[llvm] Use std::nullopt instead of None in comments (NFC)

This is part of an effort to migrate from llvm::Optional to
std::optional:

https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/tools/llvm-objdump/llvm-objdump.cpp b/llvm/tools/llvm-objdump/llvm-objdump.cpp
index 228e094..422e6e5 100644
--- a/llvm/tools/llvm-objdump/llvm-objdump.cpp
+++ b/llvm/tools/llvm-objdump/llvm-objdump.cpp
@@ -1271,7 +1271,7 @@ static void createFakeELFSections(ObjectFile &Obj) {
 }
 
 // Tries to fetch a more complete version of the given object file using its
-// Build ID. Returns None if nothing was found.
+// Build ID. Returns std::nullopt if nothing was found.
 static std::optional<OwningBinary<Binary>>
 fetchBinaryByBuildID(const ObjectFile &Obj) {
   std::optional<object::BuildIDRef> BuildID = getBuildID(&Obj);