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

Sami Wagiaalla swagiaal@redhat.com
Fri Mar 27 19:33:00 GMT 2009


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
> 



More information about the Archer mailing list