1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Utils/Debugify.cpp b/llvm/lib/Transforms/Utils/Debugify.cpp
index d814c5e..f4d9bce 100644
--- a/llvm/lib/Transforms/Utils/Debugify.cpp
+++ b/llvm/lib/Transforms/Utils/Debugify.cpp
@@ -27,6 +27,7 @@
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/JSON.h"
+#include <optional>
 
 #define DEBUG_TYPE "debugify"
 
@@ -680,7 +681,7 @@ bool diagnoseMisSizedDbgValue(Module &M, DbgValueInst *DVI) {
 
   Type *Ty = V->getType();
   uint64_t ValueOperandSize = getAllocSizeInBits(M, Ty);
-  Optional<uint64_t> DbgVarSize = DVI->getFragmentSizeInBits();
+  std::optional<uint64_t> DbgVarSize = DVI->getFragmentSizeInBits();
   if (!ValueOperandSize || !DbgVarSize)
     return false;