diff --git a/libcxx/test/libcxx/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_piecewise_pair.pass.cpp b/libcxx/test/libcxx/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_piecewise_pair.pass.cpp
index c571297eb5b2..ba4e62a3a2c0 100644
--- a/libcxx/test/libcxx/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_piecewise_pair.pass.cpp
+++ b/libcxx/test/libcxx/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_piecewise_pair.pass.cpp
@@ -8,6 +8,9 @@
 
 // UNSUPPORTED: c++03, c++11, c++14
 
+// test_memory_resource requires RTTI for dynamic_cast
+// UNSUPPORTED: no-rtti
+
 // <memory_resource>
 
 // template <class T> class polymorphic_allocator
diff --git a/libcxx/test/std/utilities/memory/allocator.uses/allocator.uses.construction/make_obj_using_allocator.pass.cpp b/libcxx/test/std/utilities/memory/allocator.uses/allocator.uses.construction/make_obj_using_allocator.pass.cpp
index faafcd0dd990..1f605140b4de 100644
--- a/libcxx/test/std/utilities/memory/allocator.uses/allocator.uses.construction/make_obj_using_allocator.pass.cpp
+++ b/libcxx/test/std/utilities/memory/allocator.uses/allocator.uses.construction/make_obj_using_allocator.pass.cpp
@@ -11,6 +11,9 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 
+// test_memory_resource requires RTTI for dynamic_cast
+// UNSUPPORTED: no-rtti
+
 #include <concepts>
 #include <memory>
 #include <tuple>
diff --git a/libcxx/test/std/utilities/memory/allocator.uses/allocator.uses.construction/uninitialized_construct_using_allocator.pass.cpp b/libcxx/test/std/utilities/memory/allocator.uses/allocator.uses.construction/uninitialized_construct_using_allocator.pass.cpp
index 1bafed0a798a..07260e540d95 100644
--- a/libcxx/test/std/utilities/memory/allocator.uses/allocator.uses.construction/uninitialized_construct_using_allocator.pass.cpp
+++ b/libcxx/test/std/utilities/memory/allocator.uses/allocator.uses.construction/uninitialized_construct_using_allocator.pass.cpp
@@ -11,6 +11,9 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 
+// test_memory_resource requires RTTI for dynamic_cast
+// UNSUPPORTED: no-rtti
+
 #include <concepts>
 #include <memory>
 #include <tuple>
diff --git a/libcxx/test/std/utilities/memory/allocator.uses/allocator.uses.construction/uses_allocator_construction_args.pass.cpp b/libcxx/test/std/utilities/memory/allocator.uses/allocator.uses.construction/uses_allocator_construction_args.pass.cpp
index 0677d7ffd1c5..739278e74dda 100644
--- a/libcxx/test/std/utilities/memory/allocator.uses/allocator.uses.construction/uses_allocator_construction_args.pass.cpp
+++ b/libcxx/test/std/utilities/memory/allocator.uses/allocator.uses.construction/uses_allocator_construction_args.pass.cpp
@@ -11,6 +11,9 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 
+// test_memory_resource requires RTTI for dynamic_cast
+// UNSUPPORTED: no-rtti
+
 #include <concepts>
 #include <memory>
 #include <tuple>
diff --git a/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.ctor/default.pass.cpp b/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.ctor/default.pass.cpp
index c12a15255baf..02a02c9cb117 100644
--- a/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.ctor/default.pass.cpp
+++ b/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.ctor/default.pass.cpp
@@ -10,6 +10,9 @@
 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}}
 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx{{11.0|12.0}}
 
+// test_memory_resource requires RTTI for dynamic_cast
+// UNSUPPORTED: no-rtti
+
 // <memory_resource>
 
 // template <class T> class polymorphic_allocator
diff --git a/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.ctor/memory_resource_convert.pass.cpp b/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.ctor/memory_resource_convert.pass.cpp
index f34b62e58ffa..84b5ee11dce4 100644
--- a/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.ctor/memory_resource_convert.pass.cpp
+++ b/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.ctor/memory_resource_convert.pass.cpp
@@ -8,6 +8,9 @@
 
 // UNSUPPORTED: c++03, c++11, c++14
 
+// test_memory_resource requires RTTI for dynamic_cast
+// UNSUPPORTED: no-rtti
+
 // <memory_resource>
 
 // template <class T> class polymorphic_allocator
diff --git a/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.eq/equal.pass.cpp b/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.eq/equal.pass.cpp
index acb0fdea0acb..f291489c68d9 100644
--- a/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.eq/equal.pass.cpp
+++ b/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.eq/equal.pass.cpp
@@ -10,6 +10,9 @@
 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}}
 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx{{11.0|12.0}}
 
