[stubs] Port StoreTransitionStub and ElementsTransitionAndStoreStub to TurboFan.

src/s390/interface-descriptors-s390.cc

Index: src/s390/interface-descriptors-s390.cc
diff --git a/src/s390/interface-descriptors-s390.cc b/src/s390/interface-descriptors-s390.cc
index f53213853f1ed3ec0a11e7ca0601d57f2b4d9103..492154ac6818c03d031623eb8025c79941207fb9 100644
--- a/src/s390/interface-descriptors-s390.cc
+++ b/src/s390/interface-descriptors-s390.cc
@@ -38,11 +38,9 @@ const Register StoreDescriptor::SlotRegister() { return r6; }
 
 const Register StoreWithVectorDescriptor::VectorRegister() { return r5; }
 
-const Register VectorStoreTransitionDescriptor::SlotRegister() { return r6; }
-const Register VectorStoreTransitionDescriptor::VectorRegister() { return r5; }
-const Register VectorStoreTransitionDescriptor::MapRegister() { return r7; }
-
-const Register StoreTransitionDescriptor::MapRegister() { return r5; }
+const Register StoreTransitionDescriptor::SlotRegister() { return r6; }
+const Register StoreTransitionDescriptor::VectorRegister() { return r5; }
+const Register StoreTransitionDescriptor::MapRegister() { return r7; }
 
 const Register StoreGlobalViaContextDescriptor::SlotRegister() { return r4; }
 const Register StoreGlobalViaContextDescriptor::ValueRegister() { return r2; }