parser: reword || recovery.

Author: Centril

src/libsyntax/parse/parser/pat.rs

@@ -119,7 +119,7 @@ impl<'a> Parser<'a> {
         self.struct_span_err(self.token.span, "unexpected token `||` after pattern")
             .span_suggestion(
                 self.token.span,
-                "use a single `|` to specify multiple patterns",
+                "use a single `|` to separate multiple alternative patterns",
                 "|".to_owned(),
                 Applicability::MachineApplicable
             )

src/test/ui/or-patterns/multiple-pattern-typo.stderr

@@ -2,43 +2,43 @@ error: unexpected token `||` after pattern
   --> $DIR/multiple-pattern-typo.rs:8:15
    |
 LL |         1 | 2 || 3 => (),
-   |               ^^ help: use a single `|` to specify multiple patterns: `|`
+   |               ^^ help: use a single `|` to separate multiple alternative patterns: `|`
 
 error: unexpected token `||` after pattern
   --> $DIR/multiple-pattern-typo.rs:13:16
    |
 LL |         (1 | 2 || 3) => (),
-   |                ^^ help: use a single `|` to specify multiple patterns: `|`
+   |                ^^ help: use a single `|` to separate multiple alternative patterns: `|`
 
 error: unexpected token `||` after pattern
   --> $DIR/multiple-pattern-typo.rs:18:16
    |
 LL |         (1 | 2 || 3,) => (),
-   |                ^^ help: use a single `|` to specify multiple patterns: `|`
+   |                ^^ help: use a single `|` to separate multiple alternative patterns: `|`
 
 error: unexpected token `||` after pattern
   --> $DIR/multiple-pattern-typo.rs:25:18
    |
 LL |         TS(1 | 2 || 3) => (),
-   |                  ^^ help: use a single `|` to specify multiple patterns: `|`
+   |                  ^^ help: use a single `|` to separate multiple alternative patterns: `|`
 
 error: unexpected token `||` after pattern
   --> $DIR/multiple-pattern-typo.rs:32:23
    |
 LL |         NS { f: 1 | 2 || 3 } => (),
-   |                       ^^ help: use a single `|` to specify multiple patterns: `|`
+   |                       ^^ help: use a single `|` to separate multiple alternative patterns: `|`
 
 error: unexpected token `||` after pattern
   --> $DIR/multiple-pattern-typo.rs:37:16
    |
 LL |         [1 | 2 || 3] => (),
-   |                ^^ help: use a single `|` to specify multiple patterns: `|`
+   |                ^^ help: use a single `|` to separate multiple alternative patterns: `|`
 
 error: unexpected token `||` after pattern
   --> $DIR/multiple-pattern-typo.rs:42:9
    |
 LL |         || 1 | 2 | 3 => (),
-   |         ^^ help: use a single `|` to specify multiple patterns: `|`
+   |         ^^ help: use a single `|` to separate multiple alternative patterns: `|`
 
 warning: the feature `or_patterns` is incomplete and may cause the compiler to crash
   --> $DIR/multiple-pattern-typo.rs:1:12