Turn ElementsTransitionAndStore stub into a HydrogenCodeStub.

src/mips/code-stubs-mips.cc

Index: src/mips/code-stubs-mips.cc
diff --git a/src/mips/code-stubs-mips.cc b/src/mips/code-stubs-mips.cc
index 29178eb98a5343caa760831e68b74db025ec9f0c..c3525d443304c63e4f509cb2a796894c0e746e64 100644
--- a/src/mips/code-stubs-mips.cc
+++ b/src/mips/code-stubs-mips.cc
@@ -259,6 +259,16 @@ void StoreGlobalStub::InitializeInterfaceDescriptor(
 }
 
 
+void ElementsTransitionAndStoreStub::InitializeInterfaceDescriptor(
+    Isolate* isolate,
+    CodeStubInterfaceDescriptor* descriptor) {
+  static Register registers[] = { a0, a3, a1, a2 };
+  descriptor->register_param_count_ = 4;
+  descriptor->register_params_ = registers;
+  descriptor->deoptimization_handler_ = GetDeoptimizationHandler();
+}
+
+
 #define __ ACCESS_MASM(masm)