Fix %NeverOptimizeFunction runtime call.

src/runtime.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 8407 matching lines @@
       }
     } else if (type->IsOneByteEqualTo(STATIC_ASCII_VECTOR("parallel"))) {
       function->MarkForParallelRecompilation();
     }
   }
 
   return isolate->heap()->undefined_value();
 }
 
 
-RUNTIME_FUNCTION(MaybeObject*, Runtime_NeverOptimize) {
+RUNTIME_FUNCTION(MaybeObject*, Runtime_NeverOptimizeFunction) {
   HandleScope scope(isolate);
-
-  if (args.length() == 0) {
-    // Disable optimization for the calling function.
-    JavaScriptFrameIterator it(isolate);
-    if (!it.done()) {
-      it.frame()->function()->shared()->set_optimization_disabled(true);
-    }
-    return isolate->heap()->undefined_value();
-  }
-
-  // Disable optimization for the functions passed.
-  for (int i = 0; i < args.length(); i++) {
-    CONVERT_ARG_CHECKED(JSFunction, function, i);
-    function->shared()->set_optimization_disabled(true);
-  }
+  ASSERT(args.length() == 1);
+  CONVERT_ARG_CHECKED(JSFunction, function, 0);
+  ASSERT(!function->IsOptimized());
+  function->shared()->set_optimization_disabled(true);
   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 accordingly.
@@ skipping 5530 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