fix the relevant tests

Author: TaKO8Ki

src/test/ui/suggestions/slice-issue-87994.stderr

@@ -2,10 +2,7 @@ error[E0277]: the size for values of type `[i32]` cannot be known at compilation
   --> $DIR/slice-issue-87994.rs:3:12
    |
 LL |   for _ in v[1..] {
-   |            ^^^^^^
-   |            |
-   |            expected an implementor of trait `IntoIterator`
-   |            help: consider borrowing here: `&v[1..]`
+   |            ^^^^^^ expected an implementor of trait `IntoIterator`
    |
    = note: the trait bound `[i32]: IntoIterator` is not satisfied
    = note: required because of the requirements on the impl of `IntoIterator` for `[i32]`
@@ -14,15 +11,18 @@ note: required by `into_iter`
    |
 LL |     fn into_iter(self) -> Self::IntoIter;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+help: consider borrowing here
+   |
+LL |   for _ in &v[1..] {
+   |            ~~~~~~~
+LL |   for _ in &mut v[1..] {
+   |            ~~~~~~~~~~~
 
 error[E0277]: `[i32]` is not an iterator
   --> $DIR/slice-issue-87994.rs:3:12
    |
 LL |   for _ in v[1..] {
-   |            ^^^^^^
-   |            |
-   |            expected an implementor of trait `IntoIterator`
-   |            help: consider borrowing here: `&v[1..]`
+   |            ^^^^^^ expected an implementor of trait `IntoIterator`
    |
    = note: the trait bound `[i32]: IntoIterator` is not satisfied
    = note: required because of the requirements on the impl of `IntoIterator` for `[i32]`
@@ -31,15 +31,18 @@ note: required by `into_iter`
    |
 LL |     fn into_iter(self) -> Self::IntoIter;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+help: consider borrowing here
+   |
+LL |   for _ in &v[1..] {
+   |            ~~~~~~~
+LL |   for _ in &mut v[1..] {
+   |            ~~~~~~~~~~~
 
 error[E0277]: the size for values of type `[K]` cannot be known at compilation time
   --> $DIR/slice-issue-87994.rs:11:13
    |
 LL |   for i2 in v2[1..] {
-   |             ^^^^^^^
-   |             |
-   |             expected an implementor of trait `IntoIterator`
-   |             help: consider borrowing here: `&v2[1..]`
+   |             ^^^^^^^ expected an implementor of trait `IntoIterator`
    |
    = note: the trait bound `[K]: IntoIterator` is not satisfied
    = note: required because of the requirements on the impl of `IntoIterator` for `[K]`
@@ -48,15 +51,18 @@ note: required by `into_iter`
    |
 LL |     fn into_iter(self) -> Self::IntoIter;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+help: consider borrowing here
+   |
+LL |   for i2 in &v2[1..] {
+   |             ~~~~~~~~
+LL |   for i2 in &mut v2[1..] {
+   |             ~~~~~~~~~~~~
 
 error[E0277]: `[K]` is not an iterator
   --> $DIR/slice-issue-87994.rs:11:13
    |
 LL |   for i2 in v2[1..] {
-   |             ^^^^^^^
-   |             |
-   |             expected an implementor of trait `IntoIterator`
-   |             help: consider borrowing here: `&v2[1..]`
+   |             ^^^^^^^ expected an implementor of trait `IntoIterator`
    |
    = note: the trait bound `[K]: IntoIterator` is not satisfied
    = note: required because of the requirements on the impl of `IntoIterator` for `[K]`
@@ -65,6 +71,12 @@ note: required by `into_iter`
    |
 LL |     fn into_iter(self) -> Self::IntoIter;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+help: consider borrowing here
+   |
+LL |   for i2 in &v2[1..] {
+   |             ~~~~~~~~
+LL |   for i2 in &mut v2[1..] {
+   |             ~~~~~~~~~~~~
 
 error: aborting due to 4 previous errors
 

src/test/ui/traits/negative-impls/negated-auto-traits-error.stderr

@@ -102,10 +102,8 @@ error[E0277]: `main::TestType` cannot be sent between threads safely
   --> $DIR/negated-auto-traits-error.rs:66:13
    |
 LL |     is_sync(Outer2(TestType));
-   |     ------- ^^^^^^^^^^^^^^^^
-   |     |       |
-   |     |       expected an implementor of trait `Sync`
-   |     |       help: consider borrowing here: `&Outer2(TestType)`
+   |     ------- ^^^^^^^^^^^^^^^^ expected an implementor of trait `Sync`
+   |     |
    |     required by a bound introduced by this call
    |
    = note: the trait bound `main::TestType: Sync` is not satisfied
@@ -119,6 +117,12 @@ note: required by a bound in `is_sync`
    |
 LL | fn is_sync<T: Sync>(_: T) {}
    |               ^^^^ required by this bound in `is_sync`
+help: consider borrowing here
+   |
+LL |     is_sync(&Outer2(TestType));
+   |             ~~~~~~~~~~~~~~~~~
+LL |     is_sync(&mut Outer2(TestType));
+   |             ~~~~~~~~~~~~~~~~~~~~~
 
 error: aborting due to 7 previous errors