Enhance address mode recovery

unittest/AssemblerX8632/TestUtil.h

 //===- subzero/unittest/unittest/AssemblerX8632/TestUtil.h ------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // Utility classes for testing the X8632 Assembler.
@@ skipping 733 matching lines @@
   }
 
   // Allocates a new dqword slot in the test's scratchpad area.
   uint32_t allocateDqword() {
     uint32_t InitialDword = allocateQword();
     allocateQword();
     return InitialDword;
   }
 
   Address dwordAddress(uint32_t Dword) {
-    return Address(GPRRegister::Encoded_Reg_ebp, dwordDisp(Dword));
+    return Address(GPRRegister::Encoded_Reg_ebp, dwordDisp(Dword), nullptr);
   }
 
 private:
   // e??SlotAddress returns an AssemblerX8632::Traits::Address that can be used
   // by the test cases to encode an address operand for accessing the slot for
   // the specified register. These are all private for, when jitting the test
   // code, tests should not tamper with these values. Besides, during the test
   // execution these slots' contents are undefined and should not be accessed.
   Address eaxSlotAddress() { return dwordAddress(AssembledTest::EaxSlot); }
   Address ebxSlotAddress() { return dwordAddress(AssembledTest::EbxSlot); }
@@ skipping 75 matching lines @@
 
   bool NeedsEpilogue;
   uint32_t NumAllocatedDwords;
 };
 
 } // end of namespace Test
 } // end of namespace X8632
 } // end of namespace Ice
 
 #endif // ASSEMBLERX8632_TESTUTIL_H_