give FileManager a 'FileSystemOptions' ivar, which will be used
to simplify a bunch of code in it.  It should ultimately get inlined
into FileManager.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120007 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/CompilerInstance.cpp b/lib/Frontend/CompilerInstance.cpp
index 6755274..0691770 100644
--- a/lib/Frontend/CompilerInstance.cpp
+++ b/lib/Frontend/CompilerInstance.cpp
@@ -148,7 +148,7 @@
 // File Manager
 
 void CompilerInstance::createFileManager() {
-  FileMgr.reset(new FileManager());
+  FileMgr.reset(new FileManager(getFileSystemOpts()));
 }
 
 // Source Manager