Re: warning: RTTI symbol not found for class

[ali_anwar <ali_anwar@codesourcery.com>]

On 11/27/2012 01:45 AM, ali_anwar wrote:
> On 11/27/2012 12:23 AM, Tom Tromey wrote:
>>>>>>> "Ali" == ali anwar<ali_anwar@codesourcery.com> writes:
>>
>> Ali> gdb -q ./cout -ex start -ex s -ex fin -ex c -ex q
>> Ali> [snip]
>> Ali> 2 int main () { std::cout<< "foo"<< std::endl; }
>> Ali> Value returned is $1 = warning: RTTI symbol not found for class
>> Ali> std::ostream'
>>
>> What would be best is a recipe for recreating the bug that does not rely
>> on the system libstdc++ or its debuginfo or lack thereof.
>> Both this short test and the bs15503 test are exposed to the system
>> libraries in this way.
>>
>
> Yes, it seems so. I faced no failure on Ubuntu 12.04 without the change.
> But after the patch I faced the same 5 errors that Jan pointed.

I mean 5 failures/regressions.

> Following addition to the earlier patch removes all the regressions.
>
> --- gdb/dwarf2read.c 26 Nov 2012 15:54:29 -0000 1.714
> +++ gdb/dwarf2read.c 26 Nov 2012 20:43:59 -0000
> @@ -7585,7 +7585,7 @@
> else
> {
> demangled = cplus_demangle (mangled,
> - (DMGL_PARAMS | DMGL_ANSI
> + (DMGL_PARAMS | DMGL_ANSI | DMGL_VERBOSE
>
>
> I will try to recreate the bug without using libstdc++.
>

-Ali