1 files changed, 11 insertions, 0 deletions
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 9555dbf6..691f3b9 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -191,6 +191,17 @@ CompilerInvocationBase::shallow_copy_assign(const CompilerInvocationBase &X) {
   return *this;
 }
 
+CompilerInvocation::CompilerInvocation(const CowCompilerInvocation &X)
+    : CompilerInvocationBase(EmptyConstructor{}) {
+  CompilerInvocationBase::deep_copy_assign(X);
+}
+
+CompilerInvocation &
+CompilerInvocation::operator=(const CowCompilerInvocation &X) {
+  CompilerInvocationBase::deep_copy_assign(X);
+  return *this;
+}
+
 namespace {
 template <typename T>
 T &ensureOwned(std::shared_ptr<T> &Storage) {