re PR fortran/35259 (-fassociative-math not enabled by default;  No option to associate with PAREN_EXPRs)

2010-02-21  Tobias Burnus  <burnus@net-b.de>

        PR fortran/35259
        * doc/invoke.texi (-fassociative-math): Document that this
        option is automatically enabled for Fortran.

2010-02-21  Tobias Burnus  <burnus@net-b.de>

        PR fortran/35259
        * gfortran.h (gfc_option_t): New flag -fprotect-parens.
        * lang.opt: Ditto.
        * option.c (gfc_init_options,gfc_handle_option): Ditto.
        * trans-expr.c (gfc_conv_expr_op): Use the flag.
        * invoke.texi: Document new -fno-protect-parens flag.

2010-02-21  Tobias Burnus  <burnus@net-b.de>

        PR fortran/35259
        * gfortran.dg/reassoc_5.f90: New test.

From-SVN: r156937