Use StringRef's case transformation methods.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143889 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 3 deletions

diff --git a/lib/Basic/FileManager.cpp b/lib/Basic/FileManager.cpp
index c1f715ed05..69e65bc38a 100644
--- a/lib/Basic/FileManager.cpp
+++ b/lib/Basic/FileManager.cpp
@@ -20,7 +20,6 @@
 #include "clang/Basic/FileManager.h"
 #include "clang/Basic/FileSystemStatCache.h"
 #include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/StringExtras.h"
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/raw_ostream.h"
@@ -106,8 +105,8 @@ public:
   FileEntry &getFile(const char *Name, const struct stat & /*StatBuf*/) {
     std::string FullPath(GetFullPath(Name));
 
-    // LowercaseString because Windows filesystem is case insensitive.
-    FullPath = llvm::LowercaseString(FullPath);
+    // Lowercase string because Windows filesystem is case insensitive.
+    FullPath = StringRef(FullPath).lower();
     return UniqueFiles.GetOrCreateValue(FullPath).getValue();
   }