Better threaded fuzzing for TestFunctionCallOptimization

test/cctest/test-api.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 21907 matching lines @@
 class ApiCallOptimizationChecker {
  private:
   static Local<Object> data;
   static Local<Object> receiver;
   static Local<Object> holder;
   static Local<Object> callee;
   static int count;
 
   static void OptimizationCallback(
       const v8::FunctionCallbackInfo<v8::Value>& info) {
+    ApiTestFuzzer::Fuzz();
     CHECK(callee == info.Callee());
     CHECK(data == info.Data());
     CHECK(receiver == info.This());
     if (info.Length() == 1) {
       CHECK_EQ(v8_num(1), info[0]);
     }
     CHECK(holder == info.Holder());
     count++;
     info.GetReturnValue().Set(v8_str("returned"));
   }
@@ skipping 171 matching lines @@
 Local<Object> ApiCallOptimizationChecker::holder;
 Local<Object> ApiCallOptimizationChecker::callee;
 int ApiCallOptimizationChecker::count = 0;
 
 
 TEST(TestFunctionCallOptimization) {
   i::FLAG_allow_natives_syntax = true;
   ApiCallOptimizationChecker checker;
   checker.RunAll();
 }