[runtime] TailCallRuntime and CallRuntime should use default argument counts

src/crankshaft/ia32/lithium-codegen-ia32.h

Index: src/crankshaft/ia32/lithium-codegen-ia32.h
diff --git a/src/crankshaft/ia32/lithium-codegen-ia32.h b/src/crankshaft/ia32/lithium-codegen-ia32.h
index e5e1f915dab14d2af4dcaeebf0c5ec210da7ebc2..06a3e10bf2668b0304a347f230087c153b2274f0 100644
--- a/src/crankshaft/ia32/lithium-codegen-ia32.h
+++ b/src/crankshaft/ia32/lithium-codegen-ia32.h
@@ -177,6 +177,11 @@ class LCodeGen: public LCodeGenBase {
     CallRuntime(function, argc, instr);
   }
 
+  void CallRuntime(Runtime::FunctionId id, LInstruction* instr) {
+    const Runtime::Function* function = Runtime::FunctionForId(id);
+    CallRuntime(function, function->nargs, instr);
+  }
+
   void CallRuntimeFromDeferred(Runtime::FunctionId id,
                                int argc,
                                LInstruction* instr,