From a588917c3b761f89bafdd29723032a8c657e7142 Mon Sep 17 00:00:00 2001
From: Eric Christopher <echristo@gmail.com>
Date: Fri, 12 Apr 2019 03:49:13 +0000
Subject: [PATCH] Move a couple of optional references to just optional to make
 the forwarding APIs look similar.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@358250 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/MC/MCDwarf.h | 4 ++--
 lib/MC/MCDwarf.cpp        | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/llvm/MC/MCDwarf.h b/include/llvm/MC/MCDwarf.h
index 5b972109eb4..63040cb194e 100644
--- a/include/llvm/MC/MCDwarf.h
+++ b/include/llvm/MC/MCDwarf.h
@@ -224,7 +224,7 @@ public:
 
   Expected<unsigned> tryGetFile(StringRef &Directory, StringRef &FileName,
                                 Optional<MD5::MD5Result> Checksum,
-                                Optional<StringRef> &Source,
+                                Optional<StringRef> Source,
                                 unsigned FileNumber = 0);
   std::pair<MCSymbol *, MCSymbol *>
   Emit(MCStreamer *MCOS, MCDwarfLineTableParams Params,
@@ -293,7 +293,7 @@ public:
                                 Optional<StringRef> Source,
                                 unsigned FileNumber = 0);
   unsigned getFile(StringRef &Directory, StringRef &FileName,
-                   Optional<MD5::MD5Result> Checksum, Optional<StringRef> &Source,
+                   Optional<MD5::MD5Result> Checksum, Optional<StringRef> Source,
                    unsigned FileNumber = 0) {
     return cantFail(tryGetFile(Directory, FileName, Checksum, Source,
                                FileNumber));
diff --git a/lib/MC/MCDwarf.cpp b/lib/MC/MCDwarf.cpp
index ebc45f4c427..a95d97b70d9 100644
--- a/lib/MC/MCDwarf.cpp
+++ b/lib/MC/MCDwarf.cpp
@@ -546,7 +546,7 @@ Expected<unsigned>
 MCDwarfLineTableHeader::tryGetFile(StringRef &Directory,
                                    StringRef &FileName,
                                    Optional<MD5::MD5Result> Checksum,
-                                   Optional<StringRef> &Source,
+                                   Optional<StringRef> Source,
                                    unsigned FileNumber) {
   if (Directory == CompilationDir)
     Directory = "";
-- 
2.40.0