re PR fortran/54389 ([F2003/F2008 difference] PURE functions and pointer dummy arguments / DECL_PURE_P issue)

2012-08-28  Tobias Burnus  <burnus@net-b.de>

        PR fortran/54389
        * trans-decl.c (gfc_get_extern_function_decl,
        build_function_decl): Don't mark impure elemental
        functions as DECL_PURE_P and honour implicit_pure.

From-SVN: r190757