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Make const_eval_select a real intrinsic

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This commit is contained in:
Deadbeef
2022-08-23 00:07:26 +00:00
parent 8521a8c92d
commit 075084f772
27 changed files with 432 additions and 287 deletions
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4
library/core/src/slice/raw.rs
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@@ -90,7 +90,7 @@ use crate::ptr;
pub const unsafe fn from_raw_parts<'a, T>(data: *const T, len: usize) -> &'a [T] {
// SAFETY: the caller must uphold the safety contract for `from_raw_parts`.
unsafe {
assert_unsafe_precondition!(
assert_unsafe_precondition!([T](data: *const T, len: usize) =>
is_aligned_and_not_null(data)
&& crate::mem::size_of::<T>().saturating_mul(len) <= isize::MAX as usize
);
@@ -134,7 +134,7 @@ pub const unsafe fn from_raw_parts<'a, T>(data: *const T, len: usize) -> &'a [T]
pub const unsafe fn from_raw_parts_mut<'a, T>(data: *mut T, len: usize) -> &'a mut [T] {
// SAFETY: the caller must uphold the safety contract for `from_raw_parts_mut`.
unsafe {
assert_unsafe_precondition!(
assert_unsafe_precondition!([T](data: *mut T, len: usize) =>
is_aligned_and_not_null(data)
&& crate::mem::size_of::<T>().saturating_mul(len) <= isize::MAX as usize
);