1 files changed, 88 insertions, 0 deletions
diff --git a/libgomp/testsuite/libgomp.c++/udr-2.C b/libgomp/testsuite/libgomp.c++/udr-2.C
new file mode 100644
index 00000000000..5408be146bd
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c++/udr-2.C
@@ -0,0 +1,88 @@
+// { dg-do run }
+
+extern "C" void abort ();
+
+namespace NS
+{
+  struct U
+  {
+    void foo (U &, bool);
+    U ();
+  };
+  struct S
+  {
+    int s;
+    #pragma omp declare reduction (foo : U, S : omp_out.foo (omp_in, false))
+    #pragma omp declare reduction (foo : int : omp_out += omp_in) \
+	initializer (omp_priv = int ())
+    void baz (int v)
+    {
+      S s;
+      int q = 0;
+      if (s.s != 6 || v != 0) abort ();
+      s.s = 20;
+      #pragma omp parallel num_threads (4) reduction (foo : s, v) \
+	reduction (::NS::U::operator + : q)
+      {
+	if (s.s != 6 || q != 0 || v != 0) abort ();
+	asm volatile ("" : "+m" (s.s), "+r" (q), "+r" (v));
+	s.s++; q++; v++;
+      }
+      if (s.s != 20 + q * 7 || q != v) abort ();
+    }
+    void foo (S &x) { s += x.s; }
+    void foo (S &x, bool y) { s += x.s; if (y) abort (); }
+    S (const S &x) { s = x.s + 1; }
+    S (const S &x, bool y) { s = x.s + 2; if (y) abort (); }
+    S () { s = 6; }
+    S (int x) { s = x; }
+    ~S ();
+  };
+  #pragma omp declare reduction (bar : S : omp_out.foo (omp_in)) \
+	initializer (omp_priv (8))
+}
+
+NS::S::~S ()
+{
+  if (s < 6) abort ();
+  s = -1;
+  /* Ensure the above store is not DSEd.  */
+  asm volatile ("" : : "r" (&s) : "memory");
+}
+
+struct T : public NS::S
+{
+  void baz ()
+  {
+    S s;
+    int q = 0;
+    if (s.s != 6) abort ();
+    #pragma omp parallel num_threads (4) reduction (foo:s) \
+	reduction (+: q)
+    {
+      if (s.s != 6 || q != 0) abort ();
+      asm volatile ("" : "+m" (s.s), "+r" (q));
+      s.s += 2; q++;
+    }
+    if (s.s != 6 + q * 8) abort ();
+  }
+};
+
+int
+main ()
+{
+  NS::S s;
+  s.baz (0);
+  T t;
+  t.baz ();
+  int q = 0;
+  if (s.s != 6) abort ();
+  // Test ADL
+  #pragma omp parallel num_threads (4) reduction (bar:s) reduction (+:q)
+  {
+    if (s.s != 8 || q != 0) abort ();
+    asm volatile ("" : "+m" (s.s), "+r" (q));
+    s.s += 4; q++;
+  }
+  if (s.s != 6 + q * 12) abort ();
+}