Removing FLAG_vector_ics.

src/x64/lithium-x64.cc

Index: src/x64/lithium-x64.cc
diff --git a/src/x64/lithium-x64.cc b/src/x64/lithium-x64.cc
index 5ee844669a71a542a303d45186802e574bfb1a54..e0669dcd5400bf1601e64c97370d33a538dae3ff 100644
--- a/src/x64/lithium-x64.cc
+++ b/src/x64/lithium-x64.cc
@@ -1126,20 +1126,6 @@ LInstruction* LChunkBuilder::DoCallWithDescriptor(
 }
 
 
-LInstruction* LChunkBuilder::DoTailCallThroughMegamorphicCache(
-    HTailCallThroughMegamorphicCache* instr) {
-  LOperand* context = UseFixed(instr->context(), rsi);
-  LOperand* receiver_register =
-      UseFixed(instr->receiver(), LoadDescriptor::ReceiverRegister());
-  LOperand* name_register =
-      UseFixed(instr->name(), LoadDescriptor::NameRegister());
-
-  // Not marked as call. It can't deoptimize, and it never returns.
-  return new (zone()) LTailCallThroughMegamorphicCache(
-      context, receiver_register, name_register);
-}
-
-
 LInstruction* LChunkBuilder::DoInvokeFunction(HInvokeFunction* instr) {
   LOperand* context = UseFixed(instr->context(), rsi);
   LOperand* function = UseFixed(instr->function(), rdi);