Fix parallel recompilation wrt transition maps dependency.

src/ia32/lithium-codegen-ia32.cc

 // Copyright 2012 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 93 matching lines @@
   code->set_safepoint_table_offset(safepoints_.GetCodeOffset());
   if (FLAG_weak_embedded_maps_in_optimized_code) {
     RegisterDependentCodeForEmbeddedMaps(code);
   }
   PopulateDeoptimizationData(code);
   if (!info()->IsStub()) {
     Deoptimizer::EnsureRelocSpaceForLazyDeoptimization(code);
   }
   info()->CommitDependentMaps(code);
 
-  for (int i = 0 ; i < transition_maps_.length(); i++) {
-    transition_maps_.at(i)->AddDependentCode(
-        DependentCode::kTransitionGroup, code);
-  }
   if (graph()->depends_on_empty_array_proto_elements()) {
     isolate()->initial_object_prototype()->map()->AddDependentCode(
         DependentCode::kElementsCantBeAddedGroup, code);
     isolate()->initial_array_prototype()->map()->AddDependentCode(
         DependentCode::kElementsCantBeAddedGroup, code);
   }
 }
 
 
 void LCodeGen::Abort(const char* reason) {
@@ skipping 4173 matching lines @@
       CpuFeatureScope scope(masm(), SSE2);
       XMMRegister value = ToDoubleRegister(instr->value());
       __ movdbl(FieldOperand(object, offset), value);
     } else {
       __ fstp_d(FieldOperand(object, offset));
     }
     return;
   }
 
   if (!transition.is_null()) {
-    if (transition->CanBeDeprecated()) {
-      transition_maps_.Add(transition, info()->zone());
-    }
     if (!instr->hydrogen()->NeedsWriteBarrierForMap()) {
       __ mov(FieldOperand(object, HeapObject::kMapOffset), transition);
     } else {
       Register temp = ToRegister(instr->temp());
       Register temp_map = ToRegister(instr->temp_map());
       __ mov(temp_map, transition);
       __ mov(FieldOperand(object, HeapObject::kMapOffset), temp_map);
       // Update the write barrier for the map field.
       __ RecordWriteField(object,
                           HeapObject::kMapOffset,
@@ skipping 2184 matching lines @@
                               FixedArray::kHeaderSize - kPointerSize));
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32