[Bug c++/33871] [4.3 Regression] typeinfo name referenced in ... defined in discarded section

["geoffk at geoffk dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #32 from geoffk at geoffk dot org  2007-11-05 00:14 -------
Subject: Re:  [4.3 Regression] typeinfo name referenced in ... defined in
discarded section


On 04/11/2007, at 6:40 AM, hjl at lucon dot org wrote:

> ------- Comment #31 from hjl at lucon dot org  2007-11-04 14:40  
> -------
> (In reply to comment #30)
>> Subject: Re:  [4.3 Regression] typeinfo name referenced in ...  
>> defined in
>> discarded section
>>
>> On 03/11/2007, at 7:21 AM, hjl at lucon dot org wrote:
>>
>>> Local symbols should only be referenced within the same comdat group
>>> or the linkonce section. Otherwise, it is a compiler bug.
>>
>> How do you represent, in ELF, a string which should be present in the
>> executable only once, but which need not have a globally visible  
>> name?
>>
>
> You can put it in a comdat group. But you should only reference it  
> from the
> same comdat group. A comdat group is a set of sections which have the
> same signature.

What if you want to reference this string from somewhere that should  
never be discarded, like a global variable?


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33871