2011-11-08  Jing Yu  <jingyu@google.com>

	* cp-demangle.c: Remove #include of ansidecl.h and libiberty.h
	* demangle.h: Remove #include of libiberty.h
	* test.c: Add unit test for __cxa_demangle

2011-11-08  Jing Yu  <jingyu@google.com>
	* cp-demangle.c: Copy from FSF branches/google/gcc-4_6/libiberty
	* demangle.h: Likewise
	* cp-demangle.h: Likewise
	* COPYING.LIB: Likewise
	* COPYING: Likewise