--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/run/mini/bug33.d	Mon Jan 10 19:47:18 2011 +0100
@@ -0,0 +1,33 @@
+module bug33;
+
+extern(C) int memcmp(void*,void*,size_t);
+
+private int string_cmp(char[] s1, char[] s2)
+{
+    auto len = s1.length;
+    if (s2.length < len)
+        len = s2.length;
+    int result = memcmp(s1.ptr, s2.ptr, len);
+    if (result == 0)
+        result = cast(int)(cast(ptrdiff_t)s1.length - cast(ptrdiff_t)s2.length);
+    return result;
+}
+
+struct S
+{
+    char[] toString()
+    {
+        return "S";
+    }
+}
+
+int func()
+{
+    S a,b;
+    return string_cmp(a.toString(),b.toString());
+}
+
+void main()
+{
+    assert(func() == 0);
+}