1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/gdc.test/compilable/must_use_opopassign.d b/gcc/testsuite/gdc.test/compilable/must_use_opopassign.d
new file mode 100644
index 00000000000..0176354ed1d
--- /dev/null
+++ b/gcc/testsuite/gdc.test/compilable/must_use_opopassign.d
@@ -0,0 +1,15 @@
+import core.attribute;
+
+@mustuse struct S
+{
+    ref S opOpAssign(string op)(S rhs) return
+    {
+        return this;
+    }
+}
+
+void test()
+{
+    S a, b;
+    a += b;
+}