Cleanup interface descriptors to reflect that vectors are part of stores.

src/ic/s390/stub-cache-s390.cc

Index: src/ic/s390/stub-cache-s390.cc
diff --git a/src/ic/s390/stub-cache-s390.cc b/src/ic/s390/stub-cache-s390.cc
index 69afc25624afc6d19a1186e44102d0ee9c1574e9..b132ba057165ccf6ad81752d46b3d0ed93e61dff 100644
--- a/src/ic/s390/stub-cache-s390.cc
+++ b/src/ic/s390/stub-cache-s390.cc
@@ -131,8 +131,8 @@ void StubCache::GenerateProbe(MacroAssembler* masm, Register receiver,
   if (IC::ICUseVector(ic_kind_)) {
     Register vector, slot;
     if (ic_kind_ == Code::STORE_IC || ic_kind_ == Code::KEYED_STORE_IC) {
-      vector = VectorStoreICDescriptor::VectorRegister();
-      slot = VectorStoreICDescriptor::SlotRegister();
+      vector = StoreWithVectorDescriptor::VectorRegister();
+      slot = StoreWithVectorDescriptor::SlotRegister();
     } else {
       DCHECK(ic_kind_ == Code::LOAD_IC || ic_kind_ == Code::KEYED_LOAD_IC);
       vector = LoadWithVectorDescriptor::VectorRegister();