Fix parallel recompilation wrt transition maps dependency.

src/x64/lithium-codegen-x64.cc

Index: src/x64/lithium-codegen-x64.cc
diff --git a/src/x64/lithium-codegen-x64.cc b/src/x64/lithium-codegen-x64.cc
index 2d6e4cba33c6ebf86ea0877451657cc7325fcdd5..26cce633751134b55859c271ef5c30031fa285fe 100644
--- a/src/x64/lithium-codegen-x64.cc
+++ b/src/x64/lithium-codegen-x64.cc
@@ -94,10 +94,6 @@ void LCodeGen::FinishCode(Handle<Code> code) {
   PopulateDeoptimizationData(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);
@@ -4001,9 +3997,6 @@ void LCodeGen::DoStoreNamedField(LStoreNamedField* instr) {
   }
 
   if (!transition.is_null()) {
-    if (transition->CanBeDeprecated()) {
-      transition_maps_.Add(transition, info()->zone());
-    }
     if (!instr->hydrogen()->NeedsWriteBarrierForMap()) {
       __ Move(FieldOperand(object, HeapObject::kMapOffset), transition);
     } else {