summaryrefslogtreecommitdiff
path: root/clang/lib/Sema/SemaTemplateDeduction.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'clang/lib/Sema/SemaTemplateDeduction.cpp')
-rw-r--r--clang/lib/Sema/SemaTemplateDeduction.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/clang/lib/Sema/SemaTemplateDeduction.cpp b/clang/lib/Sema/SemaTemplateDeduction.cpp
index c77b0afdba3d..4a5305a54889 100644
--- a/clang/lib/Sema/SemaTemplateDeduction.cpp
+++ b/clang/lib/Sema/SemaTemplateDeduction.cpp
@@ -54,6 +54,7 @@
#include "llvm/Support/ErrorHandling.h"
#include <algorithm>
#include <cassert>
+#include <optional>
#include <tuple>
#include <type_traits>
#include <utility>