Re: c++/1520: [regression] namespace.exp, gcc HEAD, dwarf-2

[David Carlton <carlton at kealia dot com>]

The following reply was made to PR c++/1520; it has been noted by GNATS.

From: David Carlton <carlton@kealia.com>
To: mec.gnu@mindspring.com
Cc: gdb@sources.redhat.com, gdb-gnats@sources.redhat.com
Subject: Re: c++/1520: [regression] namespace.exp, gcc HEAD, dwarf-2
Date: Mon, 19 Jan 2004 10:32:59 -0800

 On 19 Jan 2004 05:17:46 -0000, mec.gnu@mindspring.com said:
 
 > Build gdb.cp/namespace with gcc HEAD -gdwarf-2.  I used both gcc
 > HEAD 2004-01-08 and gcc HEAD 2004-01-15, so it wasn't a recent
 > change in gdb.
 
 "in gcc", presumably.
 
 > Then go into gdb.  break on C::D::marker2 and run there.  Then do
 > these commands:
 
 >   (gdb) print c
 >   (gdb) print cc
 >   (gdb) print 'C::cc'
 >   (gdb) print C::cc
 >   (gdb) print cd
 >   (gdb) print C::D::cd
 >   (gdb) print 'E::cde'
 >   (gdb) print E::cde
 >   (gdb) print shadow
 >   (gdb) print E::ce
 >   (gdb) ptype C
 >   (gdb) ptype E
 
 > gdb 6.0 can resolve some of these names, but gdb HEAD fails on all
 > of them.  This is with the same executable built with gcc HEAD.
 
 That's really not good.  It must mean that gcc HEAD is generating
 DW_TAG_namespace in a different way than the patched gcc that I had
 been using.  I don't know if it's a bug in gcc or a bug in my code;
 I'm building gcc HEAD as we speak...
 
 David Carlton
 carlton@kealia.com