[C++ testcase] PR 55432

[Paolo Carlini]

Hi,

tested x86_64-linux, committed to mainline.

Thanks,
Paolo.

/////////////////////

2012-11-22  Paolo Carlini  <paolo.carl...@oracle.com>

        PR c++/55432
        * g++.dg/cpp0x/constexpr-55432.C: New.

Index: g++.dg/cpp0x/constexpr-55432.C
===================================================================
--- g++.dg/cpp0x/constexpr-55432.C      (revision 0)
+++ g++.dg/cpp0x/constexpr-55432.C      (working copy)
@@ -0,0 +1,22 @@
+// PR c++/55432
+// { dg-do compile { target c++11 } }
+
+struct tag_t{} tag{};
+
+constexpr tag_t const& pass(tag_t & t)
+{
+  return t;
+}
+
+struct S
+{
+  constexpr S(tag_t)  {};
+};
+
+struct T
+{
+  S mem;
+  T( tag_t & args ) : mem(pass(args)) {}
+};
+
+T t(tag);