More cleanups in compiler (remove allocation in new space).

runtime/vm/growable_array.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.
 // Defines growable array classes, that differ where they are allocated:
 // - GrowableArray: allocated on stack.
 // - ZoneGrowableArray: allocated in the zone.
 // - MallocGrowableArray: allocates using malloc/realloc; free is only called
 //   at destruction.
 
 #ifndef VM_GROWABLE_ARRAY_H_
@@ skipping 197 matching lines @@
   }
 
   T& operator[](intptr_t index) const {
     return *array_[index];
   }
 
   const T& At(intptr_t index) const {
     return operator[](index);
   }
 
+  void SetAt(intptr_t index, const T& t) {
+    array_[index] = &T::ZoneHandle(zone_, t.raw());
+  }
+
   intptr_t length() const { return array_.length(); }
 
   const GrowableArray<T*>& growable_array() const { return array_; }
 
  private:
   Zone* zone_;
   GrowableArray<T*> array_;
 
   DISALLOW_COPY_AND_ASSIGN(BaseGrowableHandlePtrArray);
 };
@@ skipping 45 matching lines @@
  public:
   explicit MallocGrowableArray(intptr_t initial_capacity)
       : BaseGrowableArray<T, EmptyBase, Malloc>(initial_capacity, NULL) {}
   MallocGrowableArray()
       : BaseGrowableArray<T, EmptyBase, Malloc>(NULL) {}
 };
 
 }  // namespace dart
 
 #endif  // VM_GROWABLE_ARRAY_H_