https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93733
--- Comment #11 from Dominique d'Humieres ---
There are two issues:
(1) The standard is not diagnosed at run time.
(2) The standard is not diagnosed at compile time when possible. This is
pr28397.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93733
jvdelisle at charter dot net changed:
What|Removed |Added
CC||jvdelisle at charter dot ne
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93733
--- Comment #9 from Thomas Henlich ---
I think this standard conformity check is only performed at compile-time, and
can only work if the format is defined in a constant.
So, changing the definition to:
character(4), parameter :: fmt="(g0)"
char
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93733
--- Comment #8 from Dominique d'Humieres ---
The problem is deeper than expected. Consider
! { dg-options "-std=f2008" }
program g0d_ilc
character(4) :: fmt="(g0)"
character(6) :: fmt2="(g0.2)"
!F2008:
write(*, fmt) 23
write(*, fmt) .t
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93733
--- Comment #7 from Thomas Henlich ---
(In reply to Dominique d'Humieres from comment #6)
> > Please explain, what valid code according to Fortran 2008 does -std=f2008
> > reject?
>
> FAIL: gfortran.dg/fmt_g0_4.f08 -O (test for excess errors
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93733
--- Comment #6 from Dominique d'Humieres ---
> Please explain, what valid code according to Fortran 2008 does -std=f2008
> reject?
FAIL: gfortran.dg/fmt_g0_4.f08 -O (test for excess errors)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93733
--- Comment #5 from Thomas Henlich ---
(In reply to Dominique d'Humieres from comment #4)
> But reject valid too! AFAIU this cannot captured ay the format level.
Please explain, what valid code according to Fortran 2008 does -std=f2008
reject?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93733
--- Comment #4 from Dominique d'Humieres ---
> Agreed, that should fix the bug.
But reject valid too! AFAIU this cannot captured ay the format level.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93733
--- Comment #3 from Thomas Henlich ---
(In reply to Dominique d'Humieres from comment #2)
> Does it look good?
Agreed, that should fix the bug.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93733
--- Comment #2 from Dominique d'Humieres ---
With
--- ../_clean/gcc/fortran/io.c 2020-07-01 18:25:56.0 +0200
+++ gcc/fortran/io.c2020-07-14 11:06:50.0 +0200
@@ -894,7 +894,13 @@ data_desc:
&for
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93733
Dominique d'Humieres changed:
What|Removed |Added
Ever confirmed|0 |1
Status|UNCONFIRMED
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