[PATCH] Fortran: force error on bad KIND specifier [PR88552]

[Mikael Morin]

Hello,

Le 01/06/2023 à 21:05, Harald Anlauf via Fortran a écrit :
> Dear all,
> 
> we sometimes silently accept wrong declarations with unbalanced
> parentheses, as the PR and testcases therein show.
> 
> It appears that the fix is obvious: use the existing error paths in
> gfc_match_kind_spec and error return from gfc_match_decl_type_spec.
> I'm still posting it here in case I have missed something not so
> obvious.
> 
> The patch regtests cleanly on x86_64-pc-linux-gnu.  OK for mainline?
> 
It looks good, but...

> Thanks,
> Harald
> 
> From a30ff5af130c4d33c086fd136978d5f49cb8bde4 Mon Sep 17 00:00:00 2001
> From: Harald Anlauf <anlauf@gmx.de>
> Date: Thu, 1 Jun 2023 20:56:11 +0200
> Subject: [PATCH] Fortran: force error on bad KIND specifier [PR88552]
> 
> gcc/fortran/ChangeLog:
> 
> 	PR fortran/88552
> 	* decl.cc (gfc_match_kind_spec): Use error path on missing right
> 	parenthesis.
> 	(gfc_match_decl_type_spec): Use error return when an error occurred
> 	during matching a KIND specifier.
> 
> gcc/testsuite/ChangeLog:
> 
> 	PR fortran/88552
> 	* gfortran.dg/pr88552.f90: New test.
> ---
>  gcc/fortran/decl.cc                   | 4 ++++
>  gcc/testsuite/gfortran.dg/pr88552.f90 | 6 ++++++
>  2 files changed, 10 insertions(+)
>  create mode 100644 gcc/testsuite/gfortran.dg/pr88552.f90
> 
> diff --git a/gcc/fortran/decl.cc b/gcc/fortran/decl.cc
> index 1de2b231242..deb20647fb9 100644
> --- a/gcc/fortran/decl.cc
> +++ b/gcc/fortran/decl.cc
> @@ -3366,6 +3366,7 @@ close_brackets:
>        else
>  	gfc_error ("Missing right parenthesis at %C");
>        m = MATCH_ERROR;
> +      goto no_match;
>      }
>    else
>       /* All tests passed.  */
> @@ -4716,6 +4717,9 @@ get_kind:
>        return MATCH_ERROR;
>      }
> 
> +  if (m == MATCH_ERROR)
> +    return MATCH_ERROR;
> +
... can you move this up to the place where m is set?
OK with that change.

Thanks