public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
From: "anlauf at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/103777] ICE in gfc_simplify_maskl, at fortran/simplify.c:4918
Date: Mon, 20 Dec 2021 21:38:45 +0000	[thread overview]
Message-ID: <bug-103777-4-bEomkfKKUE@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-103777-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103777

--- Comment #3 from anlauf at gcc dot gnu.org ---
Minimal fix (for maskl):

diff --git a/gcc/fortran/simplify.c b/gcc/fortran/simplify.c
index 90067b6bbe6..45080e8b912 100644
--- a/gcc/fortran/simplify.c
+++ b/gcc/fortran/simplify.c
@@ -4909,6 +4909,9 @@ gfc_simplify_maskl (gfc_expr *i, gfc_expr *kind_arg)
   bool fail = gfc_extract_int (i, &arg);
   gcc_assert (!fail);

+  if (!gfc_check_mask (i, kind_arg))
+    return &gfc_bad_expr;
+
   result = gfc_get_constant_expr (BT_INTEGER, kind, &i->where);

   /* MASKL(n) = 2^bit_size - 2^(bit_size - n) */

  parent reply	other threads:[~2021-12-20 21:38 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-20 17:53 [Bug fortran/103777] New: " gscfq@t-online.de
2021-12-20 17:53 ` [Bug fortran/103777] " gscfq@t-online.de
2021-12-20 20:11 ` anlauf at gcc dot gnu.org
2021-12-20 21:38 ` anlauf at gcc dot gnu.org [this message]
2021-12-20 22:05 ` anlauf at gcc dot gnu.org
2022-01-09 21:20 ` cvs-commit at gcc dot gnu.org
2022-01-09 21:30 ` anlauf at gcc dot gnu.org
2022-01-15 21:03 ` cvs-commit at gcc dot gnu.org

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=bug-103777-4-bEomkfKKUE@http.gcc.gnu.org/bugzilla/ \
    --to=gcc-bugzilla@gcc.gnu.org \
    --cc=gcc-bugs@gcc.gnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).