fortran/
	* match.c (gfc_match_return): Only require space after keyword when
	it is obligatory.  Only give stdwarn to after matching is successful.
	* dump-parse-tree.c (gfc_show_symbol): Deal with alternate returns.
testsuite/
	* gfortran.dg/return_1.f90: New test.

From-SVN: r99467