[C++] My unreviewed patches

[Kriang Lerdsuwanakij]

Hi

I have a few unreviewed C++ patches, all of them fixing regressions.

1 Fix PR20333: ICE parsing invalid 'typename' (for 3.4/4.0/4.1)
    http://gcc.gnu.org/ml/gcc-patches/2005-03/msg01207.html

2 Fix PR20381: ICE taking address of member function (for 4.0/4.1)
    http://gcc.gnu.org/ml/gcc-patches/2005-03/msg01028.html

3 Fix PR20240: Accepting invalid using declaration (for 3.4/4.0/4.1)
    http://gcc.gnu.org/ml/gcc-patches/2005-03/msg01208.html

Thank you

--Kriang