removed uses of feature gate

src/test/ui/pattern/bindings-after-at/bind-by-copy.rs

@@ -2,8 +2,6 @@
 
 // Test copy
 
-#![feature(bindings_after_at)]
-
 struct A { a: i32, b: i32 }
 struct B { a: i32, b: C }
 struct D { a: i32, d: C }

src/test/ui/pattern/bindings-after-at/bind-by-move-neither-can-live-while-the-other-survives-1.rs

@@ -2,8 +2,6 @@
 // It checks that you cannot use an AND-pattern (`binding @ pat`)
 // where one side is by-ref and the other is by-move.
 
-#![feature(bindings_after_at)]
-
 struct X {
     x: (),
 }

src/test/ui/pattern/bindings-after-at/bind-by-move-no-subbindings-fun-param.rs

@@ -1,7 +1,5 @@
 // See issue #12534.
 
-#![feature(bindings_after_at)]
-
 fn main() {}
 
 struct A(Box<u8>);

src/test/ui/pattern/bindings-after-at/borrowck-move-and-move.rs

@@ -1,7 +1,5 @@
 // Test that moving on both sides of an `@` pattern is not allowed.
 
-#![feature(bindings_after_at)]
-
 fn main() {
     struct U; // Not copy!
 

src/test/ui/pattern/bindings-after-at/borrowck-pat-at-and-box-pass.rs

@@ -2,7 +2,6 @@
 
 // Test `@` patterns combined with `box` patterns.
 
-#![feature(bindings_after_at)]
 #![feature(box_patterns)]
 
 #[derive(Copy, Clone)]

src/test/ui/pattern/bindings-after-at/borrowck-pat-at-and-box.rs

@@ -1,6 +1,5 @@
 // Test `@` patterns combined with `box` patterns.
 
-#![feature(bindings_after_at)]
 #![feature(box_patterns)]
 
 #[derive(Copy, Clone)]

src/test/ui/pattern/bindings-after-at/borrowck-pat-by-copy-bindings-in-at.rs

@@ -2,8 +2,6 @@
 
 // Test `Copy` bindings in the rhs of `@` patterns.
 
-#![feature(bindings_after_at)]
-
 #[derive(Copy, Clone)]
 struct C;
 

src/test/ui/pattern/bindings-after-at/borrowck-pat-by-move-and-ref-inverse-promotion.rs

@@ -1,8 +1,6 @@
 // Test that `by_move_binding @ pat_with_by_ref_bindings` is prevented even with promotion.
 // Currently this logic exists in THIR match checking as opposed to borrowck.
 
-#![feature(bindings_after_at)]
-
 fn main() {
     struct U;
     let a @ ref b = U; //~ ERROR borrow of moved value

src/test/ui/pattern/bindings-after-at/borrowck-pat-by-move-and-ref-inverse.rs

@@ -1,7 +1,5 @@
 // Test that `by_move_binding @ pat_with_by_ref_bindings` is prevented.
 
-#![feature(bindings_after_at)]
-
 fn main() {
     struct U;
 

src/test/ui/pattern/bindings-after-at/borrowck-pat-by-move-and-ref.rs

@@ -1,7 +1,5 @@
 // Test that `ref mut? @ pat_with_by_move_bindings` is prevented.
 
-#![feature(bindings_after_at)]
-
 fn main() {
     struct U;
 

src/test/ui/pattern/bindings-after-at/borrowck-pat-ref-both-sides.rs

@@ -3,8 +3,6 @@
 // Test that `ref` patterns may be used on both sides
 // of an `@` pattern according to NLL borrowck.
 
-#![feature(bindings_after_at)]
-
 fn main() {
     struct U; // Not copy!
 

src/test/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-and-ref.rs

@@ -1,5 +1,3 @@
-#![feature(bindings_after_at)]
-
 enum Option<T> {
     None,
     Some(T),

src/test/ui/pattern/bindings-after-at/borrowck-pat-ref-mut-twice.rs

@@ -1,7 +1,5 @@
 // Test that `ref mut x @ ref mut y` and varieties of that are not allowed.
 
