stl_tree.h (_Rb_tree<>::_M_insert): Don't leak memory if _M_key_compare throws.

2005-02-26  Earl Chew  <earl_chew@agilent.com>
	    Christopher Jefferson  <chris@bubblescope.net>

	* include/bits/stl_tree.h (_Rb_tree<>::_M_insert): Don't leak
	memory if _M_key_compare throws.

Co-Authored-By: Chris Jefferson <chris@bubblescope.net>

From-SVN: r95597