[stubs] Introduce a proper ToBooleanStub.

src/crankshaft/hydrogen-osr.cc

 // Copyright 2013 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/crankshaft/hydrogen-osr.h"
 
 #include "src/crankshaft/hydrogen.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 12 matching lines @@
 
   // only one OSR point per compile is allowed.
   DCHECK(graph->osr() == NULL);
 
   // remember this builder as the one OSR builder in the graph.
   graph->set_osr(this);
 
   HBasicBlock* non_osr_entry = graph->CreateBasicBlock();
   osr_entry_ = graph->CreateBasicBlock();
   HValue* true_value = graph->GetConstantTrue();
-  HBranch* test = builder_->New<HBranch>(true_value, ToBooleanStub::Types(),
+  HBranch* test = builder_->New<HBranch>(true_value, ToBooleanICStub::Types(),
                                          non_osr_entry, osr_entry_);
   builder_->FinishCurrentBlock(test);
 
   HBasicBlock* loop_predecessor = graph->CreateBasicBlock();
   builder_->Goto(non_osr_entry, loop_predecessor);
 
   builder_->set_current_block(osr_entry_);
   osr_entry_->set_osr_entry();
   BailoutId osr_entry_id = statement->OsrEntryId();
 
@@ skipping 51 matching lines @@
   for (int j = 0; j < phis->length(); j++) {
     HPhi* phi = phis->at(j);
     if (phi->HasMergedIndex()) {
       osr_values_->at(phi->merged_index())->set_incoming_value(phi);
     }
   }
 }
 
 }  // namespace internal
 }  // namespace v8