[turbofan] Fix TickEvents cctest typo.

test/cctest/test-cpu-profiler.cc

 // Copyright 2010 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 224 matching lines @@
   profiler_listener.AddObserver(&profiler);
 
   profiler_listener.CodeCreateEvent(i::Logger::BUILTIN_TAG, frame1_code, "bbb");
   profiler_listener.CodeCreateEvent(i::Logger::STUB_TAG, frame2_code, 5);
   profiler_listener.CodeCreateEvent(i::Logger::BUILTIN_TAG, frame3_code, "ddd");
 
   EnqueueTickSampleEvent(processor, frame1_code->instruction_start());
   EnqueueTickSampleEvent(
       processor,
       frame2_code->instruction_start() + frame2_code->ExecutableSize() / 2,
-      frame1_code->instruction_start() + frame2_code->ExecutableSize() / 2);
+      frame1_code->instruction_start() + frame1_code->ExecutableSize() / 2);
   EnqueueTickSampleEvent(processor, frame3_code->instruction_end() - 1,
                          frame2_code->instruction_end() - 1,
                          frame1_code->instruction_end() - 1);
 
   profiler_listener.RemoveObserver(&profiler);
   isolate->code_event_dispatcher()->RemoveListener(&profiler_listener);
   processor->StopSynchronously();
   CpuProfile* profile = profiles->StopProfiling("");
   CHECK(profile);
 
@@ skipping 1827 matching lines @@
   iprofile->Print();
   v8::CpuProfile* profile = reinterpret_cast<v8::CpuProfile*>(iprofile);
 
   const char* branch[] = {"", "test"};
   const ProfileNode* itest_node =
       GetSimpleBranch(env, profile, branch, arraysize(branch));
   CHECK_EQ(0U, itest_node->deopt_infos().size());
 
   iprofiler->DeleteProfile(iprofile);
 }