Allocate double temporaries in old space ...

vm/object.cc

 // Copyright (c) 2011, 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 "vm/assembler.h"
 #include "vm/assert.h"
 #include "vm/bigint_operations.h"
 #include "vm/bootstrap.h"
@@ skipping 5023 matching lines @@
     if (norm_value.IsNull()) {
       break;
     }
     if (this->Equals(norm_value)) {
       return norm_value.raw();
     }
     index++;
   }
   // The value needs to be added to the list. Grow the list if
   // it is full.
+  // TODO(srdjan): Copy instance into old space if canonicalized?
   if (index == constants_len) {
     const intptr_t kInitialConstLength = 4;
     const intptr_t old_length = constants.Length();
     const intptr_t new_length =
         (old_length == 0) ? kInitialConstLength : old_length * 2;
     const Array& new_constants =
         Array::Handle(Array::Grow(constants, new_length, Heap::kOld));
     cls.set_constants(new_constants);
     new_constants.SetAt(index, *this);
   } else {
@@ skipping 2278 matching lines @@
   const String& str = String::Handle(pattern());
   const char* format = "JSRegExp: pattern=%s flags=%s";
   intptr_t len = OS::SNPrint(NULL, 0, format, str.ToCString(), Flags());
   char* chars = reinterpret_cast<char*>(
       Isolate::Current()->current_zone()->Allocate(len + 1));
   OS::SNPrint(chars, (len + 1), format, str.ToCString(), Flags());
   return chars;
 }
 
 }  // namespace dart