1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp0x/constexpr-non-const-arg3.C b/gcc/testsuite/g++.dg/cpp0x/constexpr-non-const-arg3.C
new file mode 100644
index 000000000..581be6d15
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-non-const-arg3.C
@@ -0,0 +1,23 @@
+// PR c++/49988
+// { dg-options -std=c++0x }
+// { dg-do run }
+
+template<int ... I> struct X { };
+
+struct A {
+  char data[3];
+  template<int ... I>
+    constexpr
+    A(const char (&s)[3], X<I...> x) : data{ s[I]...} { }
+};
+struct B {
+  A a;
+  B(const char (&s)[3]) : a{s,X<0,1,2>{}} { }
+};
+
+int main()
+{
+  B b{"12"};
+  if (b.a.data[0] != '1')
+    return 1;
+}