Always visit branches during HGraph building

src/hydrogen.cc

Index: src/hydrogen.cc
diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index 237e8071463fe5d3f405f9d4b4f60ce43ec804fc..3132e1acda0d650e084d12bcbfb98c94feaae753 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -2769,16 +2769,6 @@ void TestContext::BuildBranch(HValue* value) {
   if (value != NULL && value->CheckFlag(HValue::kIsArguments)) {
     builder->Bailout(kArgumentsObjectValueInATestContext);
   }
-  if (value->IsConstant()) {
-    HConstant* constant_value = HConstant::cast(value);
-    if (constant_value->BooleanValue()) {
-      builder->current_block()->Goto(if_true(), builder->function_state());
-    } else {
-      builder->current_block()->Goto(if_false(), builder->function_state());
-    }
-    builder->set_current_block(NULL);
-    return;
-  }
   HBasicBlock* empty_true = builder->graph()->CreateBasicBlock();
   HBasicBlock* empty_false = builder->graph()->CreateBasicBlock();
   ToBooleanStub::Types expected(condition()->to_boolean_types());