don't allow remapping PTH file paths with -fworking-directory, the
client should just pass in absolute paths.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120012 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/PTHLexer.cpp b/lib/Lex/PTHLexer.cpp
index 23ff3f4..08de3a8 100644
--- a/lib/Lex/PTHLexer.cpp
+++ b/lib/Lex/PTHLexer.cpp
@@ -434,10 +434,9 @@
   Diags.Report(Diags.getCustomDiagID(Diagnostic::Error, Msg));
 }
 
-PTHManager *PTHManager::Create(const std::string &file, FileManager &FileMgr,
-                               Diagnostic &Diags) {
+PTHManager *PTHManager::Create(const std::string &file, Diagnostic &Diags) {
   // Memory map the PTH file.
-  llvm::OwningPtr<llvm::MemoryBuffer> File(FileMgr.getBufferForFile(file));
+  llvm::OwningPtr<llvm::MemoryBuffer> File(llvm::MemoryBuffer::getFile(file));
 
   if (!File) {
     Diags.Report(diag::err_invalid_pth_file) << file;