Re-reland "Flush parallel recompilation queues on context dispose notification"

src/compiler.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 954 matching lines @@
   ASSERT(closure->IsMarkedForParallelRecompilation());
 
   Isolate* isolate = closure->GetIsolate();
   // Here we prepare compile data for the parallel recompilation thread, but
   // this still happens synchronously and interrupts execution.
   Logger::TimerEventScope timer(
       isolate, Logger::TimerEventScope::v8_recompile_synchronous);
 
   if (!isolate->optimizing_compiler_thread()->IsQueueAvailable()) {
     if (FLAG_trace_parallel_recompilation) {
-      PrintF("  ** Compilation queue, will retry opting on next run.\n");
+      PrintF("  ** Compilation queue full, will retry optimizing ");
+      closure->PrintName();
+      PrintF(" on next run.\n");
     }
     return;
   }
 
   SmartPointer<CompilationInfo> info(new CompilationInfoWithZone(closure));
   VMState<COMPILER> state(isolate);
   PostponeInterruptsScope postpone(isolate);
 
   Handle<SharedFunctionInfo> shared = info->shared_info();
   int compiled_size = shared->end_position() - shared->start_position();
@@ skipping 267 matching lines @@
   // Trace if the appropriate trace flag is set and the phase name's first
   // character is in the FLAG_trace_phase command line parameter.
   bool tracing_on = info()->IsStub() ?
       FLAG_trace_hydrogen_stubs :
       FLAG_trace_hydrogen;
   return (tracing_on &&
       OS::StrChr(const_cast<char*>(FLAG_trace_phase), name_[0]) != NULL);
 }
 
 } }  // namespace v8::internal