obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

1 files changed, 55 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.dg/template/typedef27.C b/gcc/testsuite/g++.dg/template/typedef27.C
new file mode 100644
index 000000000..e50f17ccd
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/typedef27.C
@@ -0,0 +1,55 @@
+// Origin: PR c++/42713
+// { dg-do compile }
+
+template<class T>
+struct S
+{
+};
+
+template<class T>
+struct S0
+{
+    typedef T TT;
+};
+
+template<class U, class V>
+struct super_struct : S0<V>
+{
+    typedef S0<V> super;
+};
+
+template<class U, class V, class W>
+struct S1 : super_struct<U, V>
+{
+    typedef super_struct<U, V> super;
+    typedef typename super::super Super2;
+    typedef typename Super2::TT Super2TT;
+    void
+    foo()
+    {
+        S<Super2TT> s1;
+    }
+};
+
+template<class U, class V>
+struct S2 : super_struct<U, V>
+{
+    typedef super_struct<U, V> super;
+    typedef typename super::super Super2;
+    typedef typename Super2::TT Super2TT;
+    void
+    foo()
+    {
+        S<Super2TT> s1;
+    }
+};
+
+int
+main()
+{
+    S1<int, S<int>, int> s1;
+    s1.foo();
+    S2<int, S<int> > s2;
+    s2.foo();
+}
+