Address Florian's comments: use restricted lazy deoptimization, fix typo.

runtime/vm/class_finalizer.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/class_finalizer.h"
 
 #include "vm/flags.h"
 #include "vm/heap.h"
 #include "vm/isolate.h"
 #include "vm/longjump.h"
@@ skipping 15 matching lines @@
   ObjectStore* object_store = Isolate::Current()->object_store();
   const GrowableObjectArray& classes =
       GrowableObjectArray::Handle(object_store->pending_classes());
   return classes.Length() == 0;
 }
 
 
 // Removes optimized code once we load more classes, since --use_cha based
 // optimizations may have become invalid.
 // Only methods which owner classes where subclasses can be invalid.
-// TODO(srdjan): Be even more precise by recording the exact CHA optimziation.
+// TODO(srdjan): Be even more precise by recording the exact CHA optimization.
 static void RemoveOptimizedCode(
     const GrowableArray<intptr_t>& added_subclasses_to_cids) {
   ASSERT(FLAG_use_cha);
   if (added_subclasses_to_cids.is_empty()) return;
   // Deoptimize all live frames.
-  DeoptimizeAll();
+  DeoptimizeIfOwner(added_subclasses_to_cids);
   // Switch all functions' code to unoptimized.
   const ClassTable& class_table = *Isolate::Current()->class_table();
   Class& cls = Class::Handle();
   Array& array = Array::Handle();
   Function& function = Function::Handle();
   for (intptr_t i = 0; i < added_subclasses_to_cids.length(); i++) {
     intptr_t cid = added_subclasses_to_cids[i];
     cls = class_table.At(cid);
     ASSERT(!cls.IsNull());
     array = cls.functions();
@@ skipping 1644 matching lines @@
 void ClassFinalizer::ReportError(const char* format, ...) {
   va_list args;
   va_start(args, format);
   const Error& error = Error::Handle(
       Parser::FormatError(Script::Handle(), -1, "Error", format, args));
   va_end(args);
   ReportError(error);
 }
 
 }  // namespace dart