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From: "kargl at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/103413] [10/11/12 Regression] ICE: Invalid expression
 in gfc_element_size
Date: Wed, 24 Nov 2021 23:21:40 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103413

--- Comment #2 from kargl at gcc dot gnu.org ---
(In reply to kargl from comment #1)
> diff --git a/gcc/fortran/match.c b/gcc/fortran/match.c
> index 2bf21434a42..971c2fa1dd6 100644
> --- a/gcc/fortran/match.c
> +++ b/gcc/fortran/match.c
> @@ -4447,6 +4447,15 @@ alloc_opt_list:
>  	      goto cleanup;
>  	    }
>=20=20
> +	  /* A BOZ cannot be a source expression.  */
> +	  if (ts.type !=3D BT_BOZ)

Got the logic backwards here!  Should be ts.type =3D=3D BT_BOZ.

> +	    {
> +	      gfc_error ("boz-literal-constant cannot be a source expression "
> +			 "at %L", &tmp->where);
> +	      goto cleanup;
> +	    }
> +
> +
>  	  /* The next 2 conditionals check C631.  */
>  	  if (ts.type !=3D BT_UNKNOWN)
>  	    {
> @@ -4484,6 +4493,14 @@ alloc_opt_list:
>  	      goto cleanup;
>  	    }
>=20=20
> +	  /* A BOZ cannot be a source expression.  */
> +	  if (ts.type !=3D BT_BOZ)

Ditto.

> +	    {
> +	      gfc_error ("boz-literal-constant cannot be a mode expression "
> +			 "at %L", &tmp->where);
> +	      goto cleanup;
> +	    }
> +
>  	  /* Check F08:C637.  */
>  	  if (ts.type !=3D BT_UNKNOWN)
>  	    {=