1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/opt/nrv8.C b/gcc/testsuite/g++.dg/opt/nrv8.C
new file mode 100644
index 000000000..19999a188
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/nrv8.C
@@ -0,0 +1,31 @@
+// PR optimization/19531
+// forbids NRV on volatile return value.
+// { dg-options -O2 }
+// { dg-do run }
+
+extern "C" { void abort(); }
+
+struct A
+{
+  int d;
+
+  A ()                     { d = 123; }
+  A (const A & o)          { d = o.d;  }
+  A (volatile const A & o) { d = o.d + 2; }
+};
+
+A bar()
+{
+  volatile A l;
+  return l;
+}
+
+main()
+{
+  A a = bar ();
+
+  if (a.d != 125)
+    abort();
+
+  return 0;
+}