Update tests wrt. recovery of range patterns.

src/test/ui/exclusive-range/exclusive_range_pattern_syntax_collision.rs

@@ -2,7 +2,10 @@
 
 fn main() {
     match [5..4, 99..105, 43..44] {
-        [_, 99.., _] => {}, //~ ERROR unexpected token: `,`
+        [_, 99.., _] => {},
+        //~^ ERROR `X..` range patterns are not supported
+        //~| ERROR arbitrary expressions aren't allowed in patterns
+        //~| ERROR only char and numeric types are allowed in range patterns
         _ => {},
     }
 }

src/test/ui/exclusive-range/exclusive_range_pattern_syntax_collision2.rs

@@ -2,7 +2,11 @@
 
 fn main() {
     match [5..4, 99..105, 43..44] {
-        [_, 99..] => {}, //~ ERROR unexpected token: `]`
+        [_, 99..] => {},
+        //~^ ERROR `X..` range patterns are not supported
+        //~| ERROR arbitrary expressions aren't allowed in patterns
+        //~| ERROR pattern requires 2 elements but array has 3
+        //~| ERROR only char and numeric types are allowed in range patterns
         _ => {},
     }
 }

src/test/ui/exclusive-range/exclusive_range_pattern_syntax_collision3.rs

@@ -2,7 +2,11 @@
 
 fn main() {
     match [5..4, 99..105, 43..44] {
-        [..9, 99..100, _] => {}, //~ ERROR expected one of `,` or `]`, found `9`
+        [..9, 99..100, _] => {},
+        //~^ ERROR `..X` range patterns are not supported
+        //~| ERROR arbitrary expressions aren't allowed in patterns
+        //~| ERROR only char and numeric types are allowed in range patterns
+        //~| ERROR mismatched types
         _ => {},
     }
 }

src/test/ui/parser/pat-tuple-4.rs

@@ -1,5 +1,10 @@
 fn main() {
     match 0 {
-        (.. pat) => {} //~ ERROR expected one of `)` or `,`, found `pat`
+        (.. pat) => {}
+        //~^ ERROR `..X` range patterns are not supported
+        //~| ERROR arbitrary expressions aren't allowed in patterns
+        //~| ERROR cannot find value `pat` in this scope
+        //~| ERROR exclusive range pattern syntax is experimental
+        //~| ERROR only char and numeric types are allowed in range patterns
     }
 }

src/test/ui/parser/pat-tuple-5.rs

@@ -1,5 +1,10 @@
 fn main() {
     match (0, 1) {
-        (pat ..) => {} //~ ERROR unexpected token: `)`
+        (pat ..) => {}
+        //~^ ERROR `X..` range patterns are not supported
+        //~| ERROR arbitrary expressions aren't allowed in patterns
+        //~| ERROR cannot find value `pat` in this scope
+        //~| ERROR exclusive range pattern syntax is experimental
+        //~| ERROR only char and numeric types are allowed in range patterns
     }
 }