Fix to_boolean type feedback for unary and binary ops

src/hydrogen.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 8142 matching lines @@
     HBasicBlock* if_true = inlined_test_context()->if_true();
     HBasicBlock* if_false = inlined_test_context()->if_false();
 
     HEnterInlined* entry = function_state()->entry();
 
     // Pop the return test context from the expression context stack.
     ASSERT(ast_context() == inlined_test_context());
     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);
     return true;
 
   } else if (function_return()->HasPredecessor()) {
     function_state()->entry()->RegisterReturnTarget(function_return(), zone());
     function_return()->SetJoinId(ast_id);
     set_current_block(function_return());
   } else {
@@ skipping 3400 matching lines @@
     }
   }
 
 #ifdef DEBUG
   if (graph_ != NULL) graph_->Verify(false);  // No full verify.
   if (allocator_ != NULL) allocator_->Verify();
 #endif
 }
 
 } }  // namespace v8::internal