2010-08-02  Mikael Morin  <mikael@gcc.gnu.org>
	    Janus Weil  <janus@gcc.gnu.org>

	PR fortran/42051
	PR fortran/44064
	PR fortran/45151
	* intrinsic.c (gfc_get_intrinsic_sub_symbol): Commit changed symbol. 
	* symbol.c (gen_cptr_param, gen_fptr_param, gen_shape_param,
	gfc_copy_formal_args, gfc_copy_formal_args_intr,
	gfc_copy_formal_args_ppc, generate_isocbinding_symbol): Ditto.
	* parse.c (parse_derived_contains, parse_spec, parse_progunit): 
	Call reject_statement in case of error. 
	(match_deferred_characteritics): Call gfc_undo_symbols in case match
	fails.


Co-Authored-By: Janus Weil <janus@gcc.gnu.org>

From-SVN: r162821