Subzero: Allow builds with assertions disabled.

src/assembler_ia32.h

 // 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.
 //
 //===- subzero/src/assembler_ia32.h - Assembler for x86-32 ----------------===//
 //
 //                        The Subzero Code Generator
 //
@@ skipping 311 matching lines @@
   friend class AssemblerX86;
   Label(const Label &) LLVM_DELETED_FUNCTION;
   Label &operator=(const Label &) LLVM_DELETED_FUNCTION;
 };
 
 class AssemblerX86 : public Assembler {
 public:
   explicit AssemblerX86(bool use_far_branches = false) : buffer_(*this) {
     // This mode is only needed and implemented for MIPS and ARM.
     assert(!use_far_branches);
+    (void)use_far_branches;
   }
   ~AssemblerX86() {}
 
   static const bool kNearJump = true;
   static const bool kFarJump = false;
 
   // Operations to emit GPR instructions (and dispatch on operand type).
   typedef void (AssemblerX86::*TypedEmitGPR)(Type, GPRRegister);
   typedef void (AssemblerX86::*TypedEmitAddr)(Type, const Address &);
   struct GPREmitterOneOp {
@@ skipping 412 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_