diff --git a/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.construct/construct_at.pass.cpp b/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.construct/construct_at.pass.cpp
--- a/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.construct/construct_at.pass.cpp
+++ b/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.construct/construct_at.pass.cpp
@@ -7,6 +7,8 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
+// constexpr destructors are only supported starting with clang 10
+// UNSUPPORTED: clang-5, clang-6, clang-7, clang-8, clang-9
 
 // Investigation needed
 // UNSUPPORTED: gcc
diff --git a/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/destroy.pass.cpp b/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/destroy.pass.cpp
--- a/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/destroy.pass.cpp
+++ b/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/destroy.pass.cpp
@@ -7,6 +7,8 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14
+// constexpr destructors are only supported starting with clang 10
+// UNSUPPORTED: clang-5, clang-6, clang-7, clang-8, clang-9
 
 // <memory>
 
diff --git a/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/destroy_at.pass.cpp b/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/destroy_at.pass.cpp
--- a/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/destroy_at.pass.cpp
+++ b/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/destroy_at.pass.cpp
@@ -7,6 +7,8 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14
+// constexpr destructors are only supported starting with clang 10
+// UNSUPPORTED: clang-5, clang-6, clang-7, clang-8, clang-9
 
 // <memory>
 
diff --git a/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/destroy_n.pass.cpp b/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/destroy_n.pass.cpp
--- a/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/destroy_n.pass.cpp
+++ b/libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/destroy_n.pass.cpp
@@ -7,6 +7,8 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14
+// constexpr destructors are only supported starting with clang 10
+// UNSUPPORTED: clang-5, clang-6, clang-7, clang-8, clang-9
 
 // <memory>