Improve static type information in (constant SHL smi) computation.

src/x64/codegen-x64.cc

 // Copyright 2010 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 6540 matching lines @@
 
         answer = allocator()->Allocate();
         DeferredInlineSmiOperationReversed* deferred =
             new DeferredInlineSmiOperationReversed(op,
                                                    answer.reg(),
                                                    smi_value,
                                                    right.reg(),
                                                    overwrite_mode);
         __ movq(answer.reg(), Immediate(int_value));
         __ SmiToInteger32(rcx, rcx);
-        if (!right.type_info().IsSmi()) {
+        if (!right_type_info.IsSmi()) {
           Condition is_smi = masm_->CheckSmi(right.reg());
           deferred->Branch(NegateCondition(is_smi));
         } else if (FLAG_debug_code) {
           __ AbortIfNotSmi(right.reg(),
               "Static type info claims non-smi is smi in (const SHL smi).");
         }
         __ shl_cl(answer.reg());
         __ Integer32ToSmi(answer.reg(), answer.reg());
 
         deferred->BindExit();
@@ skipping 4834 matching lines @@
   // Call the function from C++.
   return FUNCTION_CAST<ModuloFunction>(buffer);
 }
 
 #endif
 
 
 #undef __
 
 } }  // namespace v8::internal