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

src/x64/debug-x64.cc

Index: src/x64/debug-x64.cc
diff --git a/src/x64/debug-x64.cc b/src/x64/debug-x64.cc
index 23a7a32d7ec7e0b0fe9e52adfac3833030ed62ab..41afd369effb7251e0efa257df9f07c4064c5cda 100644
--- a/src/x64/debug-x64.cc
+++ b/src/x64/debug-x64.cc
@@ -163,8 +163,8 @@ void DebugCodegen::GenerateLoadICDebugBreak(MacroAssembler* masm) {
   // Register state for IC load call (from ic-x64.cc).
   Register receiver = LoadDescriptor::ReceiverRegister();
   Register name = LoadDescriptor::NameRegister();
-  RegList regs = receiver.bit() | name.bit() |
-                 VectorLoadICTrampolineDescriptor::SlotRegister().bit();
+  Register slot = LoadDescriptor::SlotRegister();
+  RegList regs = receiver.bit() | name.bit() | slot.bit();
   Generate_DebugBreakCallHelper(masm, regs, 0, false);
 }