--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/cpp1y/new2.C	Thu Feb 13 11:34:05 2020 +0900
@@ -0,0 +1,40 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -std=c++17 -fdump-tree-cddce-details" } */
+/* { dg-additional-options "-fdelete-null-pointer-checks" } */
+
+#include <cstdio>
+#include <cstdlib>
+#include <new>
+
+void* operator new(std::size_t sz)
+{
+  std::printf("global op new called, size = %zu\n", sz);
+  void *ptr = std::malloc(sz);
+  if (ptr)
+    return ptr;
+  else
+    throw std::bad_alloc{};
+}
+
+void operator delete(void* ptr) noexcept
+{
+  std::puts("global op delete called");
+  std::free(ptr);
+}
+
+void
+new_primitive_load() {
+  int *x = new int;
+  int tmp = *x;
+  delete x;
+}
+
+void
+new_array_load() {
+  int *x = new int[10];
+  int tmp = x[4];
+  delete [] x;
+}
+
+/* { dg-final { scan-tree-dump-times "Deleting : _\\d+ = operator new" 2 "cddce1"} } */
+/* { dg-final { scan-tree-dump-times "Deleting : operator delete" 2 "cddce1"} } */