Re: [archer-keiths-expr-cumulative] Symbol scope resolving error

[Sami Wagiaalla <swagiaal at redhat dot com>]

Hi Jan,

I have committed this fix: 3ebbd04cee427232781580ec88e5d1ea854d1012

Sami

Sami Wagiaalla wrote:
> Patch is almost ready :) :
>
> Breakpoint 1 at 0x4005a6: file bz39524.c, line 19.
>
> Breakpoint 1, main () at bz39524.c:19
> 19        if (var != 2)       /* var-is-2 */
> Current language:  auto; currently c++
> $1 = 2
>
> Sami
>
> Jan Kratochvil wrote:
> > Hi,
> >
> > while DWARF from current HEAD or Fedora GCCs is broken:
> >   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39524
> >
> > fixed GCC IMO provides correct DWARF but GDB from
> > archer-keiths-expr-cumulative (tested
> > 35ca449e9f1a4cd477df644f717bbe4e3362c486) still does not resolve it 
> > correctly
> > (see below).
> >
> > Tested GDB with GCC patched by the fix
> >   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39524#c1
> > scratch-built as:
> >   http://koji.fedoraproject.org/scratch/jkratoch/task_1253951/
> >
> >
> > Thanks for the fix,
> > Jan
> >
> >
> > # gdb -q ./outer
> > (gdb) l 1
> > 1       #include <stdlib.h>
> > 2
> > 3       namespace A
> > 4         {
> > 5           static int var = 2;
> > 6         }
> > 7
> > 8       int
> > 9       main (void)
> > 10      {
> > 11        int var = 1;
> > 12      13        if (var != 1)         /* var-is-1 */
> > 14          abort ();
> > 15      16        {
> > 17          using A::var;
> > 18      19          if (var != 2)       /* var-is-2 */
> > 20            abort ();
> > 21        }
> > 22      23        return 0;             /* break-here */
> > 24      }
> > (gdb) b 13
> > Breakpoint 1 at 0x4005a7: file outer.C, line 13.
> > (gdb) r
> > Starting program: /tmp/outer
> > Breakpoint 1, main () at outer.C:13
> > 13        if (var != 1)         /* var-is-1 */
> > (gdb) p var
> > $1 = 1
> > (gdb) adv 19
> > main () at outer.C:19
> > 19          if (var != 2)       /* var-is-2 */
> > (gdb) p var
> > $2 = 1
> > ^^^^^^ Wrong GDB evaluation.
> > (gdb) adv 23
> > main () at outer.C:23
> > 23        return 0;             /* break-here */
> > (gdb) q