rust-lang/rust
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Rollup merge of #80491 - RalfJung:dangling-of-val, r=oli-obk

Browse Source 
Miri: make size/align_of_val work for dangling raw ptrs

This is needed for https://github.com/rust-lang/rust/issues/80365#issuecomment-752128105.

r? `@oli-obk`
This commit is contained in:
Mara Bos
2020-12-30 20:56:56 +00:00
committed by GitHub
parent 3d93dfdf6e f76bae9244
commit 067f1b7030
4 changed files with 16 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
library/core/src/mem/mod.rs
View File

@@ -379,7 +379,8 @@ pub const fn size_of_val<T: ?Sized>(val: &T) -> usize {
/// ```
#[inline]
#[unstable(feature = "layout_for_ptr", issue = "69835")]
pub unsafe fn size_of_val_raw<T: ?Sized>(val: *const T) -> usize {
#[rustc_const_unstable(feature = "const_size_of_val_raw", issue = "46571")]
pub const unsafe fn size_of_val_raw<T: ?Sized>(val: *const T) -> usize {
intrinsics::size_of_val(val)
}
@@ -510,7 +511,8 @@ pub const fn align_of_val<T: ?Sized>(val: &T) -> usize {
/// ```
#[inline]
#[unstable(feature = "layout_for_ptr", issue = "69835")]
pub unsafe fn align_of_val_raw<T: ?Sized>(val: *const T) -> usize {
#[rustc_const_unstable(feature = "const_align_of_val_raw", issue = "46571")]
pub const unsafe fn align_of_val_raw<T: ?Sized>(val: *const T) -> usize {
intrinsics::min_align_of_val(val)
}