1 files changed, 5 insertions, 1 deletions
diff --git a/test/libcxx/language.support/support.dynamic/new_faligned_allocation.sh.cpp b/test/libcxx/language.support/support.dynamic/new_faligned_allocation.sh.cpp
index 04b40009cda9..8c17aabd640a 100644
--- a/test/libcxx/language.support/support.dynamic/new_faligned_allocation.sh.cpp
+++ b/test/libcxx/language.support/support.dynamic/new_faligned_allocation.sh.cpp
@@ -10,6 +10,10 @@
 // test libc++'s implementation of align_val_t, and the relevent new/delete
 // overloads in all dialects when -faligned-allocation is present.
 
+// Libc++ defers to the underlying MSVC library to provide the new/delete
+// definitions, which does not yet provide aligned allocation
+// XFAIL: LIBCXX-WINDOWS-FIXME
+
 // REQUIRES: -faligned-allocation
 
 // RUN: %build -faligned-allocation
@@ -74,4 +78,4 @@ int main() {
     assert(typeid(std::align_val_t).name() == std::string("St11align_val_t"));
   }
 #endif
-}
-\ No newline at end of file
+}