Temporarily skip escape analysis when compiling for OSR.

src/hydrogen-escape-analysis.cc

 // Copyright 2013 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 288 matching lines @@
     // Perform actual analysis steps.
     AnalyzeDataFlow(allocate);
 
     cumulative_values_ += number_of_values_;
     ASSERT(allocate->HasNoUses());
     ASSERT(!allocate->IsLinked());
   }
 }
 
 
+void HEscapeAnalysisPhase::Run() {
+  // TODO(mstarzinger): We disable escape analysis with OSR for now, because
+  // spill slots might be uninitialized. Needs investigation.
+  if (graph()->has_osr()) return;
+  CollectCapturedValues();
+  PerformScalarReplacement();
+}
+
+
 } }  // namespace v8::internal