Implement rethrow statement

runtime/vm/object.h

 // 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.
 
 #ifndef VM_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 1570 matching lines @@
 
   // Allocate new function object, clone values from this function. The
   // owner of the clone is new_owner.
   RawFunction* Clone(const Class& new_owner) const;
 
   // Slow function, use in asserts to track changes in important library
   // functions.
   int32_t SourceFingerprint() const;
 
   // Return false and report an error if the fingerprint does not match.
-  bool CheckSourceFingerprint(intptr_t fp) const;
+  bool CheckSourceFingerprint(int32_t fp) const;
 
   static const int kCtorPhaseInit = 1 << 0;
   static const int kCtorPhaseBody = 1 << 1;
   static const int kCtorPhaseAll = (kCtorPhaseInit | kCtorPhaseBody);
 
  private:
   enum KindTagBits {
     kStaticBit = 0,
     kConstBit = 1,
     kOptimizableBit = 2,
@@ skipping 4058 matching lines @@
 
 
 RawObject* MegamorphicCache::GetTargetFunction(const Array& array,
                                                intptr_t index) {
   return array.At((index * kEntryLength) + kTargetFunctionIndex);
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_