics::panic_if_uninhabited::<T>();
intrinsics::uninit()