From e3b557809604d036af6e00c60f012c2025b59a5e Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sat, 11 Feb 2023 13:38:04 +0100
Subject: Vendor import of llvm-project main
 llvmorg-16-init-18548-gb0daacf58f41, the last commit before the upstream
 release/17.x branch was created.

---
 llvm/lib/Support/GraphWriter.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'llvm/lib/Support/GraphWriter.cpp')

diff --git a/llvm/lib/Support/GraphWriter.cpp b/llvm/lib/Support/GraphWriter.cpp
index e875e18a7e92..57559ad0830d 100644
--- a/llvm/lib/Support/GraphWriter.cpp
+++ b/llvm/lib/Support/GraphWriter.cpp
@@ -74,7 +74,7 @@ std::string llvm::DOT::EscapeString(const std::string &Label) {
             Str.erase(Str.begin()+i); continue;
           default: break;
         }
-      LLVM_FALLTHROUGH;
+      [[fallthrough]];
     case '{': case '}':
     case '<': case '>':
     case '|': case '"':
@@ -136,14 +136,14 @@ static bool ExecGraphViewer(StringRef ExecPath, std::vector<StringRef> &args,
                             StringRef Filename, bool wait,
                             std::string &ErrMsg) {
   if (wait) {
-    if (sys::ExecuteAndWait(ExecPath, args, None, {}, 0, 0, &ErrMsg)) {
+    if (sys::ExecuteAndWait(ExecPath, args, std::nullopt, {}, 0, 0, &ErrMsg)) {
       errs() << "Error: " << ErrMsg << "\n";
       return true;
     }
     sys::fs::remove(Filename);
     errs() << " done. \n";
   } else {
-    sys::ExecuteNoWait(ExecPath, args, None, {}, 0, &ErrMsg);
+    sys::ExecuteNoWait(ExecPath, args, std::nullopt, {}, 0, &ErrMsg);
     errs() << "Remember to erase graph file: " << Filename << "\n";
   }
   return false;
-- 
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