Enable stub generation using Hydrogen/Lithium (again)

src/isolate.cc

Index: src/isolate.cc
diff --git a/src/isolate.cc b/src/isolate.cc
index 85ae32ac4ebeab0dcdc85cbfd3133798e6d35c67..15a1a9c799fe6438fcfb1bddc4b4b1b2a080a593 100644
--- a/src/isolate.cc
+++ b/src/isolate.cc
@@ -2004,6 +2004,8 @@ bool Isolate::Init(Deserializer* des) {
   debug_->SetUp(create_heap_objects);
 #endif
 
+  deoptimizer_data_ = new DeoptimizerData;
+
   // If we are deserializing, read the state into the now-empty heap.
   if (!create_heap_objects) {
     des->Deserialize();
@@ -2022,7 +2024,6 @@ bool Isolate::Init(Deserializer* des) {
   // Quiet the heap NaN if needed on target platform.
   if (!create_heap_objects) Assembler::QuietNaN(heap_.nan_value());
 
-  deoptimizer_data_ = new DeoptimizerData;
   runtime_profiler_ = new RuntimeProfiler(this);
   runtime_profiler_->SetUp();
 
@@ -2044,6 +2045,17 @@ bool Isolate::Init(Deserializer* des) {
 
   state_ = INITIALIZED;
   time_millis_at_init_ = OS::TimeCurrentMillis();
+
+  if (!create_heap_objects) {
+    // Now that the heap is consistent, it's OK to generate the code for the
+    // deopt entry table that might have been referred to by optimized code in
+    // the snapshot.
+    HandleScope scope(this);
+    Deoptimizer::EnsureCodeForDeoptimizationEntry(
+        Deoptimizer::LAZY,
+        kDeoptTableSerializeEntryCount - 1);
+  }
+
   if (FLAG_parallel_recompilation) optimizing_compiler_thread_.Start();
   return true;
 }