Revert Dart_PropagateError until I can track down the problems in

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 292 matching lines @@
   static const char* GetSingletonClassName(int index);
 
   static RawClass* CreateAndRegisterInterface(const char* cname,
                                               const Script& script,
                                               const Library& lib);
   static void RegisterClass(const Class& cls,
                             const char* cname,
                             const Script& script,
                             const Library& lib);
 
-  static RawError* Init(Isolate* isolate);
+  static void Init(Isolate* isolate);
   static void InitFromSnapshot(Isolate* isolate);
   static void InitOnce();
 
   static intptr_t InstanceSize() {
     return RoundedAllocationSize(sizeof(RawObject));
   }
 
   static const ObjectKind kInstanceKind = kObject;
 
   enum TypeTestKind {
@@ skipping 1398 matching lines @@
   static RawString* CheckForDuplicateDefinition();
   static bool IsKeyUsed(intptr_t key);
 
   static void InitCoreLibrary(Isolate* isolate);
   static RawLibrary* CoreLibrary();
   static RawLibrary* CoreImplLibrary();
   static void InitNativeWrappersLibrary(Isolate* isolate);
   static RawLibrary* NativeWrappersLibrary();
 
   // Eagerly compile all classes and functions in the library.
-  static RawError* CompileAll();
+  static void CompileAll();
 
  private:
   static const int kInitialImportsCapacity = 4;
   static const int kImportsCapacityIncrement = 8;
   static const int kInitialImportedIntoCapacity = 1;
   static const int kImportedIntoCapacityIncrement = 2;
   static RawLibrary* New();
 
   intptr_t num_imports() const { return raw_ptr()->num_imports_; }
   void set_num_imports(intptr_t value) const {
@@ skipping 1884 matching lines @@
 }
 
 
 void Context::SetAt(intptr_t index, const Instance& value) const {
   StorePointer(InstanceAddr(index), value.raw());
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_