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Rollup of 8 pull requests #93452

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Rollup of 8 pull requests #93452

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5e97fc9
Make `NonNull::new` `const`
lilasta Jan 23, 2022
1ab97db
add note suggesting that predicate is satisfied but is not const
compiler-errors Jan 27, 2022
c6de4d5
drive-by: use is_const and is_const_if_const
compiler-errors Jan 27, 2022
c6f6e3e
do not register infer var for GAT projection in opaque
compiler-errors Jan 27, 2022
da0d506
kmc-solid: Implement `FileDesc::duplicate`
kawadakk Jan 28, 2022
cdd0873
Add a test case for using NonNull::new in const context
lilasta Jan 28, 2022
2188c55
Move unstable is_{arch}_feature_detected! macros to std::arch
Amanieu Jan 28, 2022
9a814b8
Update stdarch submodule
Amanieu Jan 28, 2022
9d65342
fix nit
lcnr Jan 28, 2022
f9e0eb3
remove unused `jemallocator` crate
lqd Jan 28, 2022
5b2747a
Add test for old ICE
BGR360 Dec 27, 2021
2819d90
Add test for old ICE in #91594
BGR360 Dec 27, 2021
3f849a8
Add test for old ICE in #89066
BGR360 Dec 27, 2021
2b684a3
Rollup merge of #92312 - BGR360:needs-test, r=Mark-Simulacrum
matthiaskrgr Jan 29, 2022
cb97b8a
Rollup merge of #93236 - woppopo:const_nonnull_new, r=oli-obk
matthiaskrgr Jan 29, 2022
8e9fecf
Rollup merge of #93358 - compiler-errors:is-not-const, r=fee1-dead
matthiaskrgr Jan 29, 2022
7fa7e02
Rollup merge of #93362 - compiler-errors:ice-gat-in-rpit, r=oli-obk
matthiaskrgr Jan 29, 2022
be7249a
Rollup merge of #93410 - solid-rs:feat-kmc-solid-net-dup, r=dtolnay
matthiaskrgr Jan 29, 2022
45f9ac8
Rollup merge of #93414 - Amanieu:std_arch_detect, r=m-ou-se
matthiaskrgr Jan 29, 2022
0aac06f
Rollup merge of #93424 - lcnr:nit, r=spastorino
matthiaskrgr Jan 29, 2022
49cae39
Rollup merge of #93431 - lqd:remove-jemallocator, r=Mark-Simulacrum
matthiaskrgr Jan 29, 2022
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Make NonNull::new const
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@lilasta
lilasta committed Jan 23, 2022
commit 5e97fc9aa265cb523a16cbe035c638eb35257cf5
3 changes: 2 additions & 1 deletion library/core/src/ptr/non_null.rs
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Expand Up @@ -211,8 +211,9 @@ impl<T: ?Sized> NonNull<T> {
/// }
/// ```
#[stable(feature = "nonnull", since = "1.25.0")]
#[rustc_const_unstable(feature = "const_nonnull_new", issue = "93235")]
#[inline]
pub fn new(ptr: *mut T) -> Option<Self> {
pub const fn new(ptr: *mut T) -> Option<Self> {
if !ptr.is_null() {
// SAFETY: The pointer is already checked and is not null
Some(unsafe { Self::new_unchecked(ptr) })
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