Issue 26146. Get next token after '{' or '}' while skipping interpolations.

pkg/analyzer/lib/src/generated/parser.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library analyzer.src.generated.parser;
 
 import 'dart:collection';
 import "dart:math" as math;
 
 import 'package:analyzer/dart/ast/ast.dart';
@@ skipping 8616 matching lines @@
         // Rather than verify that the following tokens represent a valid
         // expression, we simply skip tokens until we reach the end of the
         // interpolation, being careful to handle nested string literals.
         //
         int bracketNestingLevel = 1;
         while (bracketNestingLevel > 0) {
           if (type == TokenType.EOF) {
             return null;
           } else if (type == TokenType.OPEN_CURLY_BRACKET) {
             bracketNestingLevel++;
+            token = token.next;
           } else if (type == TokenType.CLOSE_CURLY_BRACKET) {
             bracketNestingLevel--;
+            token = token.next;
           } else if (type == TokenType.STRING) {
             token = _skipStringLiteral(token);
             if (token == null) {
               return null;
             }
           } else {
             token = token.next;
           }
           type = token.type;
         }
@@ skipping 1308 matching lines @@
    */
   const ParserErrorCode(String name, String message, [String correction])
       : super(name, message, correction);
 
   @override
   ErrorSeverity get errorSeverity => ErrorSeverity.ERROR;
 
   @override
   ErrorType get type => ErrorType.SYNTACTIC_ERROR;
 }