parser: Add RestPattern parsing

Add simple RestPattern parsing to the pattern parsing function.

gcc/rust/ChangeLog:

	* parse/rust-parse-impl.h (Parser::parse_pattern_no_alt): Handle
	RestPattern correctly.

Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/gcc/rust/parse/rust-parse-impl.h b/gcc/rust/parse/rust-parse-impl.h
index 2cea013..63e425e 100644
--- a/gcc/rust/parse/rust-parse-impl.h
+++ b/gcc/rust/parse/rust-parse-impl.h
@@ -10737,6 +10737,10 @@ Parser<ManagedTokenSource>::parse_pattern_no_alt ()
       lexer.skip_token ();
       return std::unique_ptr<AST::WildcardPattern> (
 	new AST::WildcardPattern (t->get_locus ()));
+    case DOT_DOT:
+      lexer.skip_token ();
+      return std::unique_ptr<AST::RestPattern> (
+	new AST::RestPattern (t->get_locus ()));
     case REF:
     case MUT:
       return parse_identifier_pattern ();