c++: constexpr array testcase [PR87097]

This seems to have been fixed by r15-7260 for PR118285, but is sufficiently
different to merit its own test.

	PR c++/87097

gcc/testsuite/ChangeLog:

	* g++.dg/cpp0x/constexpr-array29.C: New test.

diff --git a/gcc/testsuite/g++.dg/cpp0x/constexpr-array29.C b/gcc/testsuite/g++.dg/cpp0x/constexpr-array29.C
new file mode 100644 (file)
index 0000000..714d050
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-array29.C
@@ -0,0 +1,13 @@
+// PR c++/87097
+// { dg-do compile { target c++11 } }
+
+struct A {
+  constexpr A() : data() {}
+  struct X { int n; };
+  X data[2];
+};
+
+static_assert((A(), true), "");
+static_assert(A().data[0].n == 0, "");
+static_assert(A().data[1].n == 0, "");
+constexpr A x;