Add support for the VS2017 built binaries.

syzygy/pdb/pdb_data.cc

 // Copyright 2011 Google Inc. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 12 matching lines @@
   switch (type) {
     case TYPE_ABSOLUTE:
     case TYPE_RELATIVE:
     case TYPE_PC_RELATIVE: {
       // Ensure that no unknown flags are set.
       return (flags & FLAG_UNKNOWN) == 0;
     }
 
     case TYPE_OFFSET_32BIT:
     case TYPE_OFFSET_8BIT: {
-      // We've only ever seen offset fixups without flags.
-      return flags == 0;
+      return (flags & ~FLAG_OFFSET_32BIT_VS2017) == 0;
     }
 
     default: {
       return false;
     }
   }
 }
 
 size_t PdbFixup::size() const {
   switch (type) {
@@ skipping 10 matching lines @@
 
   return 0;
 }
 
 bool PdbFixup::is_offset() const {
   return type == TYPE_OFFSET_32BIT ||
       type == TYPE_OFFSET_8BIT;
 }
 
 }  // namespace pdb