Fixes for re-enabling more MSVC level 4 warnings: courgette/ edition

courgette/disassembler_elf_32_arm.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "courgette/disassembler_elf_32_arm.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 197 matching lines @@
       return 2;
     case ARM_OFF11:
       return 2;
     case ARM_OFF24:
       return 4;
     case ARM_OFF25:
       return 4;
     case ARM_OFF21:
       return 4;
     default:
-      return -1;
+      return 0xFFFF;
   }
 }
 
 CheckBool DisassemblerElf32ARM::TypedRVAARM::ComputeRelativeTarget(
     const uint8* op_pointer) {
   arm_op_ = op_pointer;
   switch (type_) {
     case ARM_OFF8:
       // Fall through
     case ARM_OFF11: {
@@ skipping 250 matching lines @@
       // Move 2 bytes at a time, but track 32-bit boundaries
       p += 2;
       on_32bit = ((on_32bit + 1) % 2) != 0;
     }
   }
 
   return true;
 }
 
 }  // namespace courgette