Encode any deoptimizer entry in serialized data.

src/isolate.cc

 // Copyright 2012 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/isolate.h"
 
 #include <stdlib.h>
 
 #include <fstream>  // NOLINT(readability/streams)
 #include <sstream>
@@ skipping 2788 matching lines @@
   {
     HandleScope scope(this);
     ast_string_constants_ = new AstStringConstants(this, heap()->HashSeed());
   }
 
   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(
-        this, Deoptimizer::LAZY,
-        ExternalReferenceTable::kDeoptTableSerializeEntryCount - 1);
+    for (int i = 0; i <= Deoptimizer::kLastBailoutType; ++i) {
+      Deoptimizer::BailoutType bailout_type =
+          static_cast<Deoptimizer::BailoutType>(i);
+      Deoptimizer::EnsureCodeForDeoptimizationEntry(
+          this, bailout_type, des->max_deopt_entry_id(bailout_type));

[Yang, 2017/03/31 06:58:16]

Can't we create deoptimization entries on demand inside the deserializer?

+    }
   }
 
   if (!serializer_enabled()) {
     // Ensure that all stubs which need to be generated ahead of time, but
     // cannot be serialized into the snapshot have been generated.
     HandleScope scope(this);
     CodeStub::GenerateFPStubs(this);
     StoreBufferOverflowStub::GenerateFixedRegStubsAheadOfTime(this);
     StubFailureTrampolineStub::GenerateAheadOfTime(this);
   }
@@ skipping 909 matching lines @@
   // Then check whether this scope intercepts.
   if ((flag & intercept_mask_)) {
     intercepted_flags_ |= flag;
     return true;
   }
   return false;
 }
 
 }  // namespace internal
 }  // namespace v8