Index: lib/Lex/HeaderSearch.cpp
===================================================================
--- lib/Lex/HeaderSearch.cpp	(revision 222625)
+++ lib/Lex/HeaderSearch.cpp	(working copy)
@@ -954,6 +954,7 @@
                                 const DirectoryEntry *Root,
                                 bool IsSystem) {
   SmallVector<const DirectoryEntry *, 2> FixUpDirectories;
+  return false;
   
   StringRef DirName = FileName;
   do {