Convert FileOutputBuffer to Expected. NFC.

llvm-svn: 317649
diff --git a/llvm/tools/llvm-cvtres/llvm-cvtres.cpp b/llvm/tools/llvm-cvtres/llvm-cvtres.cpp
index 36c1592..433a75f 100644
--- a/llvm/tools/llvm-cvtres/llvm-cvtres.cpp
+++ b/llvm/tools/llvm-cvtres/llvm-cvtres.cpp
@@ -202,7 +202,7 @@
   auto FileOrErr =
       FileOutputBuffer::create(OutputFile, OutputBuffer->getBufferSize());
   if (!FileOrErr)
-    reportError(OutputFile, FileOrErr.getError());
+    reportError(OutputFile, errorToErrorCode(FileOrErr.takeError()));
   std::unique_ptr<FileOutputBuffer> FileBuffer = std::move(*FileOrErr);
   std::copy(OutputBuffer->getBufferStart(), OutputBuffer->getBufferEnd(),
             FileBuffer->getBufferStart());
diff --git a/llvm/tools/llvm-mt/llvm-mt.cpp b/llvm/tools/llvm-mt/llvm-mt.cpp
index 9bc9d33..23cedb0 100644
--- a/llvm/tools/llvm-mt/llvm-mt.cpp
+++ b/llvm/tools/llvm-mt/llvm-mt.cpp
@@ -146,10 +146,10 @@
   std::unique_ptr<MemoryBuffer> OutputBuffer = Merger.getMergedManifest();
   if (!OutputBuffer)
     reportError("empty manifest not written");
-  ErrorOr<std::unique_ptr<FileOutputBuffer>> FileOrErr =
+  Expected<std::unique_ptr<FileOutputBuffer>> FileOrErr =
       FileOutputBuffer::create(OutputFile, OutputBuffer->getBufferSize());
   if (!FileOrErr)
-    reportError(OutputFile, FileOrErr.getError());
+    reportError(OutputFile, errorToErrorCode(FileOrErr.takeError()));
   std::unique_ptr<FileOutputBuffer> FileBuffer = std::move(*FileOrErr);
   std::copy(OutputBuffer->getBufferStart(), OutputBuffer->getBufferEnd(),
             FileBuffer->getBufferStart());
diff --git a/llvm/tools/llvm-objcopy/llvm-objcopy.cpp b/llvm/tools/llvm-objcopy/llvm-objcopy.cpp
index 5a09f8f..b6fef6f 100644
--- a/llvm/tools/llvm-objcopy/llvm-objcopy.cpp
+++ b/llvm/tools/llvm-objcopy/llvm-objcopy.cpp
@@ -113,10 +113,10 @@
 template <class ELFT>
 void WriteObjectFile(const Object<ELFT> &Obj, StringRef File) {
   std::unique_ptr<FileOutputBuffer> Buffer;
-  ErrorOr<std::unique_ptr<FileOutputBuffer>> BufferOrErr =
+  Expected<std::unique_ptr<FileOutputBuffer>> BufferOrErr =
       FileOutputBuffer::create(File, Obj.totalSize(),
                                FileOutputBuffer::F_executable);
-  if (BufferOrErr.getError())
+  if (BufferOrErr.takeError())
     error("failed to open " + OutputFilename);
   else
     Buffer = std::move(*BufferOrErr);