diff options
Diffstat (limited to 'clang/tools/libclang/CIndex.cpp')
| -rw-r--r-- | clang/tools/libclang/CIndex.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/clang/tools/libclang/CIndex.cpp b/clang/tools/libclang/CIndex.cpp index 07b7850ef72c..536b4ab00af1 100644 --- a/clang/tools/libclang/CIndex.cpp +++ b/clang/tools/libclang/CIndex.cpp @@ -57,6 +57,7 @@ #include "llvm/Support/raw_ostream.h" #include "llvm/Support/thread.h" #include <mutex> +#include <optional> #if LLVM_ENABLE_THREADS != 0 && defined(__APPLE__) #define USE_DARWIN_THREADS |