Index: test/SemaCXX/attr-nodebug.cpp
===================================================================
--- test/SemaCXX/attr-nodebug.cpp	(revision 0)
+++ test/SemaCXX/attr-nodebug.cpp	(revision 0)
@@ -0,0 +1,7 @@
+// RUN: %clang_cc1 %s -verify -fsyntax-only
+// Note: most of the 'nodebug' tests are in attr-nodebug.c.
+
+// expected-no-diagnostics
+class c {
+  void t3() __attribute__((nodebug));
+};