Rustup to rustc 1.96.0-nightly (d9563937f 2026-03-03)

Author: bjorn3

patches/0027-stdlib-128bit-atomic-operations.patch

@@ -37,16 +37,7 @@ diff --git a/library/core/src/sync/atomic.rs b/library/core/src/sync/atomic.rs
 index bf2b6d59f88..d5ccce03bbf 100644
 --- a/library/core/src/sync/atomic.rs
 +++ b/library/core/src/sync/atomic.rs
-@@ -300,8 +300,6 @@ impl_atomic_primitive!(AtomicI32(i32), size("32"), align(4));
- impl_atomic_primitive!(AtomicU32(u32), size("32"), align(4));
- impl_atomic_primitive!(AtomicI64(i64), size("64"), align(8));
- impl_atomic_primitive!(AtomicU64(u64), size("64"), align(8));
--impl_atomic_primitive!(AtomicI128(i128), size("128"), align(16));
--impl_atomic_primitive!(AtomicU128(u128), size("128"), align(16));
- 
- #[cfg(target_pointer_width = "16")]
- impl_atomic_primitive!(AtomicIsize(isize), size("ptr"), align(2));
-@@ -3585,44 +3585,6 @@ pub const fn as_ptr(&self) -> *mut $int_type {
+@@ -3585,42 +3585,6 @@ pub const fn as_ptr(&self) -> *mut $int_type {
      8,
      u64 AtomicU64
  }
@@ -62,7 +53,6 @@ index bf2b6d59f88..d5ccce03bbf 100644
 -    unstable(feature = "integer_atomics", issue = "99069"),
 -    rustc_const_unstable(feature = "integer_atomics", issue = "99069"),
 -    rustc_const_unstable(feature = "integer_atomics", issue = "99069"),
--    rustc_diagnostic_item = "AtomicI128",
 -    "i128",
 -    "#![feature(integer_atomics)]\n\n",
 -    atomic_min, atomic_max,
@@ -81,7 +71,6 @@ index bf2b6d59f88..d5ccce03bbf 100644
 -    unstable(feature = "integer_atomics", issue = "99069"),
 -    rustc_const_unstable(feature = "integer_atomics", issue = "99069"),
 -    rustc_const_unstable(feature = "integer_atomics", issue = "99069"),
--    rustc_diagnostic_item = "AtomicU128",
 -    "u128",
 -    "#![feature(integer_atomics)]\n\n",
 -    atomic_umin, atomic_umax,

rust-toolchain.toml

@@ -1,4 +1,4 @@
 [toolchain]
-channel = "nightly-2026-02-24"
+channel = "nightly-2026-03-04"
 components = ["rust-src", "rustc-dev", "llvm-tools", "rustfmt"]
 profile = "minimal"