Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 51 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/g++.dg/cpp1y/auto-fn15.C b/gcc-4.9/gcc/testsuite/g++.dg/cpp1y/auto-fn15.C
new file mode 100644
index 000000000..987aa96b7
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/cpp1y/auto-fn15.C
@@ -0,0 +1,51 @@
+// { dg-do compile { target c++1y } }
+// { dg-options "-Wno-return-local-addr" }
+
+template<class,class> struct same_type;
+template<class T> struct same_type<T,T> {};
+
+int& f();
+int i;
+
+decltype(auto) g() { return f(); }
+decltype(auto) h1() { return i; }
+decltype(auto) h2() { return (i); }
+decltype(auto) h2a() { return 0,i; }
+
+struct A { int i; };
+A a;
+
+decltype(auto) h3() { return a.i; }
+decltype(auto) h4() { return (a.i); }
+
+template <class T>
+decltype(auto) h5(T t) { return t.i; }
+template <class T>
+decltype(auto) h6(T t) { return (t.i); }
+
+int main()
+{
+  decltype(auto) i = f();
+  same_type<decltype(i),int&>();
+  decltype(auto) i2 = i;
+  same_type<decltype(i2),int&>();
+  decltype(auto) i3 = ::i;
+  same_type<decltype(i3),int>();
+  decltype(auto) i4 = (::i);
+  same_type<decltype(i4),int&>();
+  decltype(auto) i5 = a.i;
+  same_type<decltype(i5),int>();
+  decltype(auto) i6 = (a.i);
+  same_type<decltype(i6),int&>();
+  decltype(auto) i7 = true ? ::i : ::i;
+  same_type<decltype(i7),int&>();
+
+  same_type<decltype(g()),int&>();
+  same_type<decltype(h1()),int>();
+  same_type<decltype(h2()),int&>();
+  same_type<decltype(h2a()),int&>();
+  same_type<decltype(h3()),int>();
+  same_type<decltype(h4()),int&>();
+  same_type<decltype(h5(a)),int>();
+  same_type<decltype(h6(a)),int&>();
+}