5 files changed, 24 insertions, 24 deletions
diff --git a/src/librustc_parse/parser/diagnostics.rs b/src/librustc_parse/parser/diagnostics.rs
index ba125cacab4..1f4a1dda170 100644
--- a/src/librustc_parse/parser/diagnostics.rs
+++ b/src/librustc_parse/parser/diagnostics.rs
@@ -23,7 +23,7 @@ const TURBOFISH: &'static str = "use `::<...>` instead of `<...>` to specify typ
 pub(super) fn dummy_arg(ident: Ident) -> Param {
     let pat = P(Pat {
         id: ast::DUMMY_NODE_ID,
-        kind: PatKind::Ident(BindingMode::ByValue(Mutability::Immutable), ident, None),
+        kind: PatKind::Ident(BindingMode::ByValue(Mutability::Not), ident, None),
         span: ident.span,
     });
     let ty = Ty {
diff --git a/src/librustc_parse/parser/item.rs b/src/librustc_parse/parser/item.rs
index 0840a1551db..544760a4e10 100644
--- a/src/librustc_parse/parser/item.rs
+++ b/src/librustc_parse/parser/item.rs
@@ -1240,8 +1240,8 @@ impl<'a> Parser<'a> {
         // Construct the error and stash it away with the hope
         // that typeck will later enrich the error with a type.
         let kind = match m {
-            Some(Mutability::Mutable) => "static mut",
-            Some(Mutability::Immutable) => "static",
+            Some(Mutability::Mut) => "static mut",
+            Some(Mutability::Not) => "static",
             None => "const",
         };
         let mut err = self.struct_span_err(id.span, &format!("missing type for `{}` item", kind));
@@ -1961,7 +1961,7 @@ impl<'a> Parser<'a> {
             match ty {
                 Ok(ty) => {
                     let ident = Ident::new(kw::Invalid, self.prev_span);
-                    let bm = BindingMode::ByValue(Mutability::Immutable);
+                    let bm = BindingMode::ByValue(Mutability::Not);
                     let pat = self.mk_pat_ident(ty.span, bm, ident);
                     (pat, ty)
                 }
@@ -2033,7 +2033,7 @@ impl<'a> Parser<'a> {
                 .span_label(span, msg)
                 .emit();
 
-            Ok((SelfKind::Value(Mutability::Immutable), expect_self_ident(this), this.prev_span))
+            Ok((SelfKind::Value(Mutability::Not), expect_self_ident(this), this.prev_span))
         };
 
         // Parse optional `self` parameter of a method.
@@ -2045,23 +2045,23 @@ impl<'a> Parser<'a> {
                 let eself = if is_isolated_self(self, 1) {
                     // `&self`
                     self.bump();
-                    SelfKind::Region(None, Mutability::Immutable)
+                    SelfKind::Region(None, Mutability::Not)
                 } else if is_isolated_mut_self(self, 1) {
                     // `&mut self`
                     self.bump();
                     self.bump();
-                    SelfKind::Region(None, Mutability::Mutable)
+                    SelfKind::Region(None, Mutability::Mut)
                 } else if self.look_ahead(1, |t| t.is_lifetime()) && is_isolated_self(self, 2) {
                     // `&'lt self`
                     self.bump();
                     let lt = self.expect_lifetime();
-                    SelfKind::Region(Some(lt), Mutability::Immutable)
+                    SelfKind::Region(Some(lt), Mutability::Not)
                 } else if self.look_ahead(1, |t| t.is_lifetime()) && is_isolated_mut_self(self, 2) {
                     // `&'lt mut self`
                     self.bump();
                     let lt = self.expect_lifetime();
                     self.bump();
-                    SelfKind::Region(Some(lt), Mutability::Mutable)
+                    SelfKind::Region(Some(lt), Mutability::Mut)
                 } else {
                     // `&not_self`
                     return Ok(None);
@@ -2084,12 +2084,12 @@ impl<'a> Parser<'a> {
             }
             // `self` and `self: TYPE`
             token::Ident(..) if is_isolated_self(self, 0) => {
-                parse_self_possibly_typed(self, Mutability::Immutable)?
+                parse_self_possibly_typed(self, Mutability::Not)?
             }
             // `mut self` and `mut self: TYPE`
             token::Ident(..) if is_isolated_mut_self(self, 0) => {
                 self.bump();
-                parse_self_possibly_typed(self, Mutability::Mutable)?
+                parse_self_possibly_typed(self, Mutability::Mut)?
             }
             _ => return Ok(None),
         };
diff --git a/src/librustc_parse/parser/mod.rs b/src/librustc_parse/parser/mod.rs
index 07e99cfe012..c584f378b87 100644
--- a/src/librustc_parse/parser/mod.rs
+++ b/src/librustc_parse/parser/mod.rs
@@ -979,18 +979,18 @@ impl<'a> Parser<'a> {
     /// Parses mutability (`mut` or nothing).
     fn parse_mutability(&mut self) -> Mutability {
         if self.eat_keyword(kw::Mut) {
-            Mutability::Mutable
+            Mutability::Mut
         } else {
-            Mutability::Immutable
+            Mutability::Not
         }
     }
 
