--bless tests due to new subslice syntax.

src/test/ui/parser/match-vec-invalid.rs

@@ -1,7 +1,12 @@
 fn main() {
     let a = Vec::new();
     match a {
-        [1, tail @ .., tail @ ..] => {}, //~ ERROR: expected one of `,` or `@`, found `..`
+        [1, tail @ .., tail @ ..] => {},
+        //~^ ERROR identifier `tail` is bound more than once in the same pattern
+        //~| ERROR subslice patterns are unstable
+        //~| ERROR subslice patterns are unstable
+        //~| ERROR `..` can only be used once per slice pattern
+        //~| ERROR expected an array or slice, found `std::vec::Vec<_>`
         _ => ()
     }
 }

src/test/ui/parser/match-vec-invalid.stderr

@@ -1,8 +1,42 @@
-error: expected one of `,` or `@`, found `..`
-  --> $DIR/match-vec-invalid.rs:4:25
+error[E0416]: identifier `tail` is bound more than once in the same pattern
+  --> $DIR/match-vec-invalid.rs:4:24
    |
-LL |         [1, tail.., tail..] => {},
-   |                         ^^ expected one of `,` or `@` here
+LL |         [1, tail @ .., tail @ ..] => {},
+   |                        ^^^^ used in a pattern more than once
 
-error: aborting due to previous error
+error[E0658]: subslice patterns are unstable
+  --> $DIR/match-vec-invalid.rs:4:13
+   |
+LL |         [1, tail @ .., tail @ ..] => {},
+   |             ^^^^^^^^^
+   |
+   = note: for more information, see https://github.com/rust-lang/rust/issues/62254
+   = help: add #![feature(slice_patterns)] to the crate attributes to enable
 
+error[E0658]: subslice patterns are unstable
+  --> $DIR/match-vec-invalid.rs:4:24
+   |
+LL |         [1, tail @ .., tail @ ..] => {},
+   |                        ^^^^^^^^^
+   |
+   = note: for more information, see https://github.com/rust-lang/rust/issues/62254
+   = help: add #![feature(slice_patterns)] to the crate attributes to enable
+
+error: `..` can only be used once per slice pattern
+  --> $DIR/match-vec-invalid.rs:4:31
+   |
+LL |         [1, tail @ .., tail @ ..] => {},
+   |                    --         ^^ can only be used once per slice pattern
+   |                    |
+   |                    previously used here
+
+error[E0529]: expected an array or slice, found `std::vec::Vec<_>`
+  --> $DIR/match-vec-invalid.rs:4:9
+   |
+LL |         [1, tail @ .., tail @ ..] => {},
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^ pattern cannot match with input type `std::vec::Vec<_>`
+
+error: aborting due to 5 previous errors
+
+Some errors have detailed explanations: E0416, E0529, E0658.
+For more information about an error, try `rustc --explain E0416`.

src/test/ui/parser/pat-tuple-3.rs

@@ -1,6 +1,6 @@
 fn main() {
     match (0, 1, 2) {
         (.., pat, ..) => {}
-        //~^ ERROR `..` can only be used once per tuple or tuple struct pattern
+        //~^ ERROR `..` can only be used once per tuple pattern
     }
 }

src/test/ui/parser/pat-tuple-3.stderr

@@ -1,10 +1,10 @@
-error: `..` can only be used once per tuple or tuple struct pattern
+error: `..` can only be used once per tuple pattern
   --> $DIR/pat-tuple-3.rs:3:19
    |
 LL |         (.., pat, ..) => {}
-   |          --       ^^ can only be used once per pattern
+   |          --       ^^ can only be used once per tuple pattern
    |          |
-   |          previously present here
+   |          previously used here
 
 error: aborting due to previous error