- Revert r24441 until issues found have been addressed.

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 "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
@@ skipping 9812 matching lines @@
       } else {
         primary = ParseSuperFieldAccess(ident);
       }
     } else if ((CurrentToken() == Token::kLBRACK) ||
         Token::CanBeOverloaded(CurrentToken()) ||
         (CurrentToken() == Token::kNE)) {
       primary = ParseSuperOperator();
     } else {
       primary = new PrimaryNode(TokenPos(), Symbols::Super());
     }
+  } else if (CurrentToken() == Token::kCONDITIONAL) {
+    primary = ParseArgumentDefinitionTest();
   } else {
     UnexpectedToken();
   }
   return primary;
 }
 
 
 // Evaluate expression in expr and return the value. The expression must
 // be a compile time constant.
 const Instance& Parser::EvaluateConstExpr(AstNode* expr) {
@@ skipping 179 matching lines @@
       } else {
         SkipNewOperator();
       }
       break;
     case Token::kLT:
     case Token::kLBRACE:
     case Token::kLBRACK:
     case Token::kINDEX:
       SkipCompoundLiteral();
       break;
+    case Token::kCONDITIONAL:
+      ConsumeToken();
+      if (IsIdentifier()) {
+        ConsumeToken();
+      }
+      break;
     default:
       if (IsIdentifier()) {
         ConsumeToken();  // Handle pseudo-keyword identifiers.
       } else {
         UnexpectedToken();
         UNREACHABLE();
       }
       break;
   }
 }
@@ skipping 102 matching lines @@
 void Parser::SkipQualIdent() {
   ASSERT(IsIdentifier());
   ConsumeToken();
   if (CurrentToken() == Token::kPERIOD) {
     ConsumeToken();  // Consume the kPERIOD token.
     ExpectIdentifier("identifier expected after '.'");
   }
 }
 
 }  // namespace dart