diff --git a/lib/Basic/SourceManager.cpp b/lib/Basic/SourceManager.cpp
index d7d2c84..7534ac4 100644
--- a/lib/Basic/SourceManager.cpp
+++ b/lib/Basic/SourceManager.cpp
@@ -75,14 +75,15 @@
 /// include position.  This works regardless of whether the ContentCache
 /// corresponds to a file or some other input source.
 unsigned SourceManager::createFileID(const ContentCache *File,
-                                     SourceLocation IncludePos) {
+                                     SourceLocation IncludePos,
+                                     bool isSysHeader) {
   // If FileEnt is really large (e.g. it's a large .i file), we may not be able
   // to fit an arbitrary position in the file in the FilePos field.  To handle
   // this, we create one FileID for each chunk of the file that fits in a
   // FilePos field.
   unsigned FileSize = File->Buffer->getBufferSize();
   if (FileSize+1 < (1 << SourceLocation::FilePosBits)) {
-    FileIDs.push_back(FileIDInfo::get(IncludePos, 0, File));
+    FileIDs.push_back(FileIDInfo::get(IncludePos, 0, File, isSysHeader));
     assert(FileIDs.size() < (1 << SourceLocation::FileIDBits) &&
            "Ran out of file ID's!");
     return FileIDs.size();
@@ -93,7 +94,8 @@
 
   unsigned ChunkNo = 0;
   while (1) {
-    FileIDs.push_back(FileIDInfo::get(IncludePos, ChunkNo++, File));
+    FileIDs.push_back(FileIDInfo::get(IncludePos, ChunkNo++, File,
+                                      isSysHeader));
 
     if (FileSize+1 < (1 << SourceLocation::FilePosBits)) break;
     FileSize -= (1 << SourceLocation::FilePosBits);