1 files changed, 9 insertions, 4 deletions
diff --git a/grpc/third_party/re2/re2/set.h b/grpc/third_party/re2/re2/set.h
index 59733fd9..8d64f30c 100644
--- a/grpc/third_party/re2/re2/set.h
+++ b/grpc/third_party/re2/re2/set.h
@@ -5,6 +5,7 @@
 #ifndef RE2_SET_H_
 #define RE2_SET_H_
 
+#include <memory>
 #include <string>
 #include <utility>
 #include <vector>
@@ -36,6 +37,13 @@ class RE2::Set {
   Set(const RE2::Options& options, RE2::Anchor anchor);
   ~Set();
 
+  // Not copyable.
+  Set(const Set&) = delete;
+  Set& operator=(const Set&) = delete;
+  // Movable.
+  Set(Set&& other);
+  Set& operator=(Set&& other);
+
   // Adds pattern to the set using the options passed to the constructor.
   // Returns the index that will identify the regexp in the output of Match(),
   // or -1 if the regexp cannot be parsed.
@@ -67,12 +75,9 @@ class RE2::Set {
   RE2::Options options_;
   RE2::Anchor anchor_;
   std::vector<Elem> elem_;
-  re2::Prog* prog_;
   bool compiled_;
   int size_;
-
-  Set(const Set&) = delete;
-  Set& operator=(const Set&) = delete;
+  std::unique_ptr<re2::Prog> prog_;
 };
 
 }  // namespace re2