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/108957] New: Fortran FE memleak with interfaces
Date: Mon, 27 Feb 2023 22:15:27 +0000	[thread overview]
Message-ID: <bug-108957-4@http.gcc.gnu.org/bugzilla/> (raw)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108957

            Bug ID: 108957
           Summary: Fortran FE memleak with interfaces
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: anlauf at gcc dot gnu.org
  Target Milestone: ---

The frontend leaks memory for the following sample:

module m
  interface
     subroutine s ()
     end
  end interface
end

==7949== 3,176 (2,792 direct, 384 indirect) bytes in 1 blocks are definitely
lost in loss record 160 of 174
==7949==    at 0x4C39571: calloc (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==7949==    by 0x2E5B904: xcalloc (xmalloc.c:164)
==7949==    by 0xC6C174: gfc_get_namespace(gfc_namespace*, int)
(symbol.cc:2875)
==7949==    by 0xC12CB0: parse_interface (parse.cc:3789)
==7949==    by 0xC12CB0: parse_spec(gfc_statement) (parse.cc:4150)
==7949==    by 0xC173D8: parse_module() (parse.cc:6531)
==7949==    by 0xC17851: gfc_parse_file() (parse.cc:6842)
==7949==    by 0xC76E02: gfc_be_parse_file() (f95-lang.cc:229)
==7949==    by 0x14F78AB: compile_file() (toplev.cc:444)
==7949==    by 0x14FA80B: do_compile(bool) (toplev.cc:2125)
==7949==    by 0x14FABD4: toplev::main(int, char**) (toplev.cc:2277)
==7949==    by 0x2D9DE05: main (main.cc:39)

             reply	other threads:[~2023-02-27 22:15 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-27 22:15 anlauf at gcc dot gnu.org [this message]
2023-03-06 18:46 ` [Bug fortran/108957] " mikael at gcc dot gnu.org
2023-03-06 18:55 ` mikael at gcc dot gnu.org
2023-03-08 20:29 ` anlauf at gcc dot gnu.org
2023-09-07 20:20 ` anlauf at gcc dot gnu.org
2023-09-08  8:12 ` mikael at gcc dot gnu.org
2023-09-15 11:43 ` cvs-commit at gcc dot gnu.org
2023-09-15 17:24 ` mikael at gcc dot gnu.org
2023-09-15 17:25 ` mikael 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-108957-4@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).