[stubs] Port StoreFieldStub to TurboFan.

src/code-stub-assembler.h

Index: src/code-stub-assembler.h
diff --git a/src/code-stub-assembler.h b/src/code-stub-assembler.h
index 3a8a4d81d3aee74476a429d7cd3fabbb160dfc0e..6678938ecfe03fb357aec5aec12f338e8d85d951 100644
--- a/src/code-stub-assembler.h
+++ b/src/code-stub-assembler.h
@@ -304,9 +304,10 @@ class CodeStubAssembler : public compiler::CodeAssembler {
       ParameterMode parameter_mode = INTEGER_PARAMETERS);
 
   // Allocate a HeapNumber without initializing its value.
-  compiler::Node* AllocateHeapNumber();
+  compiler::Node* AllocateHeapNumber(MutableMode mode = IMMUTABLE);
   // Allocate a HeapNumber with a specific value.
-  compiler::Node* AllocateHeapNumberWithValue(compiler::Node* value);
+  compiler::Node* AllocateHeapNumberWithValue(compiler::Node* value,
+                                              MutableMode mode = IMMUTABLE);
   // Allocate a SeqOneByteString with the given length.
   compiler::Node* AllocateSeqOneByteString(int length);
   compiler::Node* AllocateSeqOneByteString(compiler::Node* context,
@@ -628,6 +629,14 @@ class CodeStubAssembler : public compiler::CodeAssembler {
                          compiler::Node* name, Label* if_handler,
                          Variable* var_handler, Label* if_miss);
 
+  compiler::Node* PrepareValueForWrite(compiler::Node* value,
+                                       Representation representation,
+                                       Label* bailout);
+
+  void StoreNamedField(compiler::Node* object, FieldIndex index,
+                       Representation representation, compiler::Node* value,
+                       bool transition_to_field);
+
   void LoadIC(const LoadICParameters* p);
   void LoadGlobalIC(const LoadICParameters* p);
   void KeyedLoadIC(const LoadICParameters* p);