commit 8faac74e54e8a76cd4ff860c1b6da3836e4a1b1e
author est31 <MTest31@outlook.com> Sat Aug 05 05:14:32 2023 +0200
committer est31 <MTest31@outlook.com> Sun Aug 06 00:20:29 2023 +0200
tree e901f0dc95e70739915920343c78d3b53cb2ab2f
parent 33970db8c6a50a4a8c0fbb3d7d94893de24b98b5

Remove ptr_from_mut diagnostic item

It was added by #113657 for its purposes.
Now it is not used any more, remove it,
as we use the attr now.

compiler/rustc_span/src/symbol.rs

diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs
index 07d4817..46f3487 100644
--- a/compiler/rustc_span/src/symbol.rs
+++ b/compiler/rustc_span/src/symbol.rs
@@ -1159,7 +1159,6 @@
         ptr_cast,
         ptr_cast_mut,
         ptr_const_is_null,
-        ptr_from_mut,
         ptr_from_ref,
         ptr_guaranteed_cmp,
         ptr_is_null,

library/core/src/ptr/mod.rs

diff --git a/library/core/src/ptr/mod.rs b/library/core/src/ptr/mod.rs
index 84cc2e4..8d1a4de 100644
--- a/library/core/src/ptr/mod.rs
+++ b/library/core/src/ptr/mod.rs
@@ -712,7 +712,6 @@
 #[must_use]
 #[unstable(feature = "ptr_from_ref", issue = "106116")]
 #[cfg_attr(not(bootstrap), rustc_never_returns_null_ptr)]
-#[rustc_diagnostic_item = "ptr_from_mut"]
 pub const fn from_mut<T: ?Sized>(r: &mut T) -> *mut T {
     r
 }