[runtime] Sanitize %NewClosure runtime entries.

src/x64/lithium-codegen-x64.cc

Index: src/x64/lithium-codegen-x64.cc
diff --git a/src/x64/lithium-codegen-x64.cc b/src/x64/lithium-codegen-x64.cc
index 4557ce13be052dbf5af806962863908581899e6a..7ef838ab10f5f127d63e8e310adf59be7a0bb9c8 100644
--- a/src/x64/lithium-codegen-x64.cc
+++ b/src/x64/lithium-codegen-x64.cc
@@ -5508,26 +5508,6 @@ void LCodeGen::DoRegExpLiteral(LRegExpLiteral* instr) {
 }
 
 
-void LCodeGen::DoFunctionLiteral(LFunctionLiteral* instr) {
-  DCHECK(ToRegister(instr->context()).is(rsi));
-  // Use the fast case closure allocation code that allocates in new
-  // space for nested functions that don't need literals cloning.
-  bool pretenure = instr->hydrogen()->pretenure();
-  if (!pretenure && instr->hydrogen()->has_no_literals()) {
-    FastNewClosureStub stub(isolate(), instr->hydrogen()->language_mode(),
-                            instr->hydrogen()->kind());
-    __ Move(rbx, instr->hydrogen()->shared_info());
-    CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
-  } else {
-    __ Push(rsi);
-    __ Push(instr->hydrogen()->shared_info());
-    __ PushRoot(pretenure ? Heap::kTrueValueRootIndex :
-                            Heap::kFalseValueRootIndex);
-    CallRuntime(Runtime::kNewClosure, 3, instr);
-  }
-}
-
-
 void LCodeGen::DoTypeof(LTypeof* instr) {
   DCHECK(ToRegister(instr->context()).is(rsi));
   DCHECK(ToRegister(instr->value()).is(rbx));