+// test_memory_resource requires RTTI for dynamic_cast
+// UNSUPPORTED: no-rtti
+
 // <memory_resource>
 
 // template <class T> class polymorphic_allocator;
diff --git a/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.eq/not_equal.pass.cpp b/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.eq/not_equal.pass.cpp
index 983a28c1b647..96742fc7e4f2 100644
--- a/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.eq/not_equal.pass.cpp
+++ b/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.eq/not_equal.pass.cpp
@@ -10,6 +10,9 @@
 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}}
 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx{{11.0|12.0}}
 
+// test_memory_resource requires RTTI for dynamic_cast
+// UNSUPPORTED: no-rtti
+
 // <memory_resource>
 
 // template <class T> class polymorphic_allocator;
diff --git a/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/allocate.pass.cpp b/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/allocate.pass.cpp
index f555b67f550a..20b5ae0df1f3 100644
--- a/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/allocate.pass.cpp
+++ b/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/allocate.pass.cpp
@@ -10,6 +10,9 @@
 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}}
 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx{{11.0|12.0}}
 
+// test_memory_resource requires RTTI for dynamic_cast
+// UNSUPPORTED: no-rtti
+
 // <memory_resource>
 
 // template <class T> class polymorphic_allocator
diff --git a/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_pair_const_lvalue_pair.pass.cpp b/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_pair_const_lvalue_pair.pass.cpp
index b61155ba3876..522f962638a7 100644
--- a/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_pair_const_lvalue_pair.pass.cpp
+++ b/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_pair_const_lvalue_pair.pass.cpp
@@ -10,6 +10,9 @@
 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}}
 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx{{11.0|12.0}}
 
+// test_memory_resource requires RTTI for dynamic_cast
+// UNSUPPORTED: no-rtti
+
 // <memory_resource>
 
 // template <class T> class polymorphic_allocator
diff --git a/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_pair_rvalue.pass.cpp b/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_pair_rvalue.pass.cpp
index e000449dae46..00bb66740ce9 100644
--- a/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_pair_rvalue.pass.cpp
+++ b/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_pair_rvalue.pass.cpp
@@ -10,6 +10,9 @@
 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}}
 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx{{11.0|12.0}}
 
+// test_memory_resource requires RTTI for dynamic_cast
+// UNSUPPORTED: no-rtti
+
 // <memory_resource>
 
 // template <class T> class polymorphic_allocator
diff --git a/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_pair_values.pass.cpp b/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_pair_values.pass.cpp
index ee7db48146aa..6d39a7e7a464 100644
--- a/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_pair_values.pass.cpp
+++ b/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_pair_values.pass.cpp
@@ -10,6 +10,9 @@
 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}}
 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx{{11.0|12.0}}
 
+// test_memory_resource requires RTTI for dynamic_cast
+// UNSUPPORTED: no-rtti
+
 // <memory_resource>
 
 // template <class T> class polymorphic_allocator
diff --git a/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_piecewise_pair.pass.cpp b/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_piecewise_pair.pass.cpp
index 15806cd30a64..619c55451605 100644
--- a/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_piecewise_pair.pass.cpp
+++ b/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_piecewise_pair.pass.cpp
@@ -10,6 +10,9 @@
 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}}
 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx{{11.0|12.0}}
 
+// test_memory_resource requires RTTI for dynamic_cast
+// UNSUPPORTED: no-rtti
+
 // <memory_resource>
 
 // template <class T> class polymorphic_allocator
diff --git a/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_types.pass.cpp b/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_types.pass.cpp
index fbf2a90056e0..8b7961692fc6 100644
--- a/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_types.pass.cpp
+++ b/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_types.pass.cpp
@@ -10,6 +10,9 @@
 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}}
 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx{{11.0|12.0}}
 
+// test_memory_resource requires RTTI for dynamic_cast
+// UNSUPPORTED: no-rtti
+
 // <memory_resource>
 
 // template <class T> class polymorphic_allocator
diff --git a/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/deallocate.pass.cpp b/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/deallocate.pass.cpp
index c69bd942b0b7..7068c7553769 100644
--- a/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/deallocate.pass.cpp
+++ b/libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/deallocate.pass.cpp
@@ -10,6 +10,9 @@
 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}}
 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx{{11.0|12.0}}
 
+// test_memory_resource requires RTTI for dynamic_cast
+// UNSUPPORTED: no-rtti
+
 // <memory_resource>
 
