chore: Fix typos in 'compiler' (batch 1)

compiler/rustc_error_codes/src/error_codes/E0582.md

@@ -44,7 +44,7 @@ where
 ```
 The latter scenario encounters this error because `Foo::Assoc<'a>` could be
 implemented by a type that does not use the `'a` parameter, so there is no
-guarentee that `X::Assoc<'a>` actually uses `'a`.
+guarantee that `X::Assoc<'a>` actually uses `'a`.
 
 To fix this we can pass a dummy parameter:
 ```