1 files changed, 18 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/constexpr-ref4.C b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/constexpr-ref4.C
new file mode 100644
index 0000000..ce1ce52
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/constexpr-ref4.C
@@ -0,0 +1,18 @@
+// PR c++/54777
+// { dg-do compile { target c++11 } }
+
+struct S
+{
+  int s[1];
+  constexpr const int &foo (unsigned i) { return (i < 1 ? 0 : throw 1), s[i]; }
+  constexpr const int &bar (unsigned i) { return i < 1 ? s[i] : (throw 0, s[i]); }
+};
+
+int
+main ()
+{
+  constexpr S a {};
+  constexpr int i = a.foo (0);
+  constexpr int j = a.bar (0);
+  static_assert (i == j, "Ouch");
+}