c++/61941 - Mis-parsing of warn_unused_result function with ref-qualifiers

gcc/testsuite/ChangeLog:
	* g++.dg/pr61941.C: New test.

From-SVN: r264324

gcc/testsuite/ChangeLog

+2018-09-14  Martin Sebor  <msebor@redhat.com>
+
+	c++/61941
+	* g++.dg/pr61941.C: New test.
+
 2018-09-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 
 	* gcc.target/aarch64/combine_bfi_1.c: Scan for bfi instruction

gcc/testsuite/g++.dg/pr61941.C

+// PR c++/61941 - Misparsing of warn_unused_result function with ref-qualifiers
+// { dg-do compile { target c++11 } }
+// { dg-options "-Wall" }
+
+class S
+{
+public:
+    S x() const __attribute__ ((__warn_unused_result__));
+
+    S y() const & __attribute__ ((__warn_unused_result__));
+    S y() && __attribute__ ((__warn_unused_result__));
+};