c-family/ChangeLog
2011-10-11  Tristan Gingold  <gingold@adacore.com>

        * c.opt: (fallow-parameterless-variadic-functions): New.

ChangeLog
2011-10-11  Tristan Gingold  <gingold@adacore.com>

        * doc/invoke.texi (C Dialect Options): Document
        -fallow-parameterless-variadic-functions.
        * c-parser.c (c_parser_parms_list_declarator): Handle it.

testsuite/ChangeLog
2011-10-11  Tristan Gingold  <gingold@adacore.com>

        * gcc.dg/va-arg-4.c: New test.
        * gcc.dg/va-arg-5.c: Ditto.

From-SVN: r179786