summaryrefslogtreecommitdiff
path: root/clang/unittests/Lex/PPDependencyDirectivesTest.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'clang/unittests/Lex/PPDependencyDirectivesTest.cpp')
-rw-r--r--clang/unittests/Lex/PPDependencyDirectivesTest.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/clang/unittests/Lex/PPDependencyDirectivesTest.cpp b/clang/unittests/Lex/PPDependencyDirectivesTest.cpp
index 542fe73301cf..840821a21d0b 100644
--- a/clang/unittests/Lex/PPDependencyDirectivesTest.cpp
+++ b/clang/unittests/Lex/PPDependencyDirectivesTest.cpp
@@ -21,6 +21,7 @@
#include "clang/Lex/PreprocessorOptions.h"
#include "llvm/Testing/Support/Error.h"
#include "gtest/gtest.h"
+#include <optional>
using namespace clang;