1 files changed, 13 insertions, 0 deletions
diff --git a/Source/Checks/cm_cxx17_check.cpp b/Source/Checks/cm_cxx17_check.cpp
index 9ea52c4..593d9b2 100644
--- a/Source/Checks/cm_cxx17_check.cpp
+++ b/Source/Checks/cm_cxx17_check.cpp
@@ -3,6 +3,10 @@
 #include <memory>
 #include <unordered_map>
 
+#ifdef _MSC_VER
+#  include <comdef.h>
+#endif
+
 int main()
 {
   int a[] = { 0, 1, 2 };
@@ -14,5 +18,14 @@ int main()
   auto ci = std::size(a);
 
   std::unique_ptr<int> u(new int(0));
+
+#ifdef _MSC_VER
+  // clang-cl has problems instantiating this constructor in C++17 mode
+  //  error: indirection requires pointer operand ('const _GUID' invalid)
+  //      return *_IID;
+  IUnknownPtr ptr{};
+  IDispatchPtr disp(ptr);
+#endif
+
   return *u + *ai + *(bi - 1) + (3 - static_cast<int>(ci));
 }