[runtime] TailCallRuntime and CallRuntime should use default argument counts

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

Index: src/crankshaft/arm/lithium-codegen-arm.h
diff --git a/src/crankshaft/arm/lithium-codegen-arm.h b/src/crankshaft/arm/lithium-codegen-arm.h
index e80fda4d37fc3884fd59b5143294220dee8afa2d..24a083ff2f201f6a64d44520dfa4b06aa34d19f4 100644
--- a/src/crankshaft/arm/lithium-codegen-arm.h
+++ b/src/crankshaft/arm/lithium-codegen-arm.h
@@ -203,6 +203,11 @@ class LCodeGen: public LCodeGenBase {
     CallRuntime(function, num_arguments, instr);
   }
 
+  void CallRuntime(Runtime::FunctionId id, LInstruction* instr) {
+    const Runtime::Function* function = Runtime::FunctionForId(id);
+    CallRuntime(function, function->nargs, instr);
+  }
+
   void LoadContextFromDeferred(LOperand* context);
   void CallRuntimeFromDeferred(Runtime::FunctionId id,
                                int argc,