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

src/ic/x64/stub-cache-x64.cc

Index: src/ic/x64/stub-cache-x64.cc
diff --git a/src/ic/x64/stub-cache-x64.cc b/src/ic/x64/stub-cache-x64.cc
index 4be0d5b33046dc365ab3b0a2d3d5affe3ae0c143..9421f53c0e17e17819f3fe0b3d0aa902ba14be66 100644
--- a/src/ic/x64/stub-cache-x64.cc
+++ b/src/ic/x64/stub-cache-x64.cc
@@ -115,8 +115,8 @@ void StubCache::GenerateProbe(MacroAssembler* masm, Code::Kind ic_kind,
   // the vector and slot registers, which need to be preserved for a handler
   // call or miss.
   if (IC::ICUseVector(ic_kind)) {
-    Register vector = VectorLoadICDescriptor::VectorRegister();
-    Register slot = VectorLoadICDescriptor::SlotRegister();
+    Register vector = LoadWithVectorDescriptor::VectorRegister();
+    Register slot = LoadDescriptor::SlotRegister();
     DCHECK(!AreAliased(vector, slot, scratch));
   }
 #endif