From: Mikael Morin <morin-mikael@orange.fr>
To: Harald Anlauf <anlauf@gmx.de>
Cc: gcc-patches <gcc-patches@gcc.gnu.org>, fortran <fortran@gcc.gnu.org>
Subject: Re: [PATCH, v2] Fortran: error recovery for invalid types in array constructors [PR107000]
Date: Fri, 7 Oct 2022 21:47:15 +0200 [thread overview]
Message-ID: <30b93c16-9be9-d2b1-b6c8-c34f4ab8cfff@orange.fr> (raw)
In-Reply-To: <05f415c0-80bc-c04e-a142-1251bf82bb1d@gmx.de>
Le 07/10/2022 à 20:46, Harald Anlauf a écrit :
>
> OK, that is because reduce_binary dispatches the reduce_binary_*.
> We could move the check from reduce_binary_aa to the beginning of
> reduce_binary, as with the following change on top of the patch:
>
> diff --git a/gcc/fortran/arith.cc b/gcc/fortran/arith.cc
> index 2c57c796270..91e70655ad3 100644
> --- a/gcc/fortran/arith.cc
> +++ b/gcc/fortran/arith.cc
> @@ -1426,10 +1426,6 @@ reduce_binary_aa (arith (*eval) (gfc_expr *,
> gfc_expr *, gfc_expr **),
> if (!gfc_check_conformance (op1, op2, _("elemental binary operation")))
> return ARITH_INCOMMENSURATE;
>
> - if ((op1->expr_type == EXPR_OP && op1->ts.type == BT_UNKNOWN)
> - || (op2->expr_type == EXPR_OP && op2->ts.type == BT_UNKNOWN))
> - return ARITH_INVALID_TYPE;
> -
> head = gfc_constructor_copy (op1->value.constructor);
> for (c = gfc_constructor_first (head),
> d = gfc_constructor_first (op2->value.constructor);
> @@ -1467,6 +1463,10 @@ static arith
> reduce_binary (arith (*eval) (gfc_expr *, gfc_expr *, gfc_expr **),
> gfc_expr *op1, gfc_expr *op2, gfc_expr **result)
> {
> + if ((op1->expr_type == EXPR_OP && op1->ts.type == BT_UNKNOWN)
> + || (op2->expr_type == EXPR_OP && op2->ts.type == BT_UNKNOWN))
> + return ARITH_INVALID_TYPE;
> +
> if (op1->expr_type == EXPR_CONSTANT && op2->expr_type == EXPR_CONSTANT)
> return eval (op1, op2, result);
>
> However, we cannot remove the checks from reduce_binary_ac
> or reduce_binary_ca, as the lengthy testcase proves...
>
> Do you like the above better?
>
Yes, definitely, but some less important weirdness remains;
the scalar vs array function catches scalar vs invalid scalar cases.
Let me have a look.
next prev parent reply other threads:[~2022-10-07 19:47 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-04 21:19 [PATCH] " Harald Anlauf
2022-10-05 8:51 ` Mikael Morin
2022-10-05 9:23 ` Mikael Morin
2022-10-05 21:40 ` [PATCH, v2] " Harald Anlauf
2022-10-06 20:14 ` Mikael Morin
2022-10-06 21:36 ` Harald Anlauf
2022-10-07 8:01 ` Mikael Morin
2022-10-07 18:46 ` Harald Anlauf
2022-10-07 19:47 ` Mikael Morin [this message]
2022-10-07 20:26 ` [PATCH, v3] " Mikael Morin
2022-10-07 21:41 ` Harald Anlauf
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