-#![feature(bindings_after_at)]
-
 fn main() {
     struct U;
 

src/test/ui/pattern/bindings-after-at/box-patterns.rs

@@ -2,7 +2,6 @@
 
 // run-pass
 
-#![feature(bindings_after_at)]
 #![feature(box_patterns)]
 
 #[derive(Debug, PartialEq)]

src/test/ui/pattern/bindings-after-at/copy-and-move-mixed.rs

@@ -1,7 +1,5 @@
 // Test that mixing `Copy` and non-`Copy` types in `@` patterns is forbidden.
 
-#![feature(bindings_after_at)]
-
 #[derive(Copy, Clone)]
 struct C;
 

src/test/ui/pattern/bindings-after-at/default-binding-modes-both-sides-independent.rs

@@ -7,7 +7,6 @@
 // If `binding` is allowed to influence `subpat`,
 // this would create problems for the generalization aforementioned.
 
-#![feature(bindings_after_at)]
 
 fn main() {
     struct NotCopy;

src/test/ui/pattern/bindings-after-at/nested-binding-mode-lint.rs

@@ -1,6 +1,5 @@
 // check-pass
 
-#![feature(bindings_after_at)]
 #![deny(unused_mut)]
 
 fn main() {

src/test/ui/pattern/bindings-after-at/nested-binding-modes-mut.rs

@@ -1,5 +1,3 @@
-#![feature(bindings_after_at)]
-
 fn main() {
     let mut is_mut @ not_mut = 42;
     &mut is_mut;

src/test/ui/pattern/bindings-after-at/nested-binding-modes-ref.rs

@@ -1,5 +1,3 @@
-#![feature(bindings_after_at)]
-
 fn main() {
     let ref is_ref @ is_val = 42;
     *is_ref;

src/test/ui/pattern/bindings-after-at/nested-patterns.rs

@@ -1,6 +1,5 @@
 // run-pass
 
-#![feature(bindings_after_at)]
 
 struct A { a: u8, b: u8 }
 

src/test/ui/pattern/bindings-after-at/nested-type-ascription-syntactically-invalid.rs

@@ -1,7 +1,6 @@
 // Here we check that type ascription is syntactically invalid when
 // not in the top position of a ascribing a let binding or function parameter.
 
-#![feature(bindings_after_at)]
 
 // This has no effect.
 // We include it to demonstrate that this is the case:

src/test/ui/pattern/bindings-after-at/or-patterns-box-patterns.rs

@@ -2,7 +2,6 @@
 
 // run-pass
 
-#![feature(bindings_after_at)]
 #![feature(box_patterns)]
 
 #[derive(Debug, PartialEq)]

src/test/ui/pattern/bindings-after-at/or-patterns-slice-patterns.rs

@@ -2,7 +2,6 @@
 
 // run-pass
 
-#![feature(bindings_after_at)]
 
 #[derive(Debug, PartialEq)]
 enum MatchArm {

src/test/ui/pattern/bindings-after-at/or-patterns.rs

@@ -2,7 +2,6 @@
 
 // run-pass
 
-#![feature(bindings_after_at)]
 
 #[derive(Debug, PartialEq)]
 enum MatchArm {

src/test/ui/pattern/bindings-after-at/pat-at-same-name-both.rs

@@ -1,7 +1,6 @@
 // Test that `binding @ subpat` acts as a product context with respect to duplicate binding names.
 // The code that is tested here lives in resolve (see `resolve_pattern_inner`).
 
-#![feature(bindings_after_at)]
 
 fn main() {
     fn f(a @ a @ a: ()) {}

src/test/ui/pattern/bindings-after-at/slice-patterns.rs

@@ -2,7 +2,6 @@
 
 // run-pass
 
-#![feature(bindings_after_at)]
 
 #[derive(Debug, PartialEq)]
 enum MatchArm {