g++ 3.5 mainline crashes on the code below:

$ g++ -c x.cc
x.cc: In constructor `D::D(C<int>)':
x.cc:15: internal compiler error: in cp_expr_size, at cp/cp-lang.c:280
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
$

Environment:
System: Linux karma 2.6.7 #16 Tue Jun 22 21:52:28 EDT 2004 i686 i686 i386 GNU/Linux
Architecture: i686

	<machine, os, target, libraries (multiple lines)>
host: i686-pc-linux-gnu
build: i686-pc-linux-gnu
target: i686-pc-linux-gnu
configured with: /home/sss/gcc/gcc/configure --prefix=/usr/local/gcc --enable-threads=posix --enable-long-long --enable-languages=c,c++,f95

How-To-Repeat:

------------------------------
template <class T>
struct C
{
  C (const C& i);
  C& operator= (const C& i);

};

struct D
{
  D (C<int> it);
  C<int> _it;
};

D::D (C<int> it) : _it (it) {}
------------------------------