Remove 'feature(nll)' from bind_by_move_pattern_guards tests.

Author: Centril

src/librustc_mir/error_codes.rs

@@ -1989,7 +1989,7 @@ When matching on a variable it cannot be mutated in the match guards, as this
 could cause the match to be non-exhaustive:
 
 ```compile_fail,E0510
-#![feature(nll, bind_by_move_pattern_guards)]
+#![feature(bind_by_move_pattern_guards)]
 let mut x = Some(0);
 match x {
     None => (),

src/test/ui/issues/issue-27282-reborrow-ref-mut-in-guard.rs

@@ -5,9 +5,7 @@
 // reject it. But I want to make sure that we continue to reject it
 // (under NLL) even when that conservaive check goes away.
 
-
 #![feature(bind_by_move_pattern_guards)]
-#![feature(nll)]
 
 fn main() {
     let mut b = &mut true;

src/test/ui/issues/issue-27282-reborrow-ref-mut-in-guard.stderr

@@ -1,5 +1,5 @@
 error[E0596]: cannot borrow `r` as mutable, as it is immutable for the pattern guard
-  --> $DIR/issue-27282-reborrow-ref-mut-in-guard.rs:16:25
+  --> $DIR/issue-27282-reborrow-ref-mut-in-guard.rs:14:25
    |
 LL |         ref mut r if { (|| { let bar = &mut *r; **bar = false; })();
    |                         ^^                   - mutable borrow occurs due to use of `r` in closure

src/test/ui/match/match-ref-mut-stability.rs

@@ -3,7 +3,7 @@
 
 // run-pass
 
-#![feature(nll, bind_by_move_pattern_guards)]
+#![feature(bind_by_move_pattern_guards)]
 
 // Test that z always point to the same temporary.
 fn referent_stability() {

src/test/ui/nll/match-cfg-fake-edges.rs

@@ -1,7 +1,7 @@
 // Test that we have enough false edges to avoid exposing the exact matching
 // algorithm in borrow checking.
 
-#![feature(nll, bind_by_move_pattern_guards)]
+#![feature(bind_by_move_pattern_guards)]
 
 fn guard_always_precedes_arm(y: i32) {
     let mut x;
@@ -41,18 +41,4 @@ fn guard_may_be_taken(y: bool) {
     };
 }
 
-fn all_previous_tests_may_be_done(y: &mut (bool, bool)) {
-    let r = &mut y.1;
-    // We don't actually test y.1 to select the second arm, but we don't want
-    // borrowck results to be based on the order we match patterns.
-    match y {
-        (false, true) => 1, //~ ERROR cannot use `y.1` because it was mutably borrowed
-        (true, _) => {
-            r;
-            2
-        }
-        (false, _) => 3,
-    };
-}
-
 fn main() {}

src/test/ui/nll/match-cfg-fake-edges.stderr

@@ -16,19 +16,7 @@ LL |         true => {
 LL |             x;
    |             ^ value used here after move
 
-error[E0503]: cannot use `y.1` because it was mutably borrowed
-  --> $DIR/match-cfg-fake-edges.rs:49:17
-   |
-LL |     let r = &mut y.1;
-   |             -------- borrow of `y.1` occurs here
-...
-LL |         (false, true) => 1,
-   |                 ^^^^ use of borrowed `y.1`
-LL |         (true, _) => {
-LL |             r;
-   |             - borrow later used here
-
-error: aborting due to 3 previous errors
+error: aborting due to 2 previous errors
 
-Some errors have detailed explanations: E0381, E0382, E0503.
+Some errors have detailed explanations: E0381, E0382.
 For more information about an error, try `rustc --explain E0381`.

src/test/ui/nll/match-cfg-fake-edges2.rs

@@ -0,0 +1,20 @@
+// Test that we have enough false edges to avoid exposing the exact matching
+// algorithm in borrow checking.
+
+#![feature(nll)]
+
+fn all_previous_tests_may_be_done(y: &mut (bool, bool)) {
+    let r = &mut y.1;
+    // We don't actually test y.1 to select the second arm, but we don't want
+    // borrowck results to be based on the order we match patterns.
+    match y {
+        (false, true) => 1, //~ ERROR cannot use `y.1` because it was mutably borrowed
+        (true, _) => {
+            r;
+            2
+        }
+        (false, _) => 3,
+    };
+}
+
+fn main() {}

src/test/ui/nll/match-cfg-fake-edges2.stderr

@@ -0,0 +1,15 @@
+error[E0503]: cannot use `y.1` because it was mutably borrowed
+  --> $DIR/match-cfg-fake-edges2.rs:11:17
+   |
+LL |     let r = &mut y.1;
+   |             -------- borrow of `y.1` occurs here
+...
+LL |         (false, true) => 1,
+   |                 ^^^^ use of borrowed `y.1`
+LL |         (true, _) => {
+LL |             r;
+   |             - borrow later used here
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0503`.

src/test/ui/nll/match-guards-partially-borrow.rs

@@ -5,9 +5,7 @@
 // Test that we don't allow mutating the value being matched on in a way that
 // changes which patterns it matches, until we have chosen an arm.
