Subzero. Removes X8664_STACK_HACK from the crosstests.

crosstest/test_icmp_main.cpp

 //===- subzero/crosstest/test_icmp_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 the icmp bitcode instruction
@@ skipping 332 matching lines @@
                     << vectAsString<T>(Value1) << "," << vectAsString<T>(Value2)
                     << "): sz=" << vectAsString<T>(ResultSz)
                     << " llc=" << vectAsString<T>(ResultLlc) << "\n";
         }
       }
     }
   }
 #endif // !ARM32
 }
 
-#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;
 
   testsInt<uint8_t, myint8_t>(TotalTests, Passes, Failures);
   testsInt<uint16_t, int16_t>(TotalTests, Passes, Failures);
   testsInt<uint32_t, int32_t>(TotalTests, Passes, Failures);
   testsInt<uint64, int64>(TotalTests, Passes, Failures);
   testsIntWithZero<uint8_t, myint8_t>(TotalTests, Passes, Failures);
   testsIntWithZero<uint16_t, int16_t>(TotalTests, Passes, Failures);
   testsIntWithZero<uint32_t, int32_t>(TotalTests, Passes, Failures);
   testsIntWithZero<uint64, int64>(TotalTests, Passes, Failures);
   testsVecInt<v4ui32, v4si32>(TotalTests, Passes, Failures);
   testsVecInt<v8ui16, v8si16>(TotalTests, Passes, Failures);
   testsVecInt<v16ui8, v16si8>(TotalTests, Passes, Failures);
   testsVecI1<v4i1>(TotalTests, Passes, Failures);
   testsVecI1<v8i1>(TotalTests, Passes, Failures);
   testsVecI1<v16i1>(TotalTests, Passes, Failures);
 
   std::cout << "TotalTests=" << TotalTests << " Passes=" << Passes
             << " Failures=" << Failures << "\n";
   return Failures;
 }