Fix infinite loop in regress-opt-after-deopt.

src/runtime.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
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 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
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@@ skipping 8296 matching lines @@
 
   return isolate->heap()->undefined_value();
 }
 
 
 RUNTIME_FUNCTION(MaybeObject*, Runtime_CompleteOptimization) {
   HandleScope scope(isolate);
   ASSERT(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0);
   if (FLAG_parallel_recompilation && V8::UseCrankshaft()) {
     // While function is in optimization pipeline, it is marked with builtins.

[Hannes Payer (out of office), 2013/07/01 08:54:26]

Can we update the comment with the description you gave in the CL?

-    while (function->code()->kind() == Code::BUILTIN) {
+    while (function->IsMarkedForParallelRecompilation() ||
+           function->IsInRecompileQueue() ||
+           function->IsMarkedForInstallingRecompiledCode()) {
       isolate->optimizing_compiler_thread()->InstallOptimizedFunctions();
       OS::Sleep(50);
     }
   }
   return isolate->heap()->undefined_value();
 }
 
 
 RUNTIME_FUNCTION(MaybeObject*, Runtime_GetOptimizationStatus) {
   HandleScope scope(isolate);
@@ skipping 5590 matching lines @@
     // Handle last resort GC and make sure to allow future allocations
     // to grow the heap without causing GCs (if possible).
     isolate->counters()->gc_last_resort_from_js()->Increment();
     isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags,
                                        "Runtime::PerformGC");
   }
 }
 
 
 } }  // namespace v8::internal