public inbox for gcc-prs@sourceware.org
help / color / mirror / Atom feed
From: s0009525@chelt.ac.uk
To: gcc-gnats@gcc.gnu.org
Subject: preprocessor/4923: Concatenation appears to handle whitespace incorrectly
Date: Fri, 16 Nov 2001 23:46:00 -0000	[thread overview]
Message-ID: <20011121163006.4447.qmail@sourceware.cygnus.com> (raw)


>Number:         4923
>Category:       preprocessor
>Synopsis:       Concatenation appears to handle whitespace incorrectly
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Nov 21 08:36:01 PST 2001
>Closed-Date:
>Last-Modified:
>Originator:     s0009525@chelt.ac.uk
>Release:        gcc version 2.95.2 20000220
>Organization:
>Environment:
(Debian) Linux 2.4.12-shells1 i686
>Description:
With the ## operator, if one of the arguments is a macro function, the whitespace around the arguments is not eaten, which is contrary to the GNU cpp documentation.
>How-To-Repeat:
/* test.h */

#define FOO(x) x
#define BAR    FOO(abc) ## def
BAR

/* cpp < test.h */

# 1 ""
 abc  def
>Fix:
None Found.
>Release-Note:
>Audit-Trail:
>Unformatted:


             reply	other threads:[~2001-11-21 16:36 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-11-16 23:46 s0009525 [this message]
2001-11-16 23:56 Zack Weinberg
2001-11-17  0:44 rodrigc
2001-11-17  0:46 rodrigc
2001-11-18 16:50 Baum, Nathan I
2001-11-19 20:27 'Zack Weinberg'
2001-11-19 20:32 Baum, Nathan I
2001-11-19 20:36 'Zack Weinberg'

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=20011121163006.4447.qmail@sourceware.cygnus.com \
    --to=s0009525@chelt.ac.uk \
    --cc=gcc-gnats@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).