[runtime] Sanitize %NewClosure runtime entries.

src/arm64/lithium-codegen-arm64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/arm64/frames-arm64.h"
 #include "src/arm64/lithium-codegen-arm64.h"
 #include "src/arm64/lithium-gap-resolver-arm64.h"
 #include "src/base/bits.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
@@ skipping 2811 matching lines @@
 void LCodeGen::DoDummy(LDummy* instr) {
   // Nothing to see here, move on!
 }
 
 
 void LCodeGen::DoDummyUse(LDummyUse* instr) {
   // Nothing to see here, move on!
 }
 
 
-void LCodeGen::DoFunctionLiteral(LFunctionLiteral* instr) {
-  DCHECK(ToRegister(instr->context()).is(cp));
-  // FunctionLiteral instruction is marked as call, we can trash any register.
-  DCHECK(instr->IsMarkedAsCall());
-
-  // 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());
-    __ Mov(x2, Operand(instr->hydrogen()->shared_info()));
-    CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
-  } else {
-    __ Mov(x2, Operand(instr->hydrogen()->shared_info()));
-    __ Mov(x1, Operand(pretenure ? factory()->true_value()
-                                 : factory()->false_value()));
-    __ Push(cp, x2, x1);
-    CallRuntime(Runtime::kNewClosure, 3, instr);
-  }
-}
-
-
 void LCodeGen::DoForInCacheArray(LForInCacheArray* instr) {
   Register map = ToRegister(instr->map());
   Register result = ToRegister(instr->result());
   Label load_cache, done;
 
   __ EnumLengthUntagged(result, map);
   __ Cbnz(result, &load_cache);
 
   __ Mov(result, Operand(isolate()->factory()->empty_fixed_array()));
   __ B(&done);
@@ skipping 3178 matching lines @@
   Handle<ScopeInfo> scope_info = instr->scope_info();
   __ Push(scope_info);
   __ Push(ToRegister(instr->function()));
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 }  // namespace internal
 }  // namespace v8