Remove feature(nll) when compare mode is sufficient

Author: matthewjasper

src/test/codegen/enum-debug-niche-2.rs

@@ -13,7 +13,6 @@
 // CHECK: {{.*}}DIDerivedType{{.*}}tag: DW_TAG_member,{{.*}}name: "Error",{{.*}}extraData: i64 0{{[,)].*}}
 
 #![feature(never_type)]
-#![feature(nll)]
 
 #[derive(Copy, Clone)]
 pub struct Entity {

src/test/mir-opt/remove_fake_borrows.rs

@@ -2,8 +2,6 @@
 
 // ignore-wasm32-bare
 
-#![feature(nll)]
-
 fn match_guard(x: Option<&&i32>, c: bool) -> i32 {
     match x {
         Some(0) if c => 0,

src/test/run-fail/issue-51345.rs

@@ -1,7 +1,5 @@
 // error-pattern: thread 'main' panicked at 'explicit panic'
 
-#![feature(nll)]
-
 fn main() {
     let mut vec = vec![];
     vec.push((vec.len(), panic!()));

src/test/run-pass/borrowck/borrowck-multiple-borrows-interior-boxes.rs

@@ -3,8 +3,6 @@
 #![allow(unused_variables)]
 // Test case from #39963.
 
-#![feature(nll)]
-
 #[derive(Clone)]
 struct Foo(Option<Box<Foo>>, Option<Box<Foo>>);
 

src/test/run-pass/borrowck/borrowck-unused-mut-locals.rs

@@ -1,5 +1,4 @@
 // run-pass
-#![feature(nll)]
 #![deny(unused_mut)]
 
 #[derive(Debug)]

src/test/run-pass/borrowck/two-phase-bin-ops.rs

@@ -1,8 +1,4 @@
 // run-pass
-// revisions: lxl nll
-
-#![cfg_attr(nll, feature(nll))]
-
 use std::ops::{AddAssign, SubAssign, MulAssign, DivAssign, RemAssign};
 use std::ops::{BitAndAssign, BitOrAssign, BitXorAssign, ShlAssign, ShrAssign};
 

src/test/run-pass/issues/issue-24535-allow-mutable-borrow-in-match-guard.rs

@@ -5,7 +5,6 @@
 // See further discussion on rust-lang/rust#24535,
 // rust-lang/rfcs#1006, and rust-lang/rfcs#107
 
-#![feature(nll)]
 #![feature(bind_by_move_pattern_guards)]
 
 fn main() {

src/test/run-pass/issues/issue-48962.rs

@@ -1,7 +1,6 @@
 // run-pass
 #![allow(unused_must_use)]
 // Test that we are able to reinitialize box with moved referent
-#![feature(nll)]
 static mut ORDER: [usize; 3] = [0, 0, 0];
 static mut INDEX: usize = 0;
 

src/test/run-pass/issues/issue-51345.rs

@@ -1,6 +1,5 @@
 // run-pass
 #![allow(unreachable_code)]
-#![feature(nll)]
 
 fn main() {
     let mut v = Vec::new();

src/test/run-pass/nll/issue-47153-generic-const.rs

@@ -3,7 +3,6 @@
 // Regression test for #47153: constants in a generic context (such as
 // a trait) used to ICE.
 
-#![feature(nll)]
 #![allow(warnings)]
 
 trait Foo {