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From: "dominiq at lps dot ens.fr" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libfortran/93592] Invalid UP/DOWN rounding with EN descriptor
Date: Sun, 19 Jul 2020 20:50:12 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D93592

--- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
--- ../_clean/libgfortran/io/write_float.def    2020-06-13 03:11:55.0000000=
00
+0200
+++ libgfortran/io/write_float.def      2020-07-19 22:46:57.000000000 +0200
@@ -399,7 +399,7 @@ build_float_string (st_parameter_dt *dtp
   updown:

   rchar =3D '0';
-  if (ft !=3D FMT_F && w > 0 && d =3D=3D 0 && p =3D=3D 0)
+  if (ft !=3D FMT_F && ft !=3DFMT_EN && w > 0 && d =3D=3D 0 && p =3D=3D 0)
     nbefore =3D 1;
   /* Scan for trailing zeros to see if we really need to round it.  */
   for(i =3D nbefore + nafter; i < ndigits; i++)

should do the trick. I am currently try to reuse gfortran.dg/fmt_en.f90 for=
 a
more general testing.=