 
-
 #![feature(bind_by_move_pattern_guards)]
-#![feature(nll)]
 
 fn ok_mutation_in_guard(mut q: i32) {
     match q {

src/test/ui/nll/match-guards-partially-borrow.stderr

@@ -1,5 +1,5 @@
 error[E0510]: cannot assign `q` in match guard
-  --> $DIR/match-guards-partially-borrow.rs:59:13
+  --> $DIR/match-guards-partially-borrow.rs:57:13
    |
 LL |     match q {
    |           - value is immutable in match guard
@@ -8,7 +8,7 @@ LL |             q = true;
    |             ^^^^^^^^ cannot assign
 
 error[E0510]: cannot assign `r` in match guard
-  --> $DIR/match-guards-partially-borrow.rs:71:13
+  --> $DIR/match-guards-partially-borrow.rs:69:13
    |
 LL |     match r {
    |           - value is immutable in match guard
@@ -17,7 +17,7 @@ LL |             r = true;
    |             ^^^^^^^^ cannot assign
 
 error[E0510]: cannot assign `t` in match guard
-  --> $DIR/match-guards-partially-borrow.rs:95:13
+  --> $DIR/match-guards-partially-borrow.rs:93:13
    |
 LL |     match t {
    |           - value is immutable in match guard
@@ -26,7 +26,7 @@ LL |             t = true;
    |             ^^^^^^^^ cannot assign
 
 error[E0510]: cannot mutably borrow `x.0` in match guard
-  --> $DIR/match-guards-partially-borrow.rs:109:22
+  --> $DIR/match-guards-partially-borrow.rs:107:22
    |
 LL |     match x {
    |           - value is immutable in match guard
@@ -35,7 +35,7 @@ LL |                 Some(ref mut r) => *r = None,
    |                      ^^^^^^^^^ cannot mutably borrow
 
 error[E0506]: cannot assign to `t` because it is borrowed
-  --> $DIR/match-guards-partially-borrow.rs:121:13
+  --> $DIR/match-guards-partially-borrow.rs:119:13
    |
 LL |         s if {
    |         - borrow of `t` occurs here
@@ -46,7 +46,7 @@ LL |         } => (), // What value should `s` have in the arm?
    |         - borrow later used here
 
 error[E0510]: cannot assign `y` in match guard
-  --> $DIR/match-guards-partially-borrow.rs:132:13
+  --> $DIR/match-guards-partially-borrow.rs:130:13
    |
 LL |     match *y {
    |           -- value is immutable in match guard
@@ -55,7 +55,7 @@ LL |             y = &true;
    |             ^^^^^^^^^ cannot assign
 
 error[E0510]: cannot assign `z` in match guard
-  --> $DIR/match-guards-partially-borrow.rs:143:13
+  --> $DIR/match-guards-partially-borrow.rs:141:13
    |
 LL |     match z {
    |           - value is immutable in match guard
@@ -64,7 +64,7 @@ LL |             z = &true;
    |             ^^^^^^^^^ cannot assign
 
 error[E0510]: cannot assign `a` in match guard
-  --> $DIR/match-guards-partially-borrow.rs:155:13
+  --> $DIR/match-guards-partially-borrow.rs:153:13
    |
 LL |     match a {
    |           - value is immutable in match guard
@@ -73,7 +73,7 @@ LL |             a = &true;
    |             ^^^^^^^^^ cannot assign
 
 error[E0510]: cannot assign `b` in match guard
-  --> $DIR/match-guards-partially-borrow.rs:166:13
+  --> $DIR/match-guards-partially-borrow.rs:164:13
    |
 LL |     match b {
    |           - value is immutable in match guard

src/test/ui/rfc-0107-bind-by-move-pattern-guards/bind-by-move-no-guards.rs

@@ -2,7 +2,7 @@
 // rust-lang/rust#2329), that starts passing with this feature in
 // place.
 
-// build-pass (FIXME(62277): could be check-pass?)
+// run-pass
 
 #![feature(bind_by_move_pattern_guards)]
 
@@ -12,6 +12,7 @@ fn main() {
     let (tx, rx) = channel();
     let x = Some(rx);
     tx.send(false);
+    tx.send(false);
     match x {
         Some(z) if z.recv().unwrap() => { panic!() },
         Some(z) => { assert!(!z.recv().unwrap()); },

src/test/ui/rfc-0107-bind-by-move-pattern-guards/feature-gate.gate_and_2015.stderr

@@ -1,5 +1,5 @@
 error: compilation successful
-  --> $DIR/feature-gate.rs:41:1
+  --> $DIR/feature-gate.rs:36:1
    |
 LL | / fn main() {
 LL | |     foo(107)

src/test/ui/rfc-0107-bind-by-move-pattern-guards/feature-gate.gate_and_2018.stderr

@@ -1,5 +1,5 @@
 error: compilation successful
-  --> $DIR/feature-gate.rs:41:1
+  --> $DIR/feature-gate.rs:36:1
    |
 LL | / fn main() {
 LL | |     foo(107)

src/test/ui/rfc-0107-bind-by-move-pattern-guards/feature-gate.no_gate.stderr

@@ -1,5 +1,5 @@
 error[E0008]: cannot bind by-move into a pattern guard
-  --> $DIR/feature-gate.rs:33:16
+  --> $DIR/feature-gate.rs:28:16
    |
 LL |         A { a: v } if *v == 42 => v,
    |                ^ moves value into pattern guard

src/test/ui/rfc-0107-bind-by-move-pattern-guards/feature-gate.rs

@@ -6,7 +6,7 @@
 
 // gate-test-bind_by_move_pattern_guards
 
-// revisions: no_gate gate_and_2015 gate_and_2018 gate_and_znll gate_and_feature_nll
+// revisions: no_gate gate_and_2015 gate_and_2018
 
 // (We're already testing NLL behavior quite explicitly, no need for compare-mode=nll.)
