Rollup merge of rust-lang#27988 - nagisa:diags-e0139, r=brson

Fixes rust-lang#27946
steveklabnik · Aug 25, 2015 · c4847a1 · c4847a1
2 parents d9de182 + 067ad99
commit c4847a1
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/src/librustc/diagnostics.rs b/src/librustc/diagnostics.rs
@@ -836,9 +836,7 @@ is a size mismatch in one of the impls.
 It is also possible to manually transmute:
 
 ```
-let result: SomeType = mem::uninitialized();
-unsafe { copy_nonoverlapping(&v, &result) };
-result // `v` transmuted to type `SomeType`
+ptr::read(&v as *const _ as *const SomeType) // `v` transmuted to `SomeType`
 ```
 "##,