impl Debug for raw pointers to unsized data

1 files changed, 2 insertions, 2 deletions

diff --git a/src/libcore/fmt/mod.rs b/src/libcore/fmt/mod.rs
index a9f53d3abb8..9aba6703386 100644
--- a/src/libcore/fmt/mod.rs
+++ b/src/libcore/fmt/mod.rs
@@ -1566,11 +1566,11 @@ floating! { f64 }
 // Implementation of Display/Debug for various core types
 
 #[stable(feature = "rust1", since = "1.0.0")]
-impl<T> Debug for *const T {
+impl<T: ?Sized> Debug for *const T {
     fn fmt(&self, f: &mut Formatter) -> Result { Pointer::fmt(self, f) }
 }
 #[stable(feature = "rust1", since = "1.0.0")]
-impl<T> Debug for *mut T {
+impl<T: ?Sized> Debug for *mut T {
     fn fmt(&self, f: &mut Formatter) -> Result { Pointer::fmt(self, f) }
 }