Get more debugging data when crashing in Deoptimizer::GetOutputInfo.

src/deoptimizer.cc

 // Copyright 2013 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/accessors.h"
 #include "src/codegen.h"
 #include "src/cpu-profiler.h"
 #include "src/deoptimizer.h"
@@ skipping 705 matching lines @@
   for (int i = 0; i < length; i++) {
     if (data->AstId(i) == id) {
       return data->PcAndState(i)->value();
     }
   }
   OFStream os(stderr);
   os << "[couldn't find pc offset for node=" << id.ToInt() << "]\n"
      << "[method: " << shared->DebugName()->ToCString().get() << "]\n"
      << "[source:\n" << SourceCodeOf(shared) << "\n]" << std::endl;
 
+  shared->GetHeap()->isolate()->PushStackTraceAndDie(0xfefefefe, data, shared,
+                                                     0xfefefeff);
   FATAL("unable to find pc offset during deoptimization");
   return -1;
 }
 
 
 int Deoptimizer::GetDeoptimizedCodeCount(Isolate* isolate) {
   int length = 0;
   // Count all entries in the deoptimizing code list of every context.
   Object* context = isolate->heap()->native_contexts_list();
   while (!context->IsUndefined()) {
@@ skipping 3069 matching lines @@
       int raw_position = static_cast<int>(info->data());
       last_position = raw_position ? SourcePosition::FromRaw(raw_position)
                                    : SourcePosition::Unknown();
     } else if (info->rmode() == RelocInfo::DEOPT_REASON) {
       last_reason = static_cast<Deoptimizer::DeoptReason>(info->data());
     }
   }
   return DeoptInfo(SourcePosition::Unknown(), NULL, Deoptimizer::kNoReason);
 }
 } }  // namespace v8::internal