translate missing ">" fasta error code to analyzer error

pkg/front_end/lib/src/scanner/errors.dart

Index: pkg/front_end/lib/src/scanner/errors.dart
diff --git a/pkg/front_end/lib/src/scanner/errors.dart b/pkg/front_end/lib/src/scanner/errors.dart
index 93b7fb0d26f87e3896c2763cf5b583906d9a231a..62756b7d01b11a7665b8e6e2cf32c209a8335a93 100644
--- a/pkg/front_end/lib/src/scanner/errors.dart
+++ b/pkg/front_end/lib/src/scanner/errors.dart
@@ -141,6 +141,9 @@ void translateErrorToken(ErrorToken token, ReportError reportError) {
         if (type == TokenType.OPEN_PAREN) {
           return _makeError(ScannerErrorCode.EXPECTED_TOKEN, [')']);
         }
+        if (type == TokenType.LT) {
+          return _makeError(ScannerErrorCode.EXPECTED_TOKEN, ['>']);
+        }
       } else if (errorCode == codeUnexpectedDollarInString) {
         return _makeError(ScannerErrorCode.MISSING_IDENTIFIER, null);
       }