1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp0x/constexpr-empty4.C b/gcc/testsuite/g++.dg/cpp0x/constexpr-empty4.C
new file mode 100644
index 000000000..b07f92464
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-empty4.C
@@ -0,0 +1,34 @@
+// { dg-options -std=c++0x }
+
+typedef decltype(sizeof(char)) size_type;
+
+template<class T, size_type N, class Pred>
+constexpr size_type do_find_if_or_stop(T (&x)[N], size_type i, Pred p);
+
+template<class T, size_type N, class Pred>
+constexpr size_type do_find_if(T (&x)[N], size_type i, Pred p) {
+  return p(x[i]) ? i : do_find_if_or_stop(x, i + 1, p);  // line 8
+}
+
+template<class T, size_type N, class Pred>
+constexpr size_type do_find_if_or_stop(T (&x)[N], size_type i, Pred p) {
+  return i == N ? N : do_find_if(x, i, p);
+} // Line 14
+
+template<class T, size_type N, class Pred>
+constexpr size_type find_if(T (&x)[N], Pred p) {
+	return do_find_if(x, 0, p); // Line 18
+}
+
+constexpr long items_long[] = {1, 2, 3, 4, -5, 6, -7, 8};
+
+template<class T>
+struct IsNegative {
+	constexpr bool operator()(const T& x) {
+		return x < T(0);
+	}
+};
+
+constexpr auto pos1 = find_if(items_long, IsNegative<long>{}); // Line 30
+
+static_assert(pos1 == 4, "find_if failure");