--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/pr93974.C	Mon May 25 07:50:57 2020 +0900
@@ -0,0 +1,27 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target powerpc_p8vector_ok } */
+/* { dg-options "-mdejagnu-cpu=power8 -O3 -fstack-protector-strong" } */
+
+class a {
+  double b[2];
+public:
+  a();
+};
+
+class c {
+public:
+  typedef a d;
+  d m_fn1() {
+    a e;
+    return e;
+  }
+};
+template <typename f> void operator+(f, typename f::d);
+void g() {
+  c connector;
+  for (;;) {
+    c cut;
+    a h = cut.m_fn1();
+    connector + h;
+  }
+}