Convert ToBooleanStub to a HydrogenStub. Currently just using HBranch, which is still fully impleme…

src/code-stubs.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 554 matching lines @@
   if (RecordCallTarget()) stream->Add("_Recording");
 }
 
 
 void CallConstructStub::PrintName(StringStream* stream) {
   stream->Add("CallConstructStub");
   if (RecordCallTarget()) stream->Add("_Recording");
 }
 
 
+bool ToBooleanStub::Record(Handle<Object> object) {
+  Types old_types(types_);
+  bool to_boolean_value = types_.Record(object);
+  old_types.TraceTransition(types_);
+  return to_boolean_value;
+}
+
+
 void ToBooleanStub::PrintName(StringStream* stream) {
   stream->Add("ToBooleanStub_");
   types_.Print(stream);
 }
 
 
 void ToBooleanStub::Types::Print(StringStream* stream) const {
   stream->Add("(");
   SimpleListPrinter printer(stream);
   if (IsEmpty()) printer.Add("None");
@@ skipping 178 matching lines @@
   } else if (argument_count >= 2) {
     argument_count_ = MORE_THAN_ONE;
   } else {
     UNREACHABLE();
   }
   ArrayConstructorStubBase::GenerateStubsAheadOfTime(isolate);
 }
 
 
 } }  // namespace v8::internal