 // template <class T> class polymorphic_allocator
diff --git a/libcxx/test/std/utilities/utility/mem.res/mem.res.global/default_resource.pass.cpp b/libcxx/test/std/utilities/utility/mem.res/mem.res.global/default_resource.pass.cpp
index 7969643b1da3..1c46f5b3512f 100644
--- a/libcxx/test/std/utilities/utility/mem.res/mem.res.global/default_resource.pass.cpp
+++ b/libcxx/test/std/utilities/utility/mem.res/mem.res.global/default_resource.pass.cpp
@@ -10,6 +10,9 @@
 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}}
 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx{{11.0|12.0}}
 
+// test_memory_resource requires RTTI for dynamic_cast
+// UNSUPPORTED: no-rtti
+
 // <memory_resource>
 
 //-----------------------------------------------------------------------------
diff --git a/libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.eq/equal.pass.cpp b/libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.eq/equal.pass.cpp
index eb8c4a2f33d3..f463605dcf8d 100644
--- a/libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.eq/equal.pass.cpp
+++ b/libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.eq/equal.pass.cpp
@@ -8,6 +8,9 @@
 
 // UNSUPPORTED: c++03, c++11, c++14
 
+// test_memory_resource requires RTTI for dynamic_cast
+// UNSUPPORTED: no-rtti
+
 // <memory_resource>
 
 // bool operator==(memory_resource const &, memory_resource const &) noexcept;
diff --git a/libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.eq/not_equal.pass.cpp b/libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.eq/not_equal.pass.cpp
index d34295257c16..ead5f771c81c 100644
--- a/libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.eq/not_equal.pass.cpp
+++ b/libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.eq/not_equal.pass.cpp
@@ -8,6 +8,9 @@
 
 // UNSUPPORTED: c++03, c++11, c++14
 
+// test_memory_resource requires RTTI for dynamic_cast
+// UNSUPPORTED: no-rtti
+
 // <memory_resource>
 
 // bool operator!=(memory_resource const &, memory_resource const &) noexcept;
diff --git a/libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.public/allocate.pass.cpp b/libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.public/allocate.pass.cpp
index e011227f23dc..25898437074a 100644
--- a/libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.public/allocate.pass.cpp
+++ b/libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.public/allocate.pass.cpp
@@ -6,10 +6,13 @@
 //
 //===----------------------------------------------------------------------===//
 
-// <memory_resource>
-
 // UNSUPPORTED: c++03, c++11, c++14
 
+// test_memory_resource requires RTTI for dynamic_cast
+// UNSUPPORTED: no-rtti
+
+// <memory_resource>
+
 //------------------------------------------------------------------------------
 // TESTING void *memory_resource::allocate(size_t, size_t = max_align)
 //
diff --git a/libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.public/deallocate.pass.cpp b/libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.public/deallocate.pass.cpp
index ad2614bf95f9..964e4ea130ab 100644
--- a/libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.public/deallocate.pass.cpp
+++ b/libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.public/deallocate.pass.cpp
@@ -6,10 +6,13 @@
 //
 //===----------------------------------------------------------------------===//
 
-// <memory_resource>
-
 // UNSUPPORTED: c++03, c++11, c++14
 
+// test_memory_resource requires RTTI for dynamic_cast
+// UNSUPPORTED: no-rtti
+
+// <memory_resource>
+
 //------------------------------------------------------------------------------
 // TESTING void * memory_resource::deallocate(void *, size_t, size_t = max_align)
 //
diff --git a/libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.public/dtor.pass.cpp b/libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.public/dtor.pass.cpp
index e8756b50e8dc..58db32ceed50 100644
--- a/libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.public/dtor.pass.cpp
+++ b/libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.public/dtor.pass.cpp
@@ -8,6 +8,9 @@
 
 // UNSUPPORTED: c++03, c++11, c++14
 
+// test_memory_resource requires RTTI for dynamic_cast
+// UNSUPPORTED: no-rtti
+
 // <memory_resource>
 
 //------------------------------------------------------------------------------
diff --git a/libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.public/is_equal.pass.cpp b/libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.public/is_equal.pass.cpp
index 5943b91ae810..b91237981866 100644
--- a/libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.public/is_equal.pass.cpp
+++ b/libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.public/is_equal.pass.cpp
@@ -8,6 +8,9 @@
 
 // UNSUPPORTED: c++03, c++11, c++14
 
+// test_memory_resource requires RTTI for dynamic_cast
+// UNSUPPORTED: no-rtti
+
 // <memory_resource>
 
 //------------------------------------------------------------------------------