From mboxrd@z Thu Jan  1 00:00:00 1970
From: Daniel Jacobowitz <drow@mvista.com>
To: nobody@gcc.gnu.org
Cc: gcc-prs@gcc.gnu.org
Subject: Re: c/4053: Filenames in debug info for included files are incorrect
Date: Sat, 18 Aug 2001 14:26:00 -0000
Message-id: <20010818212600.20779.qmail@sourceware.cygnus.com>
X-SW-Source: 2001-08/msg00517.html
List-Id: <gcc-prs.sourceware.org>

The following reply was made to PR c/4053; it has been noted by GNATS.

From: Daniel Jacobowitz <drow@mvista.com>
To: gcc-gnats@gcc.gnu.org
Cc:  
Subject: Re: c/4053: Filenames in debug info for included files are incorrect
Date: Sat, 18 Aug 2001 14:19:24 -0700

 On Fri, Aug 17, 2001 at 11:00:02PM -0000, dan@debian.org wrote:
 > 
 > >Number:         4053
 > >Category:       c
 > >Synopsis:       Filenames in debug info for included files are incorrect
 > >Confidential:   no
 > >Severity:       serious
 > >Priority:       medium
 > >Responsible:    unassigned
 > >State:          open
 > >Class:          sw-bug
 > >Submitter-Id:   net
 > >Arrival-Date:   Fri Aug 17 16:06:00 PDT 2001
 > >Closed-Date:
 > >Last-Modified:
 > >Originator:     dan@debian.org
 > >Release:        gcc 3_0 branch
 > >Organization:
 > >Environment:
 > i686-pc-linux-gnu native, or i686-pc-linux-gnu -> mips-unknown-linux-gnu cross.
 > >Description:
 > Take two files, linetest.h:
 > a = b;
 > c = d;
 > e = f;
 > 
 > and linetest.c:
 > int main()
 > {
 >   int a, b, c, d, e, f;
 >   a = b = c = d = e = f = 0;
 >   
 > #include "linetest.h"
 > 
 >   return 0;
 > }
 > 
 > Compile with debugging.  Notice that the filename is never changed - the
 > three lines from the header have debug info indicating they are the first
 > three lines of linetest.c.
 > 
 > This is a regression from 2.95.x, but not from 3.0 release.  It's independent
 > of debug format - the line notes are wrong.  I'd check HEAD, but
 > it segfaults in _cpp_simplify_pathname because "/usr/local/include" is not
 > writeable today.
 
 The same thing happens on the trunk.  And it is not a preprocessor
 problem (directly at least); #line directives are correct.
 
 -- 
 Daniel Jacobowitz                           Carnegie Mellon University
 MontaVista Software                         Debian GNU/Linux Developer