     /// Possibly parses mutability (`const` or `mut`).
     fn parse_const_or_mut(&mut self) -> Option<Mutability> {
         if self.eat_keyword(kw::Mut) {
-            Some(Mutability::Mutable)
+            Some(Mutability::Mut)
         } else if self.eat_keyword(kw::Const) {
-            Some(Mutability::Immutable)
+            Some(Mutability::Not)
         } else {
             None
         }
diff --git a/src/librustc_parse/parser/pat.rs b/src/librustc_parse/parser/pat.rs
index 117b92dc9a5..21fa8b54396 100644
--- a/src/librustc_parse/parser/pat.rs
+++ b/src/librustc_parse/parser/pat.rs
@@ -326,7 +326,7 @@ impl<'a> Parser<'a> {
                 // Parse `ident @ pat`
                 // This can give false positives and parse nullary enums,
                 // they are dealt with later in resolve.
-                self.parse_pat_ident(BindingMode::ByValue(Mutability::Immutable))?
+                self.parse_pat_ident(BindingMode::ByValue(Mutability::Not))?
             } else if self.is_start_of_pat_with_path() {
                 // Parse pattern starting with a path
                 let (qself, path) = if self.eat_lt() {
@@ -540,7 +540,7 @@ impl<'a> Parser<'a> {
             )
             .emit();
 
-        self.parse_pat_ident(BindingMode::ByRef(Mutability::Mutable))
+        self.parse_pat_ident(BindingMode::ByRef(Mutability::Mut))
     }
 
     /// Turn all by-value immutable bindings in a pattern into mutable bindings.
@@ -553,10 +553,10 @@ impl<'a> Parser<'a> {
             }
 
             fn visit_pat(&mut self, pat: &mut P<Pat>) {
-                if let PatKind::Ident(BindingMode::ByValue(ref mut m @ Mutability::Immutable), ..)
+                if let PatKind::Ident(BindingMode::ByValue(ref mut m @ Mutability::Not), ..)
                     = pat.kind
                 {
-                    *m = Mutability::Mutable;
+                    *m = Mutability::Mut;
                     self.0 = true;
                 }
                 noop_visit_pat(pat, self);
@@ -987,10 +987,10 @@ impl<'a> Parser<'a> {
             hi = self.prev_span;
 
             let bind_type = match (is_ref, is_mut) {
-                (true, true) => BindingMode::ByRef(Mutability::Mutable),
-                (true, false) => BindingMode::ByRef(Mutability::Immutable),
-                (false, true) => BindingMode::ByValue(Mutability::Mutable),
-                (false, false) => BindingMode::ByValue(Mutability::Immutable),
+                (true, true) => BindingMode::ByRef(Mutability::Mut),
+                (true, false) => BindingMode::ByRef(Mutability::Not),
+                (false, true) => BindingMode::ByValue(Mutability::Mut),
+                (false, false) => BindingMode::ByValue(Mutability::Not),
             };
 
             let fieldpat = self.mk_pat_ident(boxed_span.to(hi), bind_type, fieldname);
diff --git a/src/librustc_parse/parser/ty.rs b/src/librustc_parse/parser/ty.rs
index 6f7ab0542d5..86692610324 100644
--- a/src/librustc_parse/parser/ty.rs
+++ b/src/librustc_parse/parser/ty.rs
@@ -261,7 +261,7 @@ impl<'a> Parser<'a> {
                 .span_label(span, msg)
                 .help("use `*mut T` or `*const T` as appropriate")
                 .emit();
-            Mutability::Immutable
+            Mutability::Not
         });
         let t = self.parse_ty_no_plus()?;
         Ok(MutTy { ty: t, mutbl })