diff --git a/crates/core_arch/src/loongarch64/simd.rs b/crates/core_arch/src/loongarch64/simd.rs
index 2c4a0f8493..32f191509b 100644
--- a/crates/core_arch/src/loongarch64/simd.rs
+++ b/crates/core_arch/src/loongarch64/simd.rs
@@ -18,7 +18,7 @@ pub(super) const trait SimdExt: Sized {
 macro_rules! impl_simd_ext {
     ($v:ident, $e:ty) => {
         #[rustc_const_unstable(feature = "stdarch_const_helpers", issue = "none")]
-        impl const SimdExt for crate::core_arch::simd::$v {
+        const impl SimdExt for crate::core_arch::simd::$v {
             type Elem = $e;
 
             #[inline(always)]
diff --git a/crates/core_arch/src/simd.rs b/crates/core_arch/src/simd.rs
index 9a756eee44..30c3125f5f 100644
--- a/crates/core_arch/src/simd.rs
+++ b/crates/core_arch/src/simd.rs
@@ -88,7 +88,7 @@ impl<T: SimdElement, const N: usize> Clone for Simd<T, N> {
 
 #[rustc_const_unstable(feature = "stdarch_const_helpers", issue = "none")]
 #[rustfmt::skip] // FIXME: https://github.com/rust-lang/stdarch/pull/2133#issuecomment-4524350350
-impl<T: SimdElement, const N: usize> const crate::cmp::PartialEq for Simd<T, N> {
+const impl<T: SimdElement, const N: usize> crate::cmp::PartialEq for Simd<T, N> {
     #[inline]
     fn eq(&self, other: &Self) -> bool {
         self.as_array() == other.as_array()
@@ -301,7 +301,7 @@ impl<T: SimdElement, const N: usize> Clone for SimdM<T, N> {
 
 #[rustc_const_unstable(feature = "stdarch_const_helpers", issue = "none")]
 #[rustfmt::skip] // FIXME: https://github.com/rust-lang/stdarch/pull/2133#issuecomment-4524350350
-impl<T: SimdElement, const N: usize> const crate::cmp::PartialEq for SimdM<T, N> {
+const impl<T: SimdElement, const N: usize> crate::cmp::PartialEq for SimdM<T, N> {
     #[inline]
     fn eq(&self, other: &Self) -> bool {
         self.as_array() == other.as_array()
diff --git a/rust-version b/rust-version
index 387bd8edd2..e8cec4e0ee 100644
--- a/rust-version
+++ b/rust-version
@@ -1 +1 @@
-029c9e18dd1f4668e1d42bb187c1c263dfe20093
+8e150217bafcaaaa0c45bf685c55fd56cec48598