--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/cpp2a/constexpr-new2.C	Thu Feb 13 11:34:05 2020 +0900
@@ -0,0 +1,22 @@
+// P0784R7
+// { dg-do compile { target c++2a } }
+// { dg-additional-options "-fdelete-null-pointer-checks" }
+
+template <int N>
+constexpr bool
+foo (const char (&x)[N])
+{
+  int **p = new int *[N];
+  for (int i = 0; i < N; i++)
+    p[i] = new int (x[i]);
+  for (int i = 0; i < N; i++)
+    if (*p[i] != x[i])
+      return false;
+  for (int i = 0; i < N; ++i)
+    delete p[i];
+  delete[] p;
+  return true;
+}
+
+constexpr bool a = foo ("foobar");
+static_assert (a);