[turbofan] Fix bug in OSR deconstruction.

src/runtime/runtime-test.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/arguments.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen.h"
 #include "src/natives.h"
@@ skipping 93 matching lines @@
       function->AttemptConcurrentOptimization();
     }
   }
 
   return isolate->heap()->undefined_value();
 }
 
 
 RUNTIME_FUNCTION(Runtime_OptimizeOsr) {
   HandleScope scope(isolate);
-  RUNTIME_ASSERT(args.length() == 0);
+  RUNTIME_ASSERT(args.length() == 0 || args.length() == 1);
   Handle<JSFunction> function = Handle<JSFunction>::null();
 
-  {
+  if (args.length() == 0) {
     // Find the JavaScript function on the top of the stack.
     JavaScriptFrameIterator it(isolate);
     while (!it.done()) {
       if (it.frame()->is_java_script()) {
         function = Handle<JSFunction>(it.frame()->function());
         break;
       }
     }
     if (function.is_null()) return isolate->heap()->undefined_value();
+  } else {
+    // Function was passed as an argument.
+    CONVERT_ARG_HANDLE_CHECKED(JSFunction, arg, 0);
+    function = arg;
   }
 
   // The following assertion was lifted from the DCHECK inside
   // JSFunction::MarkForOptimization().
   RUNTIME_ASSERT(function->shared()->allows_lazy_compilation() ||
                  (function->code()->kind() == Code::FUNCTION &&
                   function->code()->optimizable()));
 
   if (!isolate->use_crankshaft()) return isolate->heap()->undefined_value();
 
@@ skipping 330 matching lines @@
   RUNTIME_FUNCTION(Runtime_HasFixed##Type##Elements) {                        \
     CONVERT_ARG_CHECKED(JSObject, obj, 0);                                    \
     return isolate->heap()->ToBoolean(obj->HasFixed##Type##Elements());       \
   }
 
 TYPED_ARRAYS(FIXED_TYPED_ARRAYS_CHECK_RUNTIME_FUNCTION)
 
 #undef FIXED_TYPED_ARRAYS_CHECK_RUNTIME_FUNCTION
 }
 }  // namespace v8::internal