1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp0x/constexpr-array15.C b/gcc/testsuite/g++.dg/cpp0x/constexpr-array15.C
new file mode 100644
index 00000000000..a59e6f5df14
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-array15.C
@@ -0,0 +1,29 @@
+// PR c++/68949
+// { dg-do run { target c++11 } }
+
+struct Sub {
+    int i;
+
+    constexpr Sub() : i(-1) {} // remove constexpr and it works as expected
+    Sub(Sub&& rhs); // remove this constructor and it works as epxected.
+};
+
+// v-- move this inline and it works as expected
+// v-- remove ': Sub()' and it works as expected
+Sub::Sub(Sub&& rhs) : Sub() { int tmp = i; i = rhs.i; rhs.i = tmp; }
+
+struct Class {
+    // v-- remove '[1]' and it works as expected
+    // v-- add '= {}' and it works as expected
+    Sub s[1];
+
+    // v-- add ': s{}' and it works as expected
+    // v-- removing this constructor makes it work as expected
+    Class() {}
+};
+
+int main() {
+    Class c;
+    if (c.s[0].i != -1)
+      __builtin_abort();
+}