[fullcodegen] Introduce single bottleneck for calling KeyedStoreIC.

src/full-codegen/s390/full-codegen-s390.cc

Index: src/full-codegen/s390/full-codegen-s390.cc
diff --git a/src/full-codegen/s390/full-codegen-s390.cc b/src/full-codegen/s390/full-codegen-s390.cc
index a2afb4490dd0868f912be31600e20e5fb9c39ccd..b7bf67b231778131192bb337a07d83d7a6646c32 100644
--- a/src/full-codegen/s390/full-codegen-s390.cc
+++ b/src/full-codegen/s390/full-codegen-s390.cc
@@ -1531,9 +1531,7 @@ 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);
@@ -2080,9 +2078,7 @@ 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;
     }
   }
@@ -2218,10 +2214,8 @@ void FullCodeGenerator::EmitKeyedPropertyAssignment(Assignment* expr) {
               StoreDescriptor::NameRegister());
   DCHECK(StoreDescriptor::ValueRegister().is(r2));
 
-  Handle<Code> ic =
-      CodeFactory::KeyedStoreIC(isolate(), language_mode()).code();
   EmitLoadStoreICSlot(expr->AssignmentSlot());
-  CallIC(ic);
+  CallKeyedStoreIC();
 
   PrepareForBailoutForId(expr->AssignmentId(), BailoutState::TOS_REGISTER);
   context()->Plug(r2);
@@ -3276,10 +3270,8 @@ 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()) {