[runtime] Sanitize %NewClosure runtime entries.

src/full-codegen/ppc/full-codegen-ppc.cc

 // Copyright 2014 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_PPC
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
 #include "src/compiler.h"
@@ skipping 1189 matching lines @@
   // we're running with the --always-opt or the --prepare-always-opt
   // flag, we need to use the runtime function so that the new function
   // we are creating here gets a chance to have its code optimized and
   // 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());
     __ mov(r5, Operand(info));
     __ CallStub(&stub);
   } else {
-    __ mov(r3, Operand(info));
-    __ LoadRoot(
-        r4, pretenure ? Heap::kTrueValueRootIndex : Heap::kFalseValueRootIndex);
-    __ Push(cp, r3, r4);
-    __ CallRuntime(Runtime::kNewClosure, 3);
+    __ Push(info);
+    __ CallRuntime(
+        pretenure ? Runtime::kNewClosure_Tenured : Runtime::kNewClosure, 1);
   }
   context()->Plug(r3);
 }
 
 
 void FullCodeGenerator::EmitSetHomeObjectIfNeeded(Expression* initializer,
                                                   int offset,
                                                   FeedbackVectorICSlot slot) {
   if (NeedsHomeObject(initializer)) {
     __ LoadP(StoreDescriptor::ReceiverRegister(), MemOperand(sp));
@@ skipping 4088 matching lines @@
     return ON_STACK_REPLACEMENT;
   }
 
   DCHECK(interrupt_address ==
          isolate->builtins()->OsrAfterStackCheck()->entry());
   return OSR_AFTER_STACK_CHECK;
 }
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_TARGET_ARCH_PPC