backport: re PR libfortran/59771 (Cleanup handling of Gw.0 and Gw.0Ee format)

backport: re PR libfortran/59771 (Cleanup handling of Gw.0 and Gw.0Ee format)

2014-02-15  Jerry DeLisle  <jvdelisle@gcc.gnu>
	    Dominique d'Humieres  <dominiq@lps.ens.fr>

	Backport from mainline
	PR libfortran/59771
	PR libfortran/59774
	PR libfortran/59836
	* io/write_float.def (output_float): Fix wrong handling of the
	Fw.0 format.
	(output_float_FMT_G_): Fixes rounding issues with -m32.

Co-Authored-By: Dominique d'Humieres <dominiq@lps.ens.fr>
From-SVN: r207803