Revert "Never use classic code generator."

test/cctest/test-log.cc

-// Copyright 2011 the V8 project authors. All rights reserved.
+// Copyright 2006-2009 the V8 project authors. All rights reserved.
 //
 // Tests of logging functions from log.h
 
 #ifdef ENABLE_LOGGING_AND_PROFILING
 
 #ifdef __linux__
 #include <math.h>
 #include <pthread.h>
 #include <signal.h>
 #include <unistd.h>
@@ skipping 275 matching lines @@
   CHECK_NE(NULL, matcher->Find(code_creation));
   const char* tick = "\ntick,";
   const bool ticks_found = matcher->Find(tick) != NULL;
   CHECK_EQ(LoggerTestHelper::has_samples_taken(), ticks_found);
 }
 
 
 TEST(ProfLazyMode) {
   ScopedLoggerInitializer initialize_logger(true);
 
-  if (i::FLAG_always_full_compiler) return;
+  if (!i::V8::UseCrankshaft()) return;
 
   // No sampling should happen prior to resuming profiler unless we
   // are runtime profiling.
   CHECK(i::RuntimeProfiler::IsEnabled() ||
         !LoggerTestHelper::IsSamplerActive());
 
   LogBufferMatcher matcher;
   // Nothing must be logged until profiling is resumed.
   CHECK_EQ(0, matcher.log_pos());
 
@@ skipping 880 matching lines @@
   // Make sure that all log data is written prior crash due to CHECK failure.
   fflush(stdout);
   CHECK(results_equal);
 
   env->Exit();
   LOGGER->TearDown();
   i::FLAG_always_compact = saved_always_compact;
 }
 
 #endif  // ENABLE_LOGGING_AND_PROFILING