Turn ElementsTransitionAndStore stub into a HydrogenCodeStub.

src/ia32/code-stubs-ia32.cc

Index: src/ia32/code-stubs-ia32.cc
diff --git a/src/ia32/code-stubs-ia32.cc b/src/ia32/code-stubs-ia32.cc
index 89f21e9dbd940b8628610ca50c53c25e3ebf630c..3274fd5d5c123c6b2eb0c9241471f63a49cdef91 100644
--- a/src/ia32/code-stubs-ia32.cc
+++ b/src/ia32/code-stubs-ia32.cc
@@ -262,6 +262,26 @@ void StoreGlobalStub::InitializeInterfaceDescriptor(
 }
 
 
+void ElementsTransitionAndStoreStub::InitializeInterfaceDescriptor(
+    Isolate* isolate,
+    CodeStubInterfaceDescriptor* descriptor) {
+  static Register registers[] = { eax, ebx, ecx, edx };
+  descriptor->register_param_count_ = 4;
+  descriptor->register_params_ = registers;
+  switch (strict_mode_) {
+    case kNonStrictMode:
+      descriptor->deoptimization_handler_ = Runtime::FunctionForId(
+          Runtime::kElementsTransitionAndStoreNonStrict)->entry;
+      break;
+
+    case kStrictMode:
+      descriptor->deoptimization_handler_ = Runtime::FunctionForId(
+          Runtime::kElementsTransitionAndStoreStrict)->entry;
+      break;
+  }
+}
+
+
 #define __ ACCESS_MASM(masm)