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-rw-r--r--src/libcore/num/mod.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/libcore/num/mod.rs b/src/libcore/num/mod.rs
index 1168126c47c..3aeb1183218 100644
--- a/src/libcore/num/mod.rs
+++ b/src/libcore/num/mod.rs
@@ -48,6 +48,7 @@ macro_rules! nonzero_integers {
             /// ```
             #[stable(feature = "nonzero", since = "1.28.0")]
             #[derive(Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
+            #[repr(transparent)]
             pub struct $Ty(NonZero<$Int>);
 
             impl $Ty {
@@ -123,6 +124,7 @@ nonzero_integers! {
 /// ```
 #[stable(feature = "rust1", since = "1.0.0")]
 #[derive(PartialEq, Eq, PartialOrd, Ord, Clone, Copy, Default, Hash)]
+#[repr(transparent)]
 pub struct Wrapping<T>(#[stable(feature = "rust1", since = "1.0.0")]
                        pub T);