[runtime] Sanitize %NewClosure runtime entries.

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 0f880c7ad57f1bcdce56257508354f64e454f22a..9df3a7dabf328745bf4731be4f0dd46ed97d8772 100644
--- a/src/x64/lithium-x64.cc
+++ b/src/x64/lithium-x64.cc
@@ -2528,13 +2528,6 @@ LInstruction* LChunkBuilder::DoRegExpLiteral(HRegExpLiteral* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoFunctionLiteral(HFunctionLiteral* instr) {
-  LOperand* context = UseFixed(instr->context(), rsi);
-  LFunctionLiteral* result = new(zone()) LFunctionLiteral(context);
-  return MarkAsCall(DefineFixed(result, rax), instr);
-}
-
-
 LInstruction* LChunkBuilder::DoOsrEntry(HOsrEntry* instr) {
   DCHECK(argument_count_ == 0);
   allocator_->MarkAsOsrEntry();