2010-07-30  Mikael Morin  <mikael@gcc.gnu.org>

	* gfortran.h (gfc_release_symbol): New prototype.
	* symbol.c (gfc_release_symbol): New. Code taken from free_sym_tree.
	(gfc_undo_symbols, free_sym_tree, gfc_free_finalizer):
	Use gfc_release_symbol.
	* parse.c (gfc_fixup_sibling_symbols): Ditto.
	* resolve.c (resolve_symbol): Ditto.

From-SVN: r162719