Fix argument expectation Runtime_StringParseInt.

src/runtime.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 6289 matching lines @@
   ASSERT(args.length() == 1);
   BasicJsonStringifier stringifier(isolate);
   return stringifier.Stringify(Handle<Object>(args[0], isolate));
 }
 
 
 RUNTIME_FUNCTION(MaybeObject*, Runtime_StringParseInt) {
   SealHandleScope shs(isolate);
 
   CONVERT_ARG_CHECKED(String, s, 0);
-  CONVERT_SMI_ARG_CHECKED(radix, 1);
+  CONVERT_NUMBER_CHECKED(int, radix, Int32, args[1]);
 
   s->TryFlatten();
 
   RUNTIME_ASSERT(radix == 0 || (2 <= radix && radix <= 36));
   double value = StringToInt(isolate->unicode_cache(), s, radix);
   return isolate->heap()->NumberFromDouble(value);
 }
 
 
 RUNTIME_FUNCTION(MaybeObject*, Runtime_StringParseFloat) {
@@ skipping 8886 matching lines @@
   }
 }
 
 
 void Runtime::OutOfMemory() {
   Heap::FatalProcessOutOfMemory("CALL_AND_RETRY_LAST", true);
   UNREACHABLE();
 }
 
 } }  // namespace v8::internal