Subzero: Support multiple fixups in one instruction.

src/assembler_ia32.h

 //===- subzero/src/assembler_ia32.h - Assembler for x86-32 ------*- C++ -*-===//
 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 //
 // Modified by the Subzero authors.
 //
 //===----------------------------------------------------------------------===//
 //
 //                        The Subzero Code Generator
@@ skipping 812 matching lines @@
 
   void FinalizeInstructions(const MemoryRegion &region) {
     buffer_.FinalizeInstructions(region);
   }
 
   // Expose the buffer, for bringup...
   intptr_t GetPosition() const { return buffer_.GetPosition(); }
   template <typename T> T LoadBuffer(intptr_t position) const {
     return buffer_.Load<T>(position);
   }
-  AssemblerFixup *GetLatestFixup() const { return buffer_.GetLatestFixup(); }
+  AssemblerFixup *GetLatestFixup(intptr_t position) const {
+    return buffer_.GetLatestFixup(position);
+  }
 
 private:
   inline void EmitUint8(uint8_t value);
   inline void EmitInt16(int16_t value);
   inline void EmitInt32(int32_t value);
   inline void EmitRegisterOperand(int rm, int reg);
   inline void EmitXmmRegisterOperand(int rm, XmmRegister reg);
   inline void EmitFixup(AssemblerFixup *fixup);
   inline void EmitOperandSizeOverride();
 
@@ skipping 46 matching lines @@
 inline void AssemblerX86::EmitFixup(AssemblerFixup *fixup) {
   buffer_.EmitFixup(fixup);
 }
 
 inline void AssemblerX86::EmitOperandSizeOverride() { EmitUint8(0x66); }
 
 } // end of namespace x86
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ASSEMBLER_IA32_H_