re PR libstdc++/17012 ([DR 526] std::list's function, remove, looks like it is reading memory that has been freed.)

2007-02-08  Howard Hinnant  <hhinnant@apple.com>

	PR libstdc++/17012
	* include/bits/list.tcc (list<>::remove): Take care of
	&*__first == &__value.
	* docs/html/ext/howto.html: Add an entry for DR 526.

From-SVN: r121735