 // ignore-compare-mode-nll
@@ -15,14 +15,9 @@
 
 #![cfg_attr(gate_and_2015, feature(bind_by_move_pattern_guards))]
 #![cfg_attr(gate_and_2018, feature(bind_by_move_pattern_guards))]
-#![cfg_attr(gate_and_znll, feature(bind_by_move_pattern_guards))]
-#![cfg_attr(gate_and_feature_nll, feature(bind_by_move_pattern_guards))]
-
-#![cfg_attr(gate_and_feature_nll, feature(nll))]
 
 //[gate_and_2015] edition:2015
 //[gate_and_2018] edition:2018
-//[gate_and_znll] compile-flags: -Z borrowck=mir
 
 struct A { a: Box<i32> }
 
@@ -43,5 +38,3 @@ fn main() {
 }
 //[gate_and_2015]~^^^ ERROR compilation successful
 //[gate_and_2018]~^^^^ ERROR compilation successful
-//[gate_and_znll]~^^^^^ ERROR compilation successful
-//[gate_and_feature_nll]~^^^^^^ ERROR compilation successful

src/test/ui/rfc-0107-bind-by-move-pattern-guards/rfc-basic-examples.rs

@@ -1,39 +1,45 @@
 #![feature(bind_by_move_pattern_guards)]
 
-// build-pass (FIXME(62277): could be check-pass?)
+// run-pass
 
 struct A { a: Box<i32> }
 
 impl A {
     fn get(&self) -> i32 { *self.a }
 }
 
-fn foo(n: i32) {
+fn foo(n: i32) -> i32 {
     let x = A { a: Box::new(n) };
     let y = match x {
         A { a: v } if *v == 42 => v,
         _ => Box::new(0),
     };
+    *y
 }
 
-fn bar(n: i32) {
+fn bar(n: i32) -> i32 {
     let x = A { a: Box::new(n) };
     let y = match x {
         A { a: v } if x.get() == 42 => v,
         _ => Box::new(0),
     };
+    *y
 }
 
-fn baz(n: i32) {
+fn baz(n: i32) -> i32 {
     let x = A { a: Box::new(n) };
     let y = match x {
         A { a: v } if *v.clone() == 42 => v,
         _ => Box::new(0),
     };
+    *y
 }
 
 fn main() {
-    foo(107);
-    bar(107);
-    baz(107);
+    assert_eq!(foo(107), 0);
+    assert_eq!(foo(42), 42);
+    assert_eq!(bar(107), 0);
+    assert_eq!(bar(42), 42);
+    assert_eq!(baz(107), 0);
+    assert_eq!(baz(42), 42);
 }

src/test/ui/rfc-0107-bind-by-move-pattern-guards/rfc-reject-double-move-across-arms.rs

@@ -1,4 +1,3 @@
-#![feature(nll)]
 #![feature(bind_by_move_pattern_guards)]
 
 enum VecWrapper { A(Vec<i32>) }

src/test/ui/rfc-0107-bind-by-move-pattern-guards/rfc-reject-double-move-across-arms.stderr

@@ -1,5 +1,5 @@
 error[E0507]: cannot move out of `v` in pattern guard
-  --> $DIR/rfc-reject-double-move-across-arms.rs:8:36
+  --> $DIR/rfc-reject-double-move-across-arms.rs:7:36
    |
 LL |         VecWrapper::A(v) if { drop(v); false } => 1,
    |                                    ^ move occurs because `v` has type `std::vec::Vec<i32>`, which does not implement the `Copy` trait

src/test/ui/rfc-0107-bind-by-move-pattern-guards/rfc-reject-double-move-in-first-arm.rs

@@ -1,4 +1,3 @@
-#![feature(nll)]
 #![feature(bind_by_move_pattern_guards)]
 
 struct A { a: Box<i32> }

src/test/ui/rfc-0107-bind-by-move-pattern-guards/rfc-reject-double-move-in-first-arm.stderr

@@ -1,5 +1,5 @@
 error[E0507]: cannot move out of `v` in pattern guard
-  --> $DIR/rfc-reject-double-move-in-first-arm.rs:9:30
+  --> $DIR/rfc-reject-double-move-in-first-arm.rs:8:30
    |
 LL |         A { a: v } if { drop(v); true } => v,
    |                              ^ move occurs because `v` has type `std::boxed::Box<i32>`, which does not implement the `Copy` trait