Allow Symbols in switch and maps

runtime/vm/object.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/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/cpu.h"
@@ skipping 1502 matching lines @@
   field_name = Symbols::New("cid"#clazz);                                      \
   field = Field::New(field_name, true, false, true, false, cls, 0);            \
   value = Smi::New(k##clazz##Cid);                                             \
   field.set_value(value);                                                      \
   field.set_type(Type::Handle(Type::IntType()));                               \
   cls.AddField(field);                                                         \
 
   CLASS_LIST_WITH_NULL(ADD_SET_FIELD)
 #undef ADD_SET_FIELD
 
-  isolate->object_store()->InitAsyncObjects();
+  isolate->object_store()->InitKnownObjects();
 
   return Error::null();
 }
 
 
 void Object::InitFromSnapshot(Isolate* isolate) {
   TIMERSCOPE(isolate, time_bootstrap);
   ObjectStore* object_store = isolate->object_store();
 
   Class& cls = Class::Handle();
@@ skipping 16820 matching lines @@
     NoGCScope no_gc;
     memmove(CharAddr(result, 0), characters, len);
   }
   return OneByteString::raw(result);
 }
 
 
 RawOneByteString* OneByteString::New(const uint16_t* characters,
                                      intptr_t len,
                                      Heap::Space space) {
-  const String& result =String::Handle(OneByteString::New(len, space));
+  const String& result = String::Handle(OneByteString::New(len, space));
   NoGCScope no_gc;
   for (intptr_t i = 0; i < len; ++i) {
     ASSERT(Utf::IsLatin1(characters[i]));
     *CharAddr(result, i) = characters[i];
   }
   return OneByteString::raw(result);
 }
 
 
 RawOneByteString* OneByteString::New(const int32_t* characters,
@@ skipping 2115 matching lines @@
   return tag_label.ToCString();
 }
 
 
 void UserTag::PrintJSONImpl(JSONStream* stream, bool ref) const {
   Instance::PrintJSONImpl(stream, ref);
 }
 
 
 }  // namespace dart