diff --git a/library/stdarch/crates/core_arch/src/lib.rs b/library/stdarch/crates/core_arch/src/lib.rs
index 2049558fd934..424a185f88e6 100644
--- a/library/stdarch/crates/core_arch/src/lib.rs
+++ b/library/stdarch/crates/core_arch/src/lib.rs
@@ -5,6 +5,7 @@
 #![feature(
     const_fn,
     const_fn_union,
+    custom_inner_attributes,
     link_llvm_intrinsics,
     platform_intrinsics,
     repr_simd,
@@ -75,4 +76,4 @@ mod core_arch;
 pub use self::core_arch::arch::*;
 
 #[allow(unused_imports)]
-use core::{ffi, hint, intrinsics, marker, mem, ptr, sync};
+use core::{ffi, hint, intrinsics, marker, mem, ops, ptr, sync};
diff --git a/library/stdarch/crates/core_arch/src/powerpc/altivec.rs b/library/stdarch/crates/core_arch/src/powerpc/altivec.rs
index 6858757d5d6e..2bcec9374b80 100644
--- a/library/stdarch/crates/core_arch/src/powerpc/altivec.rs
+++ b/library/stdarch/crates/core_arch/src/powerpc/altivec.rs
@@ -285,7 +285,7 @@ impl_from! { i8x16, u8x16,  i16x8, u16x8, i32x4, u32x4, f32x4 }
 
 macro_rules! impl_neg {
     ($s: ident : $zero: expr) => {
-        impl core::ops::Neg for s_t_l!($s) {
+        impl crate::ops::Neg for s_t_l!($s) {
             type Output = s_t_l!($s);
             fn neg(self) -> Self::Output {
                 let zero = $s::splat($zero);