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/FileUtilities.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

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

diff --git a/llvm/lib/Support/FileUtilities.cpp b/llvm/lib/Support/FileUtilities.cpp
index eda3eb044901..d01a41a46489 100644
--- a/llvm/lib/Support/FileUtilities.cpp
+++ b/llvm/lib/Support/FileUtilities.cpp
@@ -19,6 +19,7 @@
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/Process.h"
 #include "llvm/Support/raw_ostream.h"
+#include <cmath>
 #include <cstdint>
 #include <cstdlib>
 #include <cstring>
@@ -340,7 +341,7 @@ FilePermissionsApplier::create(StringRef InputFilename) {
 
 Error FilePermissionsApplier::apply(
     StringRef OutputFilename, bool CopyDates,
-    Optional<sys::fs::perms> OverwritePermissions) {
+    std::optional<sys::fs::perms> OverwritePermissions) {
   sys::fs::file_status Status = InputStatus;
 
   if (OverwritePermissions)
-- 
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