std: Rename {Eq,Ord} to Partial{Eq,Ord}

This is part of the ongoing renaming of the equality traits. See #12517 for more
details. All code using Eq/Ord will temporarily need to move to Partial{Eq,Ord}
or the Total{Eq,Ord} traits. The Total traits will soon be renamed to {Eq,Ord}.

cc #12517

[breaking-change]

src/libsyntax/parse/parser.rs

@@ -82,7 +82,7 @@ use std::rc::Rc;
 use std::string::String;
 
 #[allow(non_camel_case_types)]
-#[deriving(Eq)]
+#[deriving(PartialEq)]
 pub enum restriction {
     UNRESTRICTED,
     RESTRICT_STMT_EXPR,
@@ -94,7 +94,7 @@ type ItemInfo = (Ident, Item_, Option<Vec<Attribute> >);
 
 /// How to parse a path. There are four different kinds of paths, all of which
 /// are parsed somewhat differently.
-#[deriving(Eq)]
+#[deriving(PartialEq)]
 pub enum PathParsingMode {
     /// A path with no type parameters; e.g. `foo::bar::Baz`
     NoTypesAllowed,