PPC/s390: [stubs] Refactor the CallICStub to pass the number of arguments.

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 01e44d8c1e779ac27ecb56094b340514215a31d4..7a7089dc854d87b8c4d4bc0377d687d7292980f9 100644
--- a/src/full-codegen/s390/full-codegen-s390.cc
+++ b/src/full-codegen/s390/full-codegen-s390.cc
@@ -2332,10 +2332,10 @@ void FullCodeGenerator::EmitCall(Call* expr, ConvertReceiverMode mode) {
     EmitProfilingCounterHandlingForReturnSequence(true);
   }
   Handle<Code> code =
-      CodeFactory::CallIC(isolate(), arg_count, mode, expr->tail_call_mode())
-          .code();
+      CodeFactory::CallIC(isolate(), mode, expr->tail_call_mode()).code();
   __ LoadSmiLiteral(r5, SmiFromSlot(expr->CallFeedbackICSlot()));
   __ LoadP(r3, MemOperand(sp, (arg_count + 1) * kPointerSize), r0);
+  __ mov(r2, Operand(arg_count));
   __ Call(code, RelocInfo::CODE_TARGET);
   OperandStackDepthDecrement(arg_count + 1);