1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp1y/constexpr-121445.C b/gcc/testsuite/g++.dg/cpp1y/constexpr-121445.C
new file mode 100644
index 00000000000..b210aaffaf4
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp1y/constexpr-121445.C
@@ -0,0 +1,19 @@
+// PR c++/121445
+// { dg-do compile { target c++14 } }
+
+struct D {
+  const char *d;
+  const char *foo () { return ""; };			// { dg-message "declared here" "" { target c++20_down } }
+  constexpr D () : d (foo ()) {}			// { dg-error "call to non-'constexpr' function 'const char\\\* D::foo\\\(\\\)'" "" { target c++20_down } }
+  constexpr D &operator= (const char *) { return *this; }
+};
+struct S {
+  constexpr S ()
+  {
+    struct A { D a; };
+    struct B { A b; };
+    struct C { B c; };
+    C d {};
+    d.c.b.a = "";
+  }
+};