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

src/isolate.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 2227 matching lines @@
     StoreBufferOverflowStub::GenerateFixedRegStubsAheadOfTime(this);
     StubFailureTrampolineStub::GenerateAheadOfTime(this);
     // TODO(mstarzinger): The following is an ugly hack to make sure the
     // interface descriptor is initialized even when stubs have been
     // deserialized out of the snapshot without the graph builder.
     FastCloneShallowArrayStub stub(FastCloneShallowArrayStub::CLONE_ELEMENTS,
                                    DONT_TRACK_ALLOCATION_SITE, 0);
     stub.InitializeInterfaceDescriptor(
         this, code_stub_interface_descriptor(CodeStub::FastCloneShallowArray));
     CompareNilICStub::InitializeForIsolate(this);
+    ToBooleanStub::InitializeForIsolate(this);
     ArrayConstructorStubBase::InstallDescriptors(this);
   }
 
   if (FLAG_parallel_recompilation) optimizing_compiler_thread_.Start();
 
   if (FLAG_parallel_marking && FLAG_marking_threads == 0) {
     FLAG_marking_threads = SystemThreadManager::
         NumberOfParallelSystemThreads(
             SystemThreadManager::PARALLEL_MARKING);
   }
@@ skipping 232 matching lines @@
 
 #ifdef DEBUG
 #define ISOLATE_FIELD_OFFSET(type, name, ignored)                       \
 const intptr_t Isolate::name##_debug_offset_ = OFFSET_OF(Isolate, name##_);
 ISOLATE_INIT_LIST(ISOLATE_FIELD_OFFSET)
 ISOLATE_INIT_ARRAY_LIST(ISOLATE_FIELD_OFFSET)
 #undef ISOLATE_FIELD_OFFSET
 #endif
 
 } }  // namespace v8::internal