Fix issue 22633

runtime/vm/parser.cc

 // Copyright (c) 2012, 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.
 
 #include "vm/parser.h"
 
 #include "lib/invocation_mirror.h"
 #include "platform/utils.h"
 #include "vm/ast_transformer.h"
 #include "vm/bootstrap.h"
@@ skipping 9076 matching lines @@
           Symbols::SavedStackTraceVar(),
           dynamic_type);
       try_scope->AddVariable(*saved_stack_trace_var);
     }
   }
 }
 
 
 AstNode* Parser::ParseTryStatement(String* label_name) {
   TRACE_PARSER("ParseTryStatement");
+
+  const intptr_t try_pos = TokenPos();
+  SourceLabel* try_label = NULL;
+  if (label_name != NULL) {
+    try_label = SourceLabel::New(try_pos, label_name, SourceLabel::kStatement);
+    OpenBlock();
+    current_block_->scope->AddLabel(try_label);
+  }
+
   const bool is_async = innermost_function().IsAsyncClosure() ||
                         innermost_function().IsAsyncFunction() ||
                         innermost_function().IsSyncGenClosure() ||
                         innermost_function().IsSyncGenerator() ||
                         innermost_function().IsAsyncGenClosure() ||
                         innermost_function().IsAsyncGenerator();
   LocalVariable* context_var = NULL;
   LocalVariable* exception_var = NULL;
   LocalVariable* stack_trace_var = NULL;
   LocalVariable* saved_exception_var = NULL;
   LocalVariable* saved_stack_trace_var = NULL;
   SetupExceptionVariables(current_block_->scope,
                           is_async,
                           &context_var,
                           &exception_var,
                           &stack_trace_var,
                           &saved_exception_var,
                           &saved_stack_trace_var);
 
-  const intptr_t try_pos = TokenPos();
   ConsumeToken();  // Consume the 'try'.
 
-  SourceLabel* try_label = NULL;
-  if (label_name != NULL) {
-    try_label = SourceLabel::New(try_pos, label_name, SourceLabel::kStatement);
-    OpenBlock();
-    current_block_->scope->AddLabel(try_label);
-  }
-
   // Now parse the 'try' block.
   OpenBlock();
   PushTryBlock(current_block_);
   ExpectToken(Token::kLBRACE);
 
   if (is_async) {
     SetupSavedTryContext(context_var);
   }
 
   ParseStatementSequence();
@@ skipping 4063 matching lines @@
 void Parser::SkipQualIdent() {
   ASSERT(IsIdentifier());
   ConsumeToken();
   if (CurrentToken() == Token::kPERIOD) {
     ConsumeToken();  // Consume the kPERIOD token.
     ExpectIdentifier("identifier expected after '.'");
   }
 }
 
 }  // namespace dart