[PATCH] Add testcase for c++/68348

[Marek Polacek]

This adds a testcase for the already fixed PR68348.

Tested on x86_64-linux, ok for trunk?

2015-12-09  Marek Polacek  <pola...@redhat.com>

        PR c++/68348
        * g++.dg/cpp0x/pr68348.C: New test.

diff --git gcc/testsuite/g++.dg/cpp0x/pr68348.C 
gcc/testsuite/g++.dg/cpp0x/pr68348.C
index e69de29..9033bba 100644
--- gcc/testsuite/g++.dg/cpp0x/pr68348.C
+++ gcc/testsuite/g++.dg/cpp0x/pr68348.C
@@ -0,0 +1,18 @@
+// PR c++/68348
+// { dg-do compile { target c++11 } }
+
+struct C {
+  constexpr C() : w(), x(), y() {}
+  constexpr double fn() const noexcept;
+  double w;
+  double x;
+  double y;
+};
+
+constexpr double C::fn() const noexcept { return w; }
+C foo()
+{
+  C c;
+  c.fn ();
+  return c;
+}

        Marek