Fix to_boolean type feedback for unary and binary ops

src/hydrogen.cc

Index: src/hydrogen.cc
diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index 33557a29f2e77314f0730606c1a0af671648984c..2e09660999d6f11242eecdb51a0cf010063a6d11 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -8160,17 +8160,19 @@ bool HOptimizedGraphBuilder::TryInline(CallKind call_kind,
     ClearInlinedTestContext();
     delete target_state;
 
+    TestContext* test_context = TestContext::cast(ast_context());
+
     // Forward to the real test context.
     if (if_true->HasPredecessor()) {
       entry->RegisterReturnTarget(if_true, zone());
       if_true->SetJoinId(ast_id);
-      HBasicBlock* true_target = TestContext::cast(ast_context())->if_true();
+      HBasicBlock* true_target = test_context->if_true();
       if_true->Goto(true_target, function_state());
     }
     if (if_false->HasPredecessor()) {
       entry->RegisterReturnTarget(if_false, zone());
       if_false->SetJoinId(ast_id);
-      HBasicBlock* false_target = TestContext::cast(ast_context())->if_false();
+      HBasicBlock* false_target = test_context->if_false();
       if_false->Goto(false_target, function_state());
     }
     set_current_block(NULL);