--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/vect/slp-pr92516.cc	Thu Feb 13 11:34:05 2020 +0900
@@ -0,0 +1,43 @@
+// { dg-do compile }
+// { dg-require-effective-target c++14 }
+
+class a {
+public:
+  typedef int b;
+  operator b();
+};
+class c {
+public:
+  constexpr int m_fn1() const;
+  constexpr int d() const;
+  int e;
+  int f;
+};
+constexpr int c::m_fn1() const { return e; }
+constexpr int c::d() const { return f; }
+class g {
+public:
+  g();
+  constexpr void i(const c &) noexcept;
+  int j;
+  int k;
+  int l;
+  int m;
+};
+constexpr void g::i(const c &n) noexcept {
+  int v = l - j, h = m - k;
+  j = n.m_fn1() - v / 2;
+  k = n.d() - h / 2;
+  l = j + v;
+  m = k + h;
+}
+class o {
+  void m_fn4() const;
+  a p;
+} r;
+void o::m_fn4() const {
+  g q;
+  c t;
+  q.i(t);
+  r.p || 0;
+}