[fullcodegen] Introduce single bottleneck for calling KeyedStoreIC.

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

Index: src/full-codegen/ppc/full-codegen-ppc.cc
diff --git a/src/full-codegen/ppc/full-codegen-ppc.cc b/src/full-codegen/ppc/full-codegen-ppc.cc
index 3b36220df209f44f12735cfc1026f6281d06cec4..96911e274427bd80bc83430cc9aaf67cda9ad67e 100644
--- a/src/full-codegen/ppc/full-codegen-ppc.cc
+++ b/src/full-codegen/ppc/full-codegen-ppc.cc
@@ -1571,9 +1571,7 @@ void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) {
                       Smi::FromInt(array_index));
     __ LoadP(StoreDescriptor::ReceiverRegister(), MemOperand(sp, 0));
     EmitLoadStoreICSlot(expr->LiteralFeedbackSlot());
-    Handle<Code> ic =
-        CodeFactory::KeyedStoreIC(isolate(), language_mode()).code();
-    CallIC(ic);
+    CallKeyedStoreIC();
 
     PrepareForBailoutForId(expr->GetIdForElement(array_index),
                            BailoutState::NO_REGISTERS);
@@ -2124,9 +2122,7 @@ void FullCodeGenerator::EmitAssignment(Expression* expr,
       PopOperands(StoreDescriptor::ValueRegister(),
                   StoreDescriptor::ReceiverRegister());
       EmitLoadStoreICSlot(slot);
-      Handle<Code> ic =
-          CodeFactory::KeyedStoreIC(isolate(), language_mode()).code();
-      CallIC(ic);
+      CallKeyedStoreIC();
       break;
     }
   }
@@ -2268,10 +2264,8 @@ void FullCodeGenerator::EmitKeyedPropertyAssignment(Assignment* expr) {
               StoreDescriptor::NameRegister());
   DCHECK(StoreDescriptor::ValueRegister().is(r3));
 
-  Handle<Code> ic =
-      CodeFactory::KeyedStoreIC(isolate(), language_mode()).code();
   EmitLoadStoreICSlot(expr->AssignmentSlot());
-  CallIC(ic);
+  CallKeyedStoreIC();
 
   PrepareForBailoutForId(expr->AssignmentId(), BailoutState::TOS_REGISTER);
   context()->Plug(r3);
@@ -3357,10 +3351,8 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
     case KEYED_PROPERTY: {
       PopOperands(StoreDescriptor::ReceiverRegister(),
                   StoreDescriptor::NameRegister());
-      Handle<Code> ic =
-          CodeFactory::KeyedStoreIC(isolate(), language_mode()).code();
       EmitLoadStoreICSlot(expr->CountSlot());
-      CallIC(ic);
+      CallKeyedStoreIC();
       PrepareForBailoutForId(expr->AssignmentId(), BailoutState::TOS_REGISTER);
       if (expr->is_postfix()) {
         if (!context()->IsEffect()) {