1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/opt/nrv3.C b/gcc/testsuite/g++.dg/opt/nrv3.C
new file mode 100644
index 000000000..2ec597744
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/nrv3.C
@@ -0,0 +1,24 @@
+// PR optimization/6189
+// Bug: we forgot about foo's nrv after writing it out.
+// { dg-options -O3 }
+// { dg-do run }
+
+struct A
+{
+  int i;
+};
+
+
+A foo ()
+{
+  A a;
+  a.i = 42;
+  return a;
+}
+
+
+int main()
+{
+  A b = foo();
+  return b.i != 42;
+}