gccrs: 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>

diff --git a/gcc/rust/parse/rust-parse-impl.h b/gcc/rust/parse/rust-parse-impl.h
index de693ebc296fc550dce4486d29fe77a935140393..23171690d95a6f9da3e59f4d0e1b85712def1bb5 100644 (file)
--- 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 ();