Subzero. Removes X8664_STACK_HACK from the crosstests.

crosstest/test_bitmanip_main.cpp

 //===- subzero/crosstest/test_bitmanip_main.cpp - Driver for tests. -------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // Driver for cross testing bit manipulation intrinsics.
@@ skipping 93 matching lines @@
         ++Failures;
         std::cout << "test_" << Funcs[f].Name << (CHAR_BIT * sizeof(Type))
                   << "(" << static_cast<uint64>(Value)
                   << "): sz=" << static_cast<uint64>(ResultSz)
                   << " llc=" << static_cast<uint64>(ResultLlc) << "\n";
       }
     }
   }
 }
 
-#ifdef X8664_STACK_HACK
-extern "C" int wrapped_main(int argc, char *argv[]) {
-#else  // !defined(X8664_STACK_HACK)
 int main(int argc, char *argv[]) {
-#endif // X8664_STACK_HACK
   size_t TotalTests = 0;
   size_t Passes = 0;
   size_t Failures = 0;
 
   testBitManip<uint32_t>(TotalTests, Passes, Failures);
   testBitManip<uint64>(TotalTests, Passes, Failures);
   testByteSwap<uint16_t>(TotalTests, Passes, Failures);
   testByteSwap<uint32_t>(TotalTests, Passes, Failures);
   testByteSwap<uint64>(TotalTests, Passes, Failures);
 
   std::cout << "TotalTests=" << TotalTests << " Passes=" << Passes
             << " Failures=" << Failures << "\n";
   return Failures;
 }