[runtime] Sanitize %NewClosure runtime entries.

src/full-codegen/mips/full-codegen-mips.cc

 // Copyright 2012 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.
 
 #if V8_TARGET_ARCH_MIPS
 
 // Note on Mips implementation:
 //
 // The result_register() for mips is the 'v0' register, which is defined
 // by the ABI to contain function return values. However, the first
@@ skipping 1223 matching lines @@
   // doesn't just get a copy of the existing unoptimized code.
   if (!FLAG_always_opt &&
       !FLAG_prepare_always_opt &&
       !pretenure &&
       scope()->is_function_scope() &&
       info->num_literals() == 0) {
     FastNewClosureStub stub(isolate(), info->language_mode(), info->kind());
     __ li(a2, Operand(info));
     __ CallStub(&stub);
   } else {
-    __ li(a0, Operand(info));
-    __ LoadRoot(a1, pretenure ? Heap::kTrueValueRootIndex
-                              : Heap::kFalseValueRootIndex);
-    __ Push(cp, a0, a1);
-    __ CallRuntime(Runtime::kNewClosure, 3);
+    __ Push(info);
+    __ CallRuntime(
+        pretenure ? Runtime::kNewClosure_Tenured : Runtime::kNewClosure, 1);
   }
   context()->Plug(v0);
 }
 
 
 void FullCodeGenerator::EmitSetHomeObjectIfNeeded(Expression* initializer,
                                                   int offset,
                                                   FeedbackVectorICSlot slot) {
   if (NeedsHomeObject(initializer)) {
     __ lw(StoreDescriptor::ReceiverRegister(), MemOperand(sp));
@@ skipping 4075 matching lines @@
          reinterpret_cast<uint32_t>(
              isolate->builtins()->OsrAfterStackCheck()->entry()));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS