Canonicalize type arguments lazily.

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 3407 matching lines @@
   }
   void SetAt(intptr_t index, const Object& value) const {
     // TODO(iposva): Add storing NoGCScope.
     StorePointer(ObjectAddr(index), value.raw());
   }
 
   virtual RawAbstractTypeArguments* GetTypeArguments() const {
     return raw_ptr()->type_arguments_;
   }
   virtual void SetTypeArguments(const AbstractTypeArguments& value) const {
-    raw_ptr()->type_arguments_ = value.Canonicalize();
+    raw_ptr()->type_arguments_ = value.raw();
   }
 
   virtual bool Equals(const Instance& other) const;
 
   static intptr_t type_arguments_offset() {
     return OFFSET_OF(RawArray, type_arguments_);
   }
 
   static intptr_t InstanceSize() {
     ASSERT(sizeof(RawArray) == OFFSET_OF_RETURNED_VALUE(RawArray, data));
@@ skipping 107 matching lines @@
   void Grow(intptr_t new_capacity, Heap::Space space = Heap::kNew) const;
   RawObject* RemoveLast() const;
 
   virtual RawAbstractTypeArguments* GetTypeArguments() const {
     const Array& contents = Array::Handle(data());
     return contents.GetTypeArguments();
   }
   virtual void SetTypeArguments(const AbstractTypeArguments& value) const {
     const Array& contents = Array::Handle(data());
     contents.SetTypeArguments(value);
-    raw_ptr()->type_arguments_ = value.Canonicalize();
+    raw_ptr()->type_arguments_ = value.raw();
   }
 
   virtual bool Equals(const Instance& other) const;
 
   static intptr_t type_arguments_offset() {
     return OFFSET_OF(RawGrowableObjectArray, type_arguments_);
   }
 
   static intptr_t length_offset() {
     return OFFSET_OF(RawGrowableObjectArray, length_);
@@ skipping 220 matching lines @@
     return OFFSET_OF(RawClosure, function_);
   }
 
   RawContext* context() const { return raw_ptr()->context_; }
   static intptr_t context_offset() { return OFFSET_OF(RawClosure, context_); }
 
   virtual RawAbstractTypeArguments* GetTypeArguments() const {
     return raw_ptr()->type_arguments_;
   }
   virtual void SetTypeArguments(const AbstractTypeArguments& value) const {
-    raw_ptr()->type_arguments_ = value.Canonicalize();
+    raw_ptr()->type_arguments_ = value.raw();
   }
   static intptr_t type_arguments_offset() {
     return OFFSET_OF(RawClosure, type_arguments_);
   }
 
   // TODO(iposva): Remove smrck support once mapping to arbitrary is available.
   RawInteger* smrck() const { return raw_ptr()->smrck_; }
   void set_smrck(const Integer& smrck) const {
     StorePointer(&raw_ptr()->smrck_, smrck.raw());
   }
@@ skipping 192 matching lines @@
 }
 
 
 intptr_t Stackmap::SizeInBits() const {
   return (Smi::Value(raw_ptr()->bitmap_size_in_bytes_) * kBitsPerByte);
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_