Vector ICs: Introduce Store and KeyedStore IC code stubs.

src/arm64/interface-descriptors-arm64.cc

Index: src/arm64/interface-descriptors-arm64.cc
diff --git a/src/arm64/interface-descriptors-arm64.cc b/src/arm64/interface-descriptors-arm64.cc
index 390260e83538555da0ccf4cc856cb22e26acb0c3..96f7d2bf6a60cbdb164ac9908765cb8d8bce7bff 100644
--- a/src/arm64/interface-descriptors-arm64.cc
+++ b/src/arm64/interface-descriptors-arm64.cc
@@ -27,6 +27,12 @@ const Register StoreDescriptor::NameRegister() { return x2; }
 const Register StoreDescriptor::ValueRegister() { return x0; }
 
 
+const Register VectorStoreICTrampolineDescriptor::SlotRegister() { return x4; }
+
+
+const Register VectorStoreICDescriptor::VectorRegister() { return x3; }
+
+
 const Register StoreTransitionDescriptor::MapRegister() { return x3; }