Always include debugger support.

src/mips/macro-assembler-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2670 matching lines @@
   BranchAndLink(target);
 }
 
 
 void MacroAssembler::Push(Handle<Object> handle) {
   li(at, Operand(handle));
   push(at);
 }
 
 
-#ifdef ENABLE_DEBUGGER_SUPPORT
-
 void MacroAssembler::DebugBreak() {
   PrepareCEntryArgs(0);
   PrepareCEntryFunction(ExternalReference(Runtime::kDebugBreak, isolate()));
   CEntryStub ces(isolate(), 1);
   ASSERT(AllowThisStubCall(&ces));
   Call(ces.GetCode(), RelocInfo::DEBUG_BREAK);
 }
 
-#endif  // ENABLE_DEBUGGER_SUPPORT
-
 
 // ---------------------------------------------------------------------------
 // Exception handling.
 
 void MacroAssembler::PushTryHandler(StackHandler::Kind kind,
                                     int handler_index) {
   // Adjust this code if not the case.
   STATIC_ASSERT(StackHandlerConstants::kSize == 5 * kPointerSize);
   STATIC_ASSERT(StackHandlerConstants::kNextOffset == 0 * kPointerSize);
   STATIC_ASSERT(StackHandlerConstants::kCodeOffset == 1 * kPointerSize);
@@ skipping 3063 matching lines @@
   }
   if (ms.shift() > 0) sra(result, result, ms.shift());
   srl(at, dividend, 31);
   Addu(result, result, Operand(at));
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS