Index: include/new
===================================================================
--- include/new
+++ include/new
@@ -136,7 +136,8 @@
 _LIBCPP_NEW_DELETE_VIS void* operator new(std::size_t __sz, const std::nothrow_t&) _NOEXCEPT _NOALIAS;
 _LIBCPP_NEW_DELETE_VIS void  operator delete(void* __p) _NOEXCEPT;
 _LIBCPP_NEW_DELETE_VIS void  operator delete(void* __p, const std::nothrow_t&) _NOEXCEPT;
-#if defined(_LIBCPP_BUILDING_NEW) || _LIBCPP_STD_VER >= 14
+#if defined(_LIBCPP_BUILDING_NEW) || _LIBCPP_STD_VER >= 14 || \
+    (defined(__cpp_sized_deallocation) && __cpp_sized_deallocation >= 201309)
 _LIBCPP_NEW_DELETE_VIS void  operator delete(void* __p, std::size_t __sz) _NOEXCEPT;
 #endif
 
@@ -148,7 +149,8 @@
 _LIBCPP_NEW_DELETE_VIS void* operator new[](std::size_t __sz, const std::nothrow_t&) _NOEXCEPT _NOALIAS;
 _LIBCPP_NEW_DELETE_VIS void  operator delete[](void* __p) _NOEXCEPT;
 _LIBCPP_NEW_DELETE_VIS void  operator delete[](void* __p, const std::nothrow_t&) _NOEXCEPT;
-#if defined(_LIBCPP_BUILDING_NEW) || _LIBCPP_STD_VER >= 14
+#if defined(_LIBCPP_BUILDING_NEW) || _LIBCPP_STD_VER >= 14 || \
+    (defined(__cpp_sized_deallocation) && __cpp_sized_deallocation >= 201309)
 _LIBCPP_NEW_DELETE_VIS void  operator delete[](void* __p, std::size_t __sz) _NOEXCEPT;
 #endif
 
Index: test/std/language.support/support.dynamic/new.delete/new.delete.array/sized_delete_array.pass.cpp
===================================================================
--- test/std/language.support/support.dynamic/new.delete/new.delete.array/sized_delete_array.pass.cpp
+++ /dev/null
@@ -1,76 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// test sized operator delete[] by replacing unsized operator delete[].
-
-// UNSUPPORTED: sanitizer-new-delete
-
-#include <new>
-#include <cstddef>
-#include <cstdlib>
-#include <cassert>
-#include <limits>
-
-int delete_called = 0;
-int delete_nothrow_called = 0;
-
-void operator delete[](void* p) throw()
-{
-    ++delete_called;
-    std::free(p);
-}
-
-void operator delete[](void* p, const std::nothrow_t&) throw()
-{
-    ++delete_nothrow_called;
-    std::free(p);
-}
-
-int new_handler_called = 0;
-
-void new_handler()
-{
-    ++new_handler_called;
-    std::set_new_handler(0);
-}
-
-int A_constructed = 0;
-
-struct A
-{
-    A() {++A_constructed;}
-    ~A() {--A_constructed;}
-};
-
-int main()
-{
-    std::set_new_handler(new_handler);
-    try
-    {
-        void* vp = operator new [] (std::numeric_limits<std::size_t>::max());
-        assert(false);
-    }
-    catch (std::bad_alloc&)
-    {
-        assert(new_handler_called == 1);
-    }
-    catch (...)
-    {
-        assert(false);
-    }
-    A* ap = new A[3];
-    assert(ap);
-    assert(A_constructed == 3);
-    assert(!delete_called);
-    assert(!delete_nothrow_called);
-    delete [] ap;
-    assert(A_constructed == 0);
-    assert(delete_called == 1);
-    assert(!delete_nothrow_called);
-}
Index: test/std/language.support/support.dynamic/new.delete/new.delete.array/sized_delete_array_c++11.pass.cpp
===================================================================
--- /dev/null
+++ test/std/language.support/support.dynamic/new.delete/new.delete.array/sized_delete_array_c++11.pass.cpp
@@ -0,0 +1,57 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// test sized operator delete[] replacement.
+
+// Note that sized delete operator definitions below are simply ignored
+// when sized deallocation is not supported, e.g., prior to C++14.
+
+// UNSUPPORTED: c++14, c++1z
+// UNSUPPORTED: sanitizer-new-delete
+
+#include <new>
+#include <cstddef>
+#include <cstdlib>
+#include <cassert>
+
+int unsized_delete_called = 0;
+int unsized_delete_nothrow_called = 0;
+int sized_delete_called = 0;
+
+void operator delete[](void* p) throw()
+{
+    ++unsized_delete_called;
+    std::free(p);
+}
+
+void operator delete[](void* p, const std::nothrow_t&) throw()
+{
+    ++unsized_delete_nothrow_called;
+    std::free(p);
+}
+
+void operator delete[](void* p, std::size_t) throw()
+{
+    ++sized_delete_called;
+    std::free(p);
+}
+
+int main()
+{
+
+    int* x = new int[3];
+    assert(0 == unsized_delete_called);
+    assert(0 == unsized_delete_nothrow_called);
+    assert(0 == sized_delete_called);
+
+    delete [] x;
+    assert(1 == unsized_delete_called);
+    assert(0 == sized_delete_called);
+    assert(0 == unsized_delete_nothrow_called);
+}
Index: test/std/language.support/support.dynamic/new.delete/new.delete.array/sized_delete_array_c++14.pass.cpp
===================================================================
--- /dev/null
+++ test/std/language.support/support.dynamic/new.delete/new.delete.array/sized_delete_array_c++14.pass.cpp
@@ -0,0 +1,59 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// test sized operator delete[] replacement.
+
+// UNSUPPORTED: sanitizer-new-delete, c++98, c++03, c++11
+
+// TODO: Clang does not enable sized-deallocation in c++14 and behond by
+// default. It is only enabled when -fsized-deallocation is given.
+// XFAIL: clang
+
+// TODO: GCC 4.9.1 does not yet support sized-deallocation.
+// XFAIL: gcc
+
+#include <new>
+#include <cstddef>
+#include <cstdlib>
+#include <cassert>
+
+int unsized_delete_called = 0;
+int unsized_delete_nothrow_called = 0;
+int sized_delete_called = 0;
+
+void operator delete[](void* p) throw()
+{
+    ++unsized_delete_called;
+    std::free(p);
+}
+
+void operator delete[](void* p, const std::nothrow_t&) throw()
+{
+    ++unsized_delete_nothrow_called;
+    std::free(p);
+}
+
+void operator delete[](void* p, std::size_t) throw()
+{
+    ++sized_delete_called;
+    std::free(p);
+}
+
+int main()
+{
+    int* x = new int[3];
+    assert(0 == unsized_delete_called);
+    assert(0 == unsized_delete_nothrow_called);
+    assert(0 == sized_delete_called);
+
+    delete [] x;
+    assert(0 == unsized_delete_called);
+    assert(0 == unsized_delete_nothrow_called);
+    assert(1 == sized_delete_called);
+}
Index: test/std/language.support/support.dynamic/new.delete/new.delete.array/sized_delete_array_calls_unsized_delete_array.pass.cpp
===================================================================
--- /dev/null
+++ test/std/language.support/support.dynamic/new.delete/new.delete.array/sized_delete_array_calls_unsized_delete_array.pass.cpp
@@ -0,0 +1,46 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// test sized operator [] delete calls the unsized operator [] delete.
+// When sized operator delete [] is not available (ex C++11) then the unsized
+// operator delete [] is called directly.
+
+// UNSUPPORTED: sanitizer-new-delete
+
+#include <new>
+#include <cstddef>
+#include <cstdlib>
+#include <cassert>
+
+int delete_called = 0;
+int delete_nothrow_called = 0;
+
+void operator delete[](void* p) throw()
+{
+    ++delete_called;
+    std::free(p);
+}
+
+void operator delete[](void* p, const std::nothrow_t&) throw()
+{
+    ++delete_nothrow_called;
+    std::free(p);
+}
+
+
+int main()
+{
+    int* x = new int[3];
+    assert(!delete_called);
+    assert(!delete_nothrow_called);
+
+    delete [] x;
+    assert(delete_called == 1);
+    assert(!delete_nothrow_called);
+}
Index: test/std/language.support/support.dynamic/new.delete/new.delete.array/sized_delete_array_fsizeddeallocation.sh.cpp
===================================================================
--- /dev/null
+++ test/std/language.support/support.dynamic/new.delete/new.delete.array/sized_delete_array_fsizeddeallocation.sh.cpp
@@ -0,0 +1,69 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// test sized operator delete[] replacement.
+
+// Note that sized delete operator definitions below are simply ignored
+// when sized deallocation is not supported, e.g., prior to C++14.
+
+// UNSUPPORTED: sanitizer-new-delete
+
+// NOTE: GCC does not support the -fsized-deallocation flag.
+// REQUIRES: clang
+
+// RUN: %build -fsized-deallocation
+// RUN: %run
+
+#if !defined(__cpp_sized_deallocation)
+# error __cpp_sized_deallocation should be defined
+#endif
+
+#if !(__cpp_sized_deallocation >= 201309L)
+# error expected __cpp_sized_deallocation >= 201309L
+#endif
+
+#include <new>
+#include <cstddef>
+#include <cstdlib>
+#include <cassert>
+
+int unsized_delete_called = 0;
+int unsized_delete_nothrow_called = 0;
+int sized_delete_called = 0;
+
+void operator delete[](void* p) throw()
+{
+    ++unsized_delete_called;
+    std::free(p);
+}
+
+void operator delete[](void* p, const std::nothrow_t&) throw()
+{
+    ++unsized_delete_nothrow_called;
+    std::free(p);
+}
+
+void operator delete[](void* p, std::size_t) noexcept
+{
+    ++sized_delete_called;
+    std::free(p);
+}
+
+int main()
+{
+    int* x = new int[3];
+    assert(0 == unsized_delete_called);
+    assert(0 == unsized_delete_nothrow_called);
+    assert(0 == sized_delete_called);
+
+    delete [] x;
+    assert(0 == unsized_delete_called);
+    assert(0 == unsized_delete_nothrow_called);
+    assert(1 == sized_delete_called);
+}
Index: test/std/language.support/support.dynamic/new.delete/new.delete.array/sized_delete_array_nothrow.pass.cpp
===================================================================
--- test/std/language.support/support.dynamic/new.delete/new.delete.array/sized_delete_array_nothrow.pass.cpp
+++ /dev/null
@@ -1,80 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// test nothrow sized operator delete[] by replacing
-// nothrow unsized operator delete[].
-
-// UNSUPPORTED: sanitizer-new-delete
-
-#include <new>
-#include <cstddef>
-#include <cstdlib>
-#include <cassert>
-#include <limits>
-
-int delete_called = 0;
-int delete_nothrow_called = 0;
-
-void operator delete[](void* p) throw()
-{
-    ++delete_called;
-    std::free(p);
-}
-
-void operator delete[](void* p, const std::nothrow_t&) throw()
-{
-    ++delete_nothrow_called;
-    std::free(p);
-}
-
-int new_handler_called = 0;
-
-void new_handler()
-{
-    ++new_handler_called;
-    std::set_new_handler(0);
-}
-
-bool A_constructed = false;
-
-struct A
-{
-    A() {A_constructed = true;}
-    ~A() {A_constructed = false;}
-};
-
-struct BadA : public A {
-  BadA() { throw std::bad_alloc(); }
-};
-
-int main()
-{
-    std::set_new_handler(new_handler);
-    try
-    {
-        void*volatile vp = operator new [] (std::numeric_limits<std::size_t>::max(), std::nothrow);
-        assert(new_handler_called == 1);
-        assert(vp == 0);
-    }
-    catch (...)
-    {
-        assert(false);
-    }
-    try
-    {
-        A* ap = new(std::nothrow) BadA [3];
-        assert(false);
-    }
-    catch (...)
-    {
-        assert(!A_constructed);
-        assert(!delete_called);
-        assert(delete_nothrow_called == 1);
-    }
-}
Index: test/std/language.support/support.dynamic/new.delete/new.delete.array/sized_delete_array_replace.pass.cpp
===================================================================
--- test/std/language.support/support.dynamic/new.delete/new.delete.array/sized_delete_array_replace.pass.cpp
+++ /dev/null
@@ -1,102 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// test sized operator delete[] replacement.
-
-// Note that sized delete operator definitions below are simply ignored
-// when sized deallocation is not supported, e.g., prior to C++14.
-
-// UNSUPPORTED: sanitizer-new-delete
-
-#include <new>
-#include <cstddef>
-#include <cstdlib>
-#include <cassert>
-#include <limits>
-
-int unsized_delete_called = 0;
-int unsized_delete_nothrow_called = 0;
-int sized_delete_called = 0;
-int sized_delete_nothrow_called = 0;
-
-void operator delete[](void* p) throw()
-{
-    ++unsized_delete_called;
-    std::free(p);
-}
-
-void operator delete[](void* p, const std::nothrow_t&) throw()
-{
-    ++unsized_delete_nothrow_called;
-    std::free(p);
-}
-
-void operator delete[](void* p, std::size_t) throw()
-{
-    ++sized_delete_called;
-    std::free(p);
-}
-
-void operator delete[](void* p, std::size_t, const std::nothrow_t&) throw()
-{
-    ++sized_delete_nothrow_called;
-    std::free(p);
-}
-
-int new_handler_called = 0;
-
-void new_handler()
-{
-    ++new_handler_called;
-    std::set_new_handler(0);
-}
-
-int A_constructed = 0;
-
-struct A
-{
-    A() {++A_constructed;}
-    ~A() {--A_constructed;}
-};
-
-int main()
-{
-    std::set_new_handler(new_handler);
-    try
-    {
-        void* vp = operator new [] (std::numeric_limits<std::size_t>::max());
-        assert(false);
-    }
-    catch (std::bad_alloc&)
-    {
-        assert(new_handler_called == 1);
-    }
-    catch (...)
-    {
-        assert(false);
-    }
-    A* ap = new A[3];
-    assert(ap);
-    assert(A_constructed == 3);
-    assert(!unsized_delete_called);
-    assert(!unsized_delete_nothrow_called);
-    assert(!sized_delete_called);
-    assert(!sized_delete_nothrow_called);
-    delete [] ap;
-    assert(A_constructed == 0);
-#if _LIBCPP_STD_VER >= 14
-    assert(!unsized_delete_called);
-    assert(sized_delete_called == 1);
-#else // if _LIBCPP_STD_VER < 14
-    assert(unsized_delete_called == 1);
-    assert(!sized_delete_called);
-#endif
-    assert(!unsized_delete_nothrow_called);
-    assert(!sized_delete_nothrow_called);
-}
Index: test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete.pass.cpp
===================================================================
--- test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete.pass.cpp
+++ /dev/null
@@ -1,76 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// test sized operator delete by replacing unsized operator delete.
-
-// UNSUPPORTED: sanitizer-new-delete
-
-#include <new>
-#include <cstddef>
-#include <cstdlib>
-#include <cassert>
-#include <limits>
-
-int delete_called = 0;
-int delete_nothrow_called = 0;
-
-void operator delete(void* p) throw()
-{
-    ++delete_called;
-    std::free(p);
-}
-
-void operator delete(void* p, const std::nothrow_t&) throw()
-{
-    ++delete_nothrow_called;
-    std::free(p);
-}
-
-int new_handler_called = 0;
-
-void new_handler()
-{
-    ++new_handler_called;
-    std::set_new_handler(0);
-}
-
-bool A_constructed = false;
-
-struct A
-{
-    A() {A_constructed = true;}
-    ~A() {A_constructed = false;}
-};
-
-int main()
-{
-    std::set_new_handler(new_handler);
-    try
-    {
-        void* vp = operator new (std::numeric_limits<std::size_t>::max());
-        assert(false);
-    }
-    catch (std::bad_alloc&)
-    {
-        assert(new_handler_called == 1);
-    }
-    catch (...)
-    {
-        assert(false);
-    }
-    A* ap = new A;
-    assert(ap);
-    assert(A_constructed);
-    assert(!delete_called);
-    assert(!delete_nothrow_called);
-    delete ap;
-    assert(!A_constructed);
-    assert(delete_called == 1);
-    assert(!delete_nothrow_called);
-}
Index: test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete_c++11.pass.cpp
===================================================================
--- /dev/null
+++ test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete_c++11.pass.cpp
@@ -0,0 +1,56 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// test sized operator delete replacement.
+
+// Note that sized delete operator definitions below are simply ignored
+// when sized deallocation is not supported, e.g., prior to C++14.
+
+// UNSUPPORTED: c++14, c++1z
+// UNSUPPORTED: sanitizer-new-delete
+
+#include <new>
+#include <cstddef>
+#include <cstdlib>
+#include <cassert>
+
+int unsized_delete_called = 0;
+int unsized_delete_nothrow_called = 0;
+int sized_delete_called = 0;
+
+void operator delete(void* p) throw()
+{
+    ++unsized_delete_called;
+    std::free(p);
+}
+
+void operator delete(void* p, const std::nothrow_t&) throw()
+{
+    ++unsized_delete_nothrow_called;
+    std::free(p);
+}
+
+void operator delete(void* p, std::size_t) throw()
+{
+    ++sized_delete_called;
+    std::free(p);
+}
+
+int main()
+{
+    int *x = new int(42);
+    assert(0 == unsized_delete_called);
+    assert(0 == unsized_delete_nothrow_called);
+    assert(0 == sized_delete_called);
+
+    delete x;
+    assert(1 == unsized_delete_called);
+    assert(0 == sized_delete_called);
+    assert(0 == unsized_delete_nothrow_called);
+}
Index: test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete_c++14.pass.cpp
===================================================================
--- /dev/null
+++ test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete_c++14.pass.cpp
@@ -0,0 +1,59 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// test sized operator delete replacement.
+
+// UNSUPPORTED: sanitizer-new-delete, c++98, c++03, c++11
+
+// TODO: Clang does not enable sized-deallocation in c++14 and behond by
+// default. It is only enabled when -fsized-deallocation is given.
+// XFAIL: clang
+
+// TODO: GCC 4.9.1 does not support sized-deallocation in c++14.
+// XFAIL: gcc
+
+#include <new>
+#include <cstddef>
+#include <cstdlib>
+#include <cassert>
+
+int unsized_delete_called = 0;
+int unsized_delete_nothrow_called = 0;
+int sized_delete_called = 0;
+
+void operator delete(void* p) throw()
+{
+    ++unsized_delete_called;
+    std::free(p);
+}
+
+void operator delete(void* p, const std::nothrow_t&) throw()
+{
+    ++unsized_delete_nothrow_called;
+    std::free(p);
+}
+
+void operator delete(void* p, std::size_t) throw()
+{
+    ++sized_delete_called;
+    std::free(p);
+}
+
+int main()
+{
+    int *x = new int(42);
+    assert(0 == unsized_delete_called);
+    assert(0 == unsized_delete_nothrow_called);
+    assert(0 == sized_delete_called);
+
+    delete x;
+    assert(0 == unsized_delete_called);
+    assert(1 == sized_delete_called);
+    assert(0 == unsized_delete_nothrow_called);
+}
Index: test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete_calls_unsized_delete.pass.cpp
===================================================================
--- /dev/null
+++ test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete_calls_unsized_delete.pass.cpp
@@ -0,0 +1,45 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// test sized operator delete calls the unsized operator delete.
+// When sized operator delete is not available (ex C++11) then the unsized
+// operator delete is called directly.
+
+// UNSUPPORTED: sanitizer-new-delete
+
+#include <new>
+#include <cstddef>
+#include <cstdlib>
+#include <cassert>
+
+int delete_called = 0;
+int delete_nothrow_called = 0;
+
+void operator delete(void* p) throw()
+{
+    ++delete_called;
+    std::free(p);
+}
+
+void operator delete(void* p, const std::nothrow_t&) throw()
+{
+    ++delete_nothrow_called;
+    std::free(p);
+}
+
+int main()
+{
+    int *x = new int(42);
+    assert(0 == delete_called);
+    assert(0 == delete_nothrow_called);
+
+    delete x;
+    assert(1 == delete_called);
+    assert(0 == delete_nothrow_called);
+}
Index: test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete_fsizeddeallocation.sh.cpp
===================================================================
--- /dev/null
+++ test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete_fsizeddeallocation.sh.cpp
@@ -0,0 +1,69 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// test sized operator delete replacement.
+
+// Note that sized delete operator definitions below are simply ignored
+// when sized deallocation is not supported, e.g., prior to C++14.
+
+// UNSUPPORTED: sanitizer-new-delete
+
+// NOTE: GCC does not support the -fsized-deallocation flag.
+// REQUIRES: clang
+
+// RUN: %build -fsized-deallocation
+// RUN: %run
+
+#if !defined(__cpp_sized_deallocation)
+# error __cpp_sized_deallocation should be defined
+#endif
+
+#if !(__cpp_sized_deallocation >= 201309L)
+# error expected __cpp_sized_deallocation >= 201309L
+#endif
+
+#include <new>
+#include <cstddef>
+#include <cstdlib>
+#include <cassert>
+
+int unsized_delete_called = 0;
+int unsized_delete_nothrow_called = 0;
+int sized_delete_called = 0;
+
+void operator delete(void* p) throw()
+{
+    ++unsized_delete_called;
+    std::free(p);
+}
+
+void operator delete(void* p, const std::nothrow_t&) throw()
+{
+    ++unsized_delete_nothrow_called;
+    std::free(p);
+}
+
+void operator delete(void* p, std::size_t) throw()
+{
+    ++sized_delete_called;
+    std::free(p);
+}
+
+int main()
+{
+    int *x = new int(42);
+    assert(0 == sized_delete_called);
+    assert(0 == unsized_delete_called);
+    assert(0 == unsized_delete_nothrow_called);
+
+    delete x;
+    assert(1 == sized_delete_called);
+    assert(0 == unsized_delete_called);
+    assert(0 == unsized_delete_nothrow_called);
+}
Index: test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete_nothrow.pass.cpp
===================================================================
--- test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete_nothrow.pass.cpp
+++ /dev/null
@@ -1,80 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// test nothrow sized operator delete by replacing
-// nothrow unsized operator delete.
-
-// UNSUPPORTED: sanitizer-new-delete
-
-#include <new>
-#include <cstddef>
-#include <cstdlib>
-#include <cassert>
-#include <limits>
-
-int delete_called = 0;
-int delete_nothrow_called = 0;
-
-void operator delete(void* p) throw()
-{
-    ++delete_called;
-    std::free(p);
-}
-
-void operator delete(void* p, const std::nothrow_t&) throw()
-{
-    ++delete_nothrow_called;
-    std::free(p);
-}
-
-int new_handler_called = 0;
-
-void new_handler()
-{
-    ++new_handler_called;
-    std::set_new_handler(0);
-}
-
-bool A_constructed = false;
-
-struct A
-{
-    A() {A_constructed = true;}
-    ~A() {A_constructed = false;}
-};
-
-struct BadA : public A {
-    BadA() { throw std::bad_alloc(); }
-};
-
-int main()
-{
-    std::set_new_handler(new_handler);
-    try
-    {
-        void* volatile vp = operator new (std::numeric_limits<std::size_t>::max(), std::nothrow);
-        assert(new_handler_called == 1);
-        assert(vp == 0);
-    }
-    catch (...)
-    {
-        assert(false);
-    }
-    try
-    {
-        A* ap = new(std::nothrow) BadA;
-        assert(false);
-    }
-    catch (...)
-    {
-        assert(!A_constructed);
-        assert(!delete_called);
-        assert(delete_nothrow_called == 1);
-    }
-}
Index: test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete_replace.pass.cpp
===================================================================
--- test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete_replace.pass.cpp
+++ /dev/null
@@ -1,102 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// test sized operator delete replacement.
-
-// Note that sized delete operator definitions below are simply ignored
-// when sized deallocation is not supported, e.g., prior to C++14.
-
-// UNSUPPORTED: sanitizer-new-delete
-
-#include <new>
-#include <cstddef>
-#include <cstdlib>
-#include <cassert>
-#include <limits>
-
-int unsized_delete_called = 0;
-int unsized_delete_nothrow_called = 0;
-int sized_delete_called = 0;
-int sized_delete_nothrow_called = 0;
-
-void operator delete(void* p) throw()
-{
-    ++unsized_delete_called;
-    std::free(p);
-}
-
-void operator delete(void* p, const std::nothrow_t&) throw()
-{
-    ++unsized_delete_nothrow_called;
-    std::free(p);
-}
-
-void operator delete(void* p, std::size_t) throw()
-{
-    ++sized_delete_called;
-    std::free(p);
-}
-
-void operator delete(void* p, std::size_t, const std::nothrow_t&) throw()
-{
-    ++sized_delete_nothrow_called;
-    std::free(p);
-}
-
-int new_handler_called = 0;
-
-void new_handler()
-{
-    ++new_handler_called;
-    std::set_new_handler(0);
-}
-
-bool A_constructed = false;
-
-struct A
-{
-    A() {A_constructed = true;}
-    ~A() {A_constructed = false;}
-};
-
-int main()
-{
-    std::set_new_handler(new_handler);
-    try
-    {
-        void* vp = operator new (std::numeric_limits<std::size_t>::max());
-        assert(false);
-    }
-    catch (std::bad_alloc&)
-    {
-        assert(new_handler_called == 1);
-    }
-    catch (...)
-    {
-        assert(false);
-    }
-    A* ap = new A;
-    assert(ap);
-    assert(A_constructed);
-    assert(!unsized_delete_called);
-    assert(!unsized_delete_nothrow_called);
-    assert(!sized_delete_called);
-    assert(!sized_delete_nothrow_called);
-    delete ap;
-    assert(!A_constructed);
-#if _LIBCPP_STD_VER >= 14
-    assert(!unsized_delete_called);
-    assert(sized_delete_called == 1);
-#else // if _LIBCPP_STD_VER < 14
-    assert(unsized_delete_called == 1);
-    assert(!sized_delete_called);
-#endif
-    assert(!unsized_delete_nothrow_called);
-    assert(!sized_delete_nothrow